Hp 403B User Manual

HP Archive

This vintage Hewlett Packard document was

preserved and distributed by

www.hparchive.com

Please

Scanned by on-line curator: Tony Gerbic

** For FREE Distribution Only ***

visit

us

on the web !

OPERATING

AND

SERVICE

MANUAL

AC

VOLTMETER

4038

,.S"tIS

i I f I

J /

0

ON

un

lUT

CI.VIlI,,'

FUNCTION

0"

INPUT

HEWLETT~PACKARD

=

HEWLETT

The

Hewlett-Packard
thoroughly tested
specifications when it
Packard
ments
the

Company

are

traceable

extent allowed

and

further certifies that its calibration

iI

CE

RTIFICATION

Company

inspected

was

shipped

to

the

U.S.

by

the

Bureau's calibration facility.

PACKARD

certifies that

and

found

from

National Bureau of Standards

the

this

to

meet its

factory.

instrument

published

The

Hewlett-

measure-

was

to

WARRANTY

All

Hewlett-Packard products
materials and workmanship. This
from .tne
nents listed
will repairorreplace products which prove tobedefective during
the
Packard.
liable for consequential damages.

Service contracts
for Hewlett-Packard products
pair

For
Service Office. Addresses

dateofdelivery, or,inthe case of certain major compo-

in

the operating manual, for the specified period.

warranty

on-site.

any assistance, contact your nearest Hewlett-Packard Sales and

No

period

other

provided

warrantyisexpressed

or

customer assistance agreements

AND

are

providedatthe back of this manual.

ASSISTANCE

are

warranted against defects

they

that

warranty

are

require

applies for one year

returned

or

implied.

maintenance

to

We

are

We

Hewlett-

are

not

available

and re-

in

OPERATING

-hp-

AND

SERVICE

Part No. 00403-90010

MANUAL

MODEL

AC

VOLTMETER

Serials Prefixed: 0986A

If

other
quire modification
manual, the changes will
appear in Appendix C or

in an associated "Manual

Changes" supplement.

4038

serial prefixes re-

of

this

Copyright Hewlett-Packard Company 1962

301,

P. O. Box

Loveland, Colorado, 80537 U.

S.A.

Printed: January 1973

Mode1403B

Table

of Contents

Section
I GENERAL INFORMATION

1-1.
1-5.

1-7.

Description.
Instrument

Identification.

Accessories

: . . . .

and Manual

• . . .

Available.

Section

II INSTALLATION

2-1.

Inspection

2-4.

Power

2-6.

Installation

2-8.

Repackaging

.•....

.•..•..

Requirements

For

Shipment.

Section

ill

OPERATING INSTRUCTIONS
3

-1.
3-3.
3-5.
3-7.
3-9.
3

-11.
3-13.
3-18.
3-21.
3-24.
3-27.

3-28.

Introduction
Front
Operating
Battery
Instrument
Input

Protection
Voltage
Waveform

Decibel
Impedance

Current

Clip

. . . . . .

Panel

Description.

Procedure.

Charging

Temperature

Measurements

Errors

Measurements

Correction

Measurements

-On

Probe.

Information.

. • . .

Section
IV THEORYOFOPERATION

4-1.
4-3.
4-6.
4-11.
4-20.
4-25.

Introduction

Preliminary

Input

Circuit.

Intermediate
Meter

Power

Attenuator

Rectifier

Supply

.•....

• • . . .

Attenuator

Circuit

...•..•.

..

..••.

.

.

. . .

Limits

Graph

. . . .

. . . . .

..

.
.•

TABLE

..

.
.
.

Page

1-1
1-1

1-1
1-1

Page

2-1
2-1
2-1
2-1
2-1

Page

3-1
3-1
3-1
3-1
3-1
3-1
3-1
3-1
3-1
3-4
3-4
3-4
3-4

Page

4-1
4-1
4-1
4-1
4-2
4-2
4-3

OF

CONTENTS

Section
V MAINTENANCE .

5-1.

Introduction

5-6.

Test
5-8.
5-10.
5-12.
5-13.

Instruments

Meter,

Performance

Calibration
Frequency

Mechanical

5-16. Noise Check .
5-17.
5-18.

Input

Adjustment

Resistance

Procedures.
5-20.
5-21.
5-23.
5-24.
5-25.
5-26.
5-27.
5-29.
5-30.
5-31.
5-33.
5-35.
5-37.

Power

Supply

Input

Resistance
Overload
Calibration
High

Frequency

30-

Volt
Troubleshooting
Repair

..•.............

Cabinet
Servicing

Transistor
Function
Fluorescent

Section
VI REPLACEABLE PARTS

6-1.

Introduction.......

6-4.
6-6.

Ordering

Non-Listed

Information.

Appendix

OF

A CODE LIST
B SALES

AND

MANUFACTURERS

SERVICE

C MANUAL BACKDATING CHANGES

Required.

Checks

Checks .

Response

Check

and

Calibration

. . . . . . . .

Adjustment

.....

Check. . .

and

Tracking.

Response

Response

. . . . . . . . . .

Removal

Etched

Circuit

Replacement

Switch

Repair

Indicator

..

Parts

...

OFFICES

.

Zero.

.

Checks.

..

Calibration

Boards

Decal.

.

Page

5-1

5-1
5-1

5-1
5-2
5-2
5-2

5-3

5-3
5-3

5-3
5-4
5-4
5-4
5-5

.

5-5
5-5

-

5-6

.

5-6
5-6
5-7

.

5-7

.

5-7

Page

6-1
6-1
6-1
6-1

Number
1-1.

Specifications.

1-2.

Accessories

3-1.

EffectofHarmonics

Voltage

3-2.

Examples

5-1.

Test

Instruments

. . . . . • . . . . . .

Available

on Model 403B

Measurements

of Voltage andDBMeasurements.

Required

Number
1-1.

Model 403B

Voltmeter.

3-1.

Front

3-2.

Voltage

3-3.

Model403Blmpedance

4-1.

Model403BFunctionaiBIockDiagram

4-2.

Input

4-3.

Diode

4-4.

Fixed

4-5.

Meter

Transistorized

• . . . . . . . . . . . . .

Panel

Description

Measurements.

Amplifier.

Current

Vs Diode Voltage

Amplifier

Rectifier,

. . • . • . . . . .

Block

Simplified

.•...••..

•.••••.

.....•..•

LIST

AC

....•.....

. . . • . . . . . . 3-3

Correction

Graph..3-5

.•.

..

Diagram.

Diagram

. . .

...

LIST

OF

Page

.

1-1

.•

1-2
3-4

3-4
5-1

OF

ILLUSTRATIONS

Page

1-0
3-2

4-0

.

4-1
4-2
4-2

4-3

TABLES

Number
5-2.
5-3.
5-4.
5-5.
6-1.
6-2.

Number
4-6.
5-1.
5-2.
5-3.
5-4.
5-5.
5-6.
5

-7.
5-8.
6-1.

Calibration
Troubleshooting.
Test
Transistor
Replaceable
Mechanical

Meter
Model 403B

Check

Procedure

Replacement.

Parts.

Parts

Rectifier

Top

Table.

. . . . . . . . .

Troublesliooting .

Circuit.

View.
Model 403B Bottom View
Overload
Performance
Frequency
Range SWitch
Function
Schematic

Check Setup . . . •

Check
Detail

Detail.

Setup.

Setup

. . .

Response

Switch

Diagram

Exploded View .

. . . . . .

••••.

.

•

. • •

. . .

Page

5-2

5-6
5-6
5-7

6-2
6-5

Page

4-3
5-0
5-2
5-4
5-4
5-5

••

5-8
5-9/5-10
5-9/5-10

..

6-7

iii

Section

I

8

J

I

~

,

I

OECI8HS

r

1

./

:x

I

,

~/

"HI

\.\

\

\

'>'

-s

\

,\\;)

'''1100

Model403B

Model

403B

standard

Ac

Voltmeter

RANGE

VOLn

oe

Model 403B

Option 01

Ac

Voltmeter

1-0

Figure

1-1.

Model 403B

Ac

Voltmeter

Model403B

Section I

GENERAL

1-1.

DESCRIPTION.

1-2.

The

-hp­meterisa
rms

valuesofac

The

instrument

300

volts

The

Model 403B

scaleinvolts

faceiscalibrated
403B and 403B Option 01

specifications
1-3.

The
batteries.
tained

battery

volts

ac.

1-5.

INSTRUMENT
IDENTIFICATION.

1-6.

Hewlett-Packard
ber.Ifthe
numberonyour

RANGE:

O.

001to300

1, 3,

FREQUENCY RANGE:

5 Hz

ACCURACY:

%of

MODEL 403B ACCURACY SPECIFICATION

Frequency

10Hzto

5to10

and

1to2 MHz

MODEL 403B OPTION
CATION

Frequency

10Hzto

Model 403B

general

(-72

Model403B

The

10

to

Full

purpose

voltagesinthe

has

full-scale

dBmto+52dBm)ina

meter

(rms);

with

are

giveninTable

instrument

charger

first

section

instrument

volts

sequence.

2 MHz

Scale.

1 MHz

Hz

1 MHz

Transistorized

instrument

ranges

faceiscalibrated

the

Model 403B Option01meter

the

upper

are

showninFigure

operates

AND

usesatwo-section

rms

from

also

which

operateson115or230

MANUAL

(serial

does

full

o

to

50

±2%

±5%

01

ACCURACY

o

to

50

±0.2

dB

that

5Hzto2 MHz

from

1,3,10

scaleindB.

1-1.

Nickel

includesaself-con-

prefix)ofthe

not

agree

scale

(12

0

C o

0

C o

AC

measures

range.

1 mV

sequence.

with

the

Models
1-1,

Cadmium

serial

serial

with

Table

ranges)

to

-20oC
±8%

±8%

SPECIFI-

o

to

-20

±0.7

dB

SECTION

INFORMATION

on

Volt-

to

upper

and

num­those

1-1.

in a

plied
tween

in
ter
letter
was

1-7.

1-8.
the

1-9.
accessories
accessories.

Specifications

NOMINAL INPUT IMPEDANCE:

OVERLOAD PROTECTION:

DC

POWER SUPPLY:

TEMPERATURE

c

DIMENSIONS:

I

the

title

page of

with

the

your

this

separating

indicates

manufactured.

ACCESSORIES

To

following

a.

b.

c.

Table

2

megohms;
toO.03-volt
300-volt

Fuse

ISOLATION:
Signal
chassis.

rechargeable

4

operation
to

500

20,000

tained

mentisoperated

48to440 Hz, <3

o

-20

5-1/8

manual

instrument

manual.

C

the

increase

accessories

-hp-

Model 11005A Line

former.

-hp-

Model 11039A

Divider.

-hp-

Model 10111A

Adapter.

1-2

provides

mentioned

shunted
ranges,

ranges.

protected:

ground

per

recharging

hours).

and

functions

to

+50oC.

in. wide,

this

manual,

will

define

and

the

Some

serial

two

the

countryinwhich

AVAILABLE.

the

usefulnessofyour

aboveaswellasother

maybe±500 Vdc

batteries

recharge

cycles

Recharging

automatically

fromacline

watts).

RANGE:

6-3/32

Model 403B

numbers

sectionsofthe

are

available:

Capacitive

BNC-To-Binding

information

by <60pFonO.

< 30

pF

(furnished).

(20

hoursat-200C), up

(expected

circuitisself-con-

in. high, 8 in.

change
the

differences

may

number.

the

Bridging

Voltage

and

onO.1-volt

(115or230V

001-volt

from

battery

when

sheets

instrument,

deep.

sup-

described

have a
instrument

Trans-

Post

useofthe

useful

to

external

40-hour

life

of

instru-

±10%

This

be-

let-

5

to10Hz

and

1to2 MHz

METER:

Individually

average
in

the

rms

calibrated,

value

value

of input

of a

±0.4

dB

taut

waveform

sine

wave.

±0.7

band.

Responds

andiscalibrated

dB

ACCESSORIES AVAILABLE:

-hp-

11002A
plugtoalligator
5 ft. long,

to

clip.

ACCESSORY FURNISHED:

Detachable

Test

dual

power

Leads,

clips.

banana

cord.

5

ft.

long,

-hp-

11003A

plugtoprobe

dual

Test
and

banana

Leads,

alligator

1-1

Section

I

Table

1-2.

Accessories

Available

Model403B

Model No.

11002A
11003A

1l01lA
1l005A

1l039A

456A

11004A

Test

Leads

Adapter
Line

Bridging

Provides

to

unbalanced

measurements

Capacitive

(Division

Current

AC

1

mY/rnA

Line

Matching
Provides
input
put

for

lines.

Use

Transformer

balanced

Voltage

ratio:

600

600-ohm

on

balanced

Divider

1000:1)

-ohm
output

lines.

Probe

±1%at1 kHz

Transformer

to

balanced

600

ohm

135or600

unbalanced

measurementsonbalanced

input

for

ohm

out-

Dual

Banana

Dual

Banana

Binding

Terminating

Frequency
Power

PlugtoAlligator
PlugtoProbe

PosttoBNC

Resistance:

Range: 20 Hzto45 kHz

Handling

Capacity:

Accuracy:

Capacity:

Input
Max. Voltage Rating:

22 kV, 1 MHz 20 kV,

Resistance

<

50

milliohms

Terminating

Frequency
Power

Resistance:

Range:

Handling

Capacity:22dBm

Features

and

600or10Kohms

+15

±3%
15pF± 1

60

10

Max.

Current

1

amp

rms

1. 5

amp

600or10Kohms
5 kHz

Clips

Alligator

dBm

Clip

(4.5Vinto

600n)

pF

Hz 25 kV, 100 kHz

MHz15kV, 20 MHz 7 kV

Accuracy

±2%

peak

100 Hzto3 MHz

to

600 kHz

(10 V into 600

n)

1-2

Model403B

section

II

2-1.

INSPECTION.

2-2.

Unpack

it

for

panel

knobs

file a

claim

pageonthe

2-3.

An

soonaspossible

inspection,

tionV,Paragraph

2-4.

2-5.

Theacpower
current
ment

can

Hz,

source.Aswitch

the

instrument

volt

modesofoperation.'

the

signsofphysical

etc.Ifthereisany

with

back

electrical

performance

POWER

tothe

Nickel-Cadmium

be connectedtoa

allows

WHEN THE 403B IS USED WITHOUT
THE POWER CORD, THERE
GROUND RETURN.
TO AVOID

instrument

the

carrier

sideofthe

inspection

after

5-10.

REQUIREMENTS.

circuit

I

WARNING

ELECTRICAL

upon

damage

and

refertothe

front

coverofthis

shouldbeperformed

receipt.

checks

which

batteriesinthe

115-or230-

locatedonthe

the

usertoselect

USE

SECTION

INSTALLATION

receipt

suchasscratched

apparent

To

are

and

inspect

damage,

warranty

manual.

aid in

electrical

includedinsec-

provides

rear

charging

instru-

volt, 48 - 440·

panel

115-or230-

I

IS

NO

CAUTION

SHOCK.

II

2-8.

REPACKAGING

------NOTE

If

the

instrumentistobeshipped
Hewlett-Packard
pair,

attachatagtothe
identifying

the

as

2

-9.

The

for

shipment.Ifyouhaveany

local

of

-hp-

for

office

a.

If

original containerisnot

b.

c.

serviceorrepairtobe
plished;
and full
ment.Inany

tify

the

instrument

serial

number

prefix.

followingisa

Sales

and

locations.)

Place

instrumentinoriginal

able.Iforiginal containerisnot

one

canbepurchased

Sales

and

Wrap

instrument

fore

placinginan

Use

plenty of packing

of

instrument

board

strips.

FOR

the

owner

include

serial

number

correspondence,

and

general

service

service

in heavy

and

protect

SHIPMENT.

-----

for

serviceorre-

and indicating

the

model

ofthe

by model

serial

guide

questions,

Office.

from

your

Office.
used,

inner

container.

material

panel

to

instrument

accom­number

instru-

iden-

number,

number

for

repacking

contact

(see

Appendix B

containerifavail-

available,

nearest

paperorplastic

around

faces

-hp-

all

with

your

be-

sides

card-

2-6.

INSTALLATION.

2-7.

The

-hp­thereforenospecial
the

instrument

bient

temperature

Model 403Bisfully

should notbeoperated

coolingisrequired.

exceeds

500C (1310F).

transistorized;

However,

where

the

am-

d.

Place

instrument
cartonorwooden box and
tapeormetal

e.

Mark
strument,

shipping

bands.

"

"Fra~ile"

and

inner

container

etc.

container

seal

with

'Delicate

with

ina heavy
strong

In-

2-1

Model403B

section

ill

3-1.

INTRODUCTION.

3-2.

This
from
afterashort
60

seconds

3-3.

voltmeterisready

the

factory

warm-up

warm-up

FRONT

PANEL

and will give

period.

for

optimum

DESCRIPTION.

3-4.Adescriptionoffront
Figure

3-1.

The

that

accompanies

3-5.

OPERATING

3-6.

The

given in
photo

3-7.

3-8.
This

whenever

cord

Figure

that

BATTERY

The

instrumentiscontinually

the

connectedtoa 115or230 volt
eventofcomplete
after

twenty

descriptions
the

figure.

PROCEDURE.

operating
accompanies

403B

procedure

3-2.

Instructions

the

CHARGING

hasaself-contained

FUNCTION

discharge,

minutesofrecharging
connectedtoanacsource.
approximately60hours
when

the

charged.

Nickel Cadmium

(RefertoSection IV,

(depending on

THE FOUR NICKEL CADMIUM
TERIES

IN THE

-HP-

HERMETICALLY-SEALED CONTAIN-

ERS. UNDER
(ABOVE

HIGH

500C), HYDROGEN IN THE

HERMETICALLY -SEALED BATTERY

CONTAINER

CAN
PRESSURE, CAUSING DAMAGE TO THE
BATTERIES AND/OR INSTRUMENT.
(REFERTOSECTION IV, PAGE

3-9.

INSTRUMENT

3-10.

This

tations.

for

safe

o

+50
quite
limits
Internal

instrument

The

designofthis

and

C

stable

(-4to+1310F).

adequate

for

in mind when

temperatures
easytoobtainifthe
if

the

air

temperatureisquite

TEMPERATURE

has

operation

This

most

users;

operating

in

instrumentisleftinthe

practiceistobecertain
storedoroperatedindirect
sibilityofreduced

performance.

OPERATING INSTRUCTIONS

for

use

specified

Allow

panel

are

for

figure.

INFORMATION.

charging

switchisON

the

Complete

cells

are
Paragraph

403B ARE IN

TEMPERATURES

BUIlDUPTO LARGE

certain

instrument

over

temperature

however,

under

excess

that

the

sunlighttoavoid

upon

performance

approximately

performance.

controlsisgiven in

keyedtothe

the

Model 403B

are

keyedtothe

battery

the
and

source.

403B

canbeused

with

the

recharge

setting

completely

4-25).

BAT-

4-3.)

LIMITS.

temperature

has

the

range

of -20

range

keep

field conditions.

of 1220F

are

moderate.

instrumentisnot

When

using

SECTION

receipt

photo

is

charger.

batteries

the

line

In

the

line

cord

requires

of R39)

dis-

limi-

provided

to

is

these

quite

sun,

even

A good

the

pos-

403B

III

at

temperatures

are

fully

this

temperature.

3-11.

INPUT

3-12.A1/16Afuseisincludedinseries
input Circuit which
sive

overload.
netisremoved.
instrument.

3-13.

VOLTAGE

3-14. Always

or

higher
which have dc
the

appropriate
reading.
power

supply

age

maybeas
only a few
the ground
the

signal

3-15.

If

ance
cation
and
although

shunted

measurements

source,

because

voltmeter.

they

across

excessive

3-16.

The
effectively
city.

(This
hasareactanceof0.8
at

40 kHz,

higher

ranges
considered
in

circuitsofmoderate

3-17 .

severeRFcirculating

at

potentials
frequency
the

accuracyofthe

By

using

-hp-

a 10111A

the

accuracyofthe

3-18.

WAVEFORM

3-19.Inordertomaintain

ment, one
average

responding
calibratedintermsofthe
wave.Ifthe
contains

appreciable
voltages,
true

rms

value on

below

charged

priortosubjecting

PROTECTION.

will

This

fuseisaccessible

A

spare

MEASUREMENTS.

leave

making

levels

the

over25volts.

when

lower

This

practice

ripple

measurements

muchas600

millivolts.

strap

shouldbeconnected

groundisdc

hum

pick-up

of high

impedance

Shielded

will

cause

the

circuit

source,

loading.

rated2megohms

reduced

(above 1

factistrue

etc.

The

shunt

(see

when

Table

measuring

approaching

range.

These

403Bto±10% on

accessories

(adapter)

shunted

403B

must

remember

device,

waveformofthe

harmonicsorother

the

meter

indication

the

order

OOC,becertain

instrument

open with

repeatedorexces-

when

fuseisincluded

instrument

initial

onthe1-voltrange

connectionstocircuits

Then

rangetoobtainanup-scale

shouldbeused

when

where

volts,

but

theacripple

To obtain

specified

except

offset

from

chassis

are

made

fromahigh-imped-

can

affect

the

of both

leads

will

an

increaseinthe

with

input

kHz)

for

anyacvoltmeter.)

reduce

the

possibility

resistance

by shunt input

megohmat4kHz, 80,000

capacity

1-1).

impedance

300

severe

decreasesonthe

This

higher

factor
frequency
level.

currents

are

voltsinthe1to

ground

the

currents

300-volt

1000lA (10:1 divider) and

by a

2-megohm

canberetainedto±5%.

ERRORS.

accuracyofmeasure-

that

this

but

rms

instrumentisan

the

meter

value of a

voltage being

will

deviate

indicated by

the

batteries

with
the

cabi-

inside

switch

making

thedcvolt-

accuracy,

when

ground.

meter

the

source

pick-up

capacity

will be

capa­50

ohms

should

voltages

generated

2

MHz

range.

resistor,

scale

is

pure

sine

measured

spurious

from

Table

3-1.

to

the

the

to

is

indi-

of

pF

be

limit

the

3-1

section

m

Mode1403B

.Ull

lilt

FUNCTION:

CD

battery
position; it
Cadmium

When in

should
scale,

BATT. CHARGE: Glows when

CD

connectedtoanACsource
switch

3-2

Three-position

charge

when

applies

batteriestothe

the

BATT.

read

above

whichisequivalentto24

turnedtotheONposition.

the

27. 5
TESf

2.4

voltsonthe

switch

switchisin

volts

from

Mode1403B

position,

Vdcatthe

instrument

with

the

Figure

checks

the

ON

the

Nickel-

circuitry.

the

meter

"0-3"

meter

battery.

FUNCTION

3-1.

is

Front

Panel

Fluorescent
is

on.

RANGE:
volts

INPUT: Connect voltagetobe

CD

these

Description

Iooicator:

selects

rms

full

terminals.

range

scale

Glows when

from

in a 1, 3,10sequence.

0.001

measured

instrument

voltto300

to

Model403B

Section m

o Select

CD

range
2/3ofthe
highest

Connect voltagetobe

terminals

ed

degreeofaccuracy).

black

terminal

----NOTE----­The

is

connectedtochassis
For
chassis
grounded
grounded

4058-A-IIIZA

which

meter

(red

outer

voltage

givesareadinginthe

scale

terminal

negative).

black

measurements

ground, connect

black
black

(This

will

insure

measuredatthe

positive

ground

terminaltothe
terminal.

and

terminal

ground.

at

the

un-

Figure

upper

the

INPUT

unground-

3-2.

Voltage

Set FUNCTION
panel

meter

2.4

volts

If

less
charging.
charging

Set FUNCTION
knob will glow, and
for

voltage

When

the
power
ON,

the

dicating

Measurements

switchtoBATT.

reading

(correspondsto24

than

2.4

RefertoParagraph

instructions.

measurement.

instrumentisconnectedtoan

source

BATT. CHARGE

that

the

should be

volts,

the

switchtoON;

the

instrumentisready

and

the

FUNCTION switchisto

batteryisbeing

greater

voltsatbattery).

battery

3-7

lamp

lamp

will glow,

TEsr;

than

needs

for

battery

function

charged.

front

re-

AC

in-

3-3

Section

Table

ill

Table

3-2.

3-1.

EffectofHarmonics

Voltage

Measurements

on Model 403B

Examples

Measurements

of Voltage and DB

Model403B

Input Voltage

Characteristics

Fundamental
Fundamental

2nd

harmonic

Fundamental

2nd

harmonic

Fundamental

2nd

harmonic

Fundamental

3rd

harmonic

Fundamental

3rd

harmonic

Fundamental

3rd

harmonic

3-20.

This

average

tableisa

responding
canbeseeninthe
a

badly

+0, -2%

3-21.

3-22.
in
the
The

dB

distorted

error).

DECIBEL

Measurementsintermsofdecibels

the

same

wayasvoltage

indicationisreadonthedBscale

decibel

scale

levelisthe

indication

True

Value

= 100 100 100
+10%

100.5

+20%

102 100 - 102

+50%

112

+10%

100.5

+20%

102

+50%

112

general

rms

calibrated

table,

signal

errors

(e. g.;

MEASUREMENTS.

algebraic

andDBVOLTS (RANGE)

RMS

Value

100 - 110

one and

voltmeter.

are

small

20%

2nd

measurements

(-12to+2

sumofthe

Indicated

by 403B

100

96 - 104

94 - 108

90 - 116

appliestoany

even

are

with

gives

made

harmonic

except

dB).

meter

position.

As

that

Range
Switch

Voltage
300

10

.003
.001

DB

measurements:

+40

dB

+40

dB

+10

dB

-30

dB

-30

dB

*-50

dB

-60

dB

*NOTE: In

Meter

Scale

measurements:

3
1
3
1

dB
dB
dB
dB
dB
dB
dB

cases

whereameter
below-8dBisobtained,itis
the

next

lower
reading
the

scale

rangeonthe

willbeobtainedinthe

where

highest

tained.
The

same
urements.
lower

1/3

When a

scale,

switchedtothe

readinginthe

situation

exists
readingisobtainedinthe

the

range

next

lower

upper

2/3

Meter

Indicates

1.8

0.44

2.3
.27

+2

dB

-7

dB

-6

dB

o

dB

-8

dB

-9

dB

+1

dB

scale

besttoswitch

instrumentsoa

upper

accuracy

for

voltage

switch

maybeob-

should be

rangetoobtain

scale.

Actual

Level

180

4.4
.0023
.00027

+42
+33
+ 4

-30

-38

-59

-59

reading

portion

meas-

dB
dB
dB
dB
dB
dB
dB

to

of

a

3-23.

To

read

power

watt

into 600

across

(without

by

direct
across
decibels

ohms)

600

ohms.

respecttoreference

reading

the

same

between
obtainedbyreading
cations.
to

3-24.

3-25.
pedances
graph
dBm
ed on
graph.

Table

IMPEDANCE

To

shown in

willbethe

the

For

(For

3-2.)

obtain

other

meter

example,ifthe
+30dBposition,
ohms,

and

in

dBmisobtainedasfollows:

3-4

the

+ 1

(dB-scale

+30

(range

+31

(levelindBasindicatedbymeter)

+ 8

(correction

+39

dBm

directlyindBm,(0dBm=l

the

Comparative

provided

impedance

twoormore

directly

examplesofdB

the

levelindBm

than

600

Figure

algebraic

and

the

the

measurement

indication

switch

mE;asurement

dB

level)

each

measurementismade

value.

measurements

from

the

measurements,

CORRECTION

with

ohms,

the

3-3

may

meter

be'Used.

sumofthe

correction

range

made

ontheDB

scale

indication)

position)

for

90-ohm

must

be

made

measurements

maybeobtained

milli-

The

difference

may

dB-scale

indi­refer

GRAPH.

respecttoim-

correction.
The

level

levelasindicat-

shown on

the

switchisat

across

+1,

the

90
level

impedance)

the

be

3-26.

For

the

same

across

in

+ 1
+30

+31

-12.5

10,000

ohms:

(dB-scale
(range

indication)

switch

(levelindBasindicatedbymeter)
(correction

for

ment

conditions,

made

with

position)

10,OOO-ohm

the

measure-

impedance)

+18.5dBm

In

3-27.

3-28.

3-29.
quick

full

scale

3-33.
around
into

the

CURRENT MEASUREMENTS.

CLIP-ON

The

measurement

To

the

Model 403B.

-hp-

with

use

current

PROBE.

Model 456A

of

minimum

the

Model 456A,

carrying

The

current

circuit

probe

Current

from

loading.

simply

wire

and plug

outputis1 mV

Probe

provides

1 rnAto1

clamp

the

the

output

amp

probe

/mA.

Model403B

Section

+20

+15

~

+10

OJ

0

I

Z

0

+5

~

U
W

a:
a:

0

0

u

a:

w

~

W

-5

~

III

-10

-15

-20

-25

I

10

100

IK

10K

lOOK

IMPEDANCE - OHMS

Figure

3-3.

Model 403B

Impedance

Correction

Graph

3-5

FEEDBACK

D.~

NEGATIVE
(,

,

FEEDBACK
AC

l NEGATIVE

SI

1

,.--

RANGE

SWITCH

I

4

2

9

"

12

'0

Diagram

Block

Functional

403B

Model

FEEDBACK
AC

~

+ POSTIVE

,

I

:

2

4

~

I

I 2 I

I

II

12

~

4-1.

Figure

0.1

0.3

.03

.01

.001

.003

r-------------"1

I

I

r

IMV-300V

INPUT

I

~

o

~Ol

~

300

L "

r::fo==:::=:::~-;.:::::::=;:::~

, 100

I I I

I I

I

I ,

I I

, I

I

I I

I I

Model403B

Section

IV

4-1.

INTRODUCTION.

4-2.

The
attenuator,
cuit, a
amplifier.

4-3.

4-4.
tions:
the
tenuator,
input
which
the
only
provides
with
tional

4-5.
capacitor
made
division
the

capacitors
circuit
meter

Model403B

a high impedance

range

attenuator

RefertoFigure

PRELIMINARY

The

the

input

terminals

attenuator

are

RANGE

preliminary

located

switchedinat

switchisdivided up into two

and

between

has

input voltagetoQ1

prevents

the

1, 3, 10

The
equaltothe

overloading

the

necessary

intermediate

sequence

attenuators

(rc)

type, with

resistive

ratioatall

frequencies.

adjustable,

capacity

will have a

canbecompensated

flat

two

attenuatortoproduce

areofthe

ratioissetatlow audio
potentiometers,
to

the

exact

which

value.

THEORY

includesapreliminary

less

response.

bring

emitter

and a wide

follower

range

4-1.

ATTENUATOR.

attenuator,

Q1,

and

Q2

ranges,

the

appropriate

located

the

intermediate

and

Q3.

The

100:1 and 10,000:1,

timetokeep

thanO.030 volt.

the

input

accurate

system,

attenuationtowork

the

for

correct

meter

compensated

the

capacitive

division

ratiotomaintainaconstant

By making one of

the

small

variationsinstray

for,sothe

The

frequencies

the

resistor

exact

by

division

the

SECTION

OF

input

cir-

fixed gain

sec-

between

preliminary

at-

This

not

but

also

conven-

operation.

resistor-

ratio

volt-

division

trimmer

ratio

IV

OPERATION

4-6.

INPUT

4-7.

Rll,

whichisused

instantaneous

base

of Q1. F1isa

the

403B

4-8.

Since
devices,
ReferringtoFigure
resistanceofthe

Ri

of a grounded
with R9,
emitter
reversal.
or

stage.)
4-9.

The outputofQ2isfed backtothe junction

R9

andR7-R8.

point

thatisvery

in

phase

ac

voltage

Q2), the input

It

canbeseen

ent

Zin

4-10.
by feeding
and

emitter

CIRCUIT.

CR1,

and

CR2

make
for
voltages

against

transistors

a need

overload

from

1/16

a continuousorrepeated

are

for

a high input impedanceisrequired.

up a

protectiontoprevent

being

amp

fuse

inherently

4-2,itwould

first

stage

would be

plus

the

followers,

collector

R7-RB combination.

exhibiting unity gain

configuration in

(Ri =approx. input Z of a common

Thereisanacvoltage

nearly

the

same

with, the input voltage. Since a

exists

acrossR9(duetothe feedback

current

that

becomes

The Ri ofQ1is

theQ2emitter

lin

Zin

=

when

very

large.

increasedina

willbevery

E

in

~

10

linisvery

voltagetoboth

of Q1.

limiting

circuit

high

impressedonthe

usedtoprotect

overload.

low impedance

seem

that

the

input

approximately

parallel

Q1

and

Q2

and

no

phase

collect-

existingatthis

amplitude

very

as,

small

from

small.

Thereby:

small,

the

appar-

similar

the

manner

collector

~e

of

and

R7

-13V

Figure

4-2.

C9

+

Input

-13V

RI5

Amplifier

CIO

02

-S-POSITIVE
FEEDBACK

~

+

~

RIG

+

~EOUT

CI2

4-1

Section IV

4-11.

INTERMEDIATE

4-12.

The
tionofthe
a voltage
attenuator.
ingin10

4-13.

the

DB

Refertoschematic

backofthis

ATTENUATOR.

output ofQ2is

range

attenuator.

divider,insequence

A (1, 3,10etc.)

steps.

manual.

fedtothe

RefertoFigure

diagram

intermediate

The

range

with

ratioisobtained

attenuator

the

preliminary

4-1.

(Figure

result-

5-8) in

sec-

is

Mode1403B

/

/

~I

/

4-14.

Transistors
gain

amplifier

for

(full
meter
operationatall

4-15.
is
compared

the
which in

a grounded
lector
mon

amplifiersisnecessary

(5

up
tendency

change. R33

4-16.
the
meter
R28
of

4-17.
canbeunderstoodbyreferringtoFigures

4-18.
sary

to

sistance,
ure
diode voltage Ed)

(and
ing
pearsinseries
effect
sistance
meter
pedance

tance

passing

4-19.
minimizedbyQ6
a fixed
closetotheir

scale)

circuit

The

fedtothe

meter

hertz)
thedcfeedback

useofnegative

through

the

a change in

4-3,

meter

output of

with a feedback

circuit.

turnisdirectly

emitter

amplifier

base

amplifier.

responseofthe

fordcdrift

The

meter

rectifier

R30, and C15 and C16

feedbackathigh

The

necessity

To

have

that

the

then,

however,

therefore

linearity.

on output

with voltage,

circuit

source.Inthis

will have a negligible

through

The

effect

0.3

volt

Q3

whichisusedtodevelop

meter

with a high

baseofQ3

corrects

bridgetothe

correct

change in

amplifier

should

the

with Ro'

current,

fromaconstant

across

contact

throughQ6makeupthe

deflection

current

which

decreases,

load

them

of diode

current

impedance

levels.

the

intermediate

(djfferential

signaltoits

This

difference

coupledtoQ5

amplifier.

impedance

The

direct

becauseofthe

403B. R24

loop which

the

source

feedback

of high

that

Note in

canbeminimized

and hence

potential.

tendstominimize

duetoambient

total

impedanceisincreased

from

emitter

frequ~ncies.

meter

voltmeter

meter

circuitbeproportional

input voltage.

remain

when 10(and

the

resistance)

Figure

the

source

duetochanges

way,

changes

effect

resistance

through

CR3

and CR4,

Q5isa

gainofQ3

constant.

current

R35 which

andtoprovide

source

amplifier),

signalisfed

matches

couple

through

the

of Q3.

correct

source

action,itis

therefore

diode

increases,

4-4

impedance.

,on

the

through

changeisfurther

the

range

and Q6.

low-frequency

temperature

output of

The

resistance

by feeding

of diode

biasing

fixed

current

for

linear

attenuator

emitter

common

Q6, a

featureofthe

R26

through

Resistor

the

phase

impedance

4-3

and

neces-

load

Note in

that

in diode

or
total

Rei

high

resis-

current

the

meter.

impresses

them

Fig-

the

affect-

the

and
from
to
Q4

col-

com-

make
any

Q6.

the

4-4.

re-

Rei

ap-

The

re-

the

im-

Q4

is

by

V

/

o

Figure

Figure

4-20.

4-21.
bridge-type
capacitorineach
nected
meterisproportionaltothe
put voltage waveform.

4-22.
best

be explainedby analyzing

0.6

VOLTAGE

DIODE

4-3.

Diode

___

NEGATIVE

D.C.

'-------------.__---iM

+---NEGATIVE

METER

The

across

The

A.t.

4-4.

Fixed

RECTIFIER

meter

rectifier

configuration, with a

branch

its

midpoints.

403B

meter

Current

FEEDBACK RZ4

FEEDBACK

Amplifier

and

rectifier

V

/

INCREASING----

VOLTAGE

CIRCUIT.

circuitisarranged

adc

The

average

the

(Ed)

Vs Diode Voltage

Block

Diagram

crystal

microammeter

current

circuit

circuit

diode and a

through

value of

operation

ina

••

RO

C20

T

in a

con-

the

the

in-

can

simplified

4-2

Model403B

Section

IV

CRI

I

I

1

t-----------,

+

1 I

• •

I I

'~~OA-8-0'a9

Figure

form.
a

voltage
M1, Rf, and C1, C2. Note
each
passes

4-23.Inthis
aM
be
aM
series
acrossRfproportionaltothe

4-24.Inthe
capacitors

feedback

internal

bridge.

age
asinFigure
in

4-25.

4-26.
This
batteries
hours

4-27.
ing
strumentisused
adjusted

4-5.

Meter

Rectifier,

Figure

4-5

Esacrossacircuit

showsavoltage

made

that

half

cycle

(as

through

assuming

consideredasa

CR2, in

with

Rt.

the

circuit,
zero

series

Therefore,

meterinthe

meter
small

imicatedbythe

disregarding

resistance,

resistance

with

one

capacitor

there

input

actual

403B

meter

provideapath

generator

(Ro)

developsavoltage

voltage.

negative

operation

operates

four

6. 5

loop.

impedance

The

valueofthe

extreme

POWER

The

instrument

C17 and C18

The

meterisdeflected

input:

4-6

provides

linear

meter

SUPPLY.

Model 403B

uses

andisdesignedtohaveabattery

before

recharging.

R39

has

been

rateof6.2

adjustedatthe

rnAtoprolong

frequentlyinthe

foracharging

IF

R39 IS ADJUSTED TO THE11rnA

rateof11

battery

INSTRUMENT SHOULDBEUSEDON
ONLY
THE

BATTERIES

EXCEPT

WHEN RECHARGING

ARE RECHARGED WHEN THE

Simplified

the

same

rectifier

(Q3-Q6)

accordingtothe

The

feedback,

and

on

volt

factory

field,

rnA.

+

source

generating

up of CR1, CR2,

current

arrows)

direction.

contact

the

circuit

made

(C1 + C2)

willbea

signal.

for

with

signal

large

batteries

nickel

foracharg-

life.Ifthe

R39

RATE,
BATTERIES
BATTERIES.

403B IS CONNECTED TO ANACSOURCE WITH
THE FUNCTIONSWITCH TOON. THE

LIFEOFTHE INSTRUMENT CANBEPROLONG-

ED

AT

THE11rnA CHARGING RATEIFTHE

INSTRUMENT lS NOT CONTINUOUSLY
CHARGED.

CR2

Diagram

flow

for

always

potential

could

up of CR1

in

voltage

circuit,

the

AC

its

large

across

the

aver-

across

Rt

resulting

Ro.

only.

cadmium

life

of 40

in-

can

be

THE

BATTERY

OVER-

R35

03-06

---,

1---

I
I
I

I

I

I

I

I

1 I

___

L

Figure

4-28.

When
position,
ageof2.4
hoursatthe
batteriesinthe

willberequiredifthe
discharge

4-29.

Figure
Assembly,
the

instrument
teries.
rent

be

R39isusedtocontrol

usedtocharge

used

if R39isadjustedtomaximum

R

o

f\.; E

s

___

EfTO

the

and

the

volts,

6.2

below 24

which

1
1

I

1
1
1
1

I

I

J

4-6.

function

CI7

03---

Meter

CR3

+

switchisin
instrument
recharge

rnA

ratetocompletely

instrument.

batteries

volts.

5-8

illustrates

supplies

and

6.2

rnA of

the

batteries

CR4

R

m

+

CI9

+

....

Rectifier

the

indicatesabattery

the

batteries

A

longer

have

been

the

Power

4.8

rnA of

currenttothe

the

amountofcur-

and

caution

rate.

THE

FOUR

NICKEL-CADMIUM BATTERIES
IN THE 403B ARE IN HERMETICALLY
SEALED CONTAINERS. THE USER MUST

BE COGNIZANT
TREMES
ERIES. UNDER HIGH

OF

TEMPERATURE

WHILE CHARGING THE

TEMPERATURE

(ABOVE 500CENTIGRADE), HYDROGEN IN
THE

HERMETICALLY

SEALED BATTERY
CONTAINER CAN BUILDUPLARGE
SURE CAUSING DAMAGETOTHE
IES

AND/OR

BATTERIES ABOVE 40

1040FAHRENHEIT,IFR39 IS

INSTRUMENT. DONOT CHARGE

0

CENTIGRADE

SET

6. 2 MA CHARGING RATE.

4-30.

Figure

5-8

supply.
mer
when

cuitisa
a

primaries

used

filter

For

for

conventional

capacitor.
diode)amQ7
The

collector

across
4-31.

to
OFF

the

position.

CR9

CR10

charging

illustratesaconventional

115

volt

operation,

are

connectedinparallel,

230 volt

operation.

full wave

Diode

makeupthe

the

The

bridge

CR9(7volt

Constant

Current

currentofQ7isequaltothe

divided

prevents

circuit

by R37 and R39.

the

batteries

when

the

instrumentisin

from

power

+

R36

CIS

Circuit

BATT

for20to

recharge

charging

allowed

Supply

current

bat-

must

charging

EX-

BATT-

PRES-

BATTER-

OR

ABOVE

power

transfor-

andinseries

rectifier

using

C21

breakdown

Generator.

voltage

discharging

+13

TEST

volt-

25

the

period

to

to

cir-

for

the

4-3

Section V

Model403B

403B-A-1333

PRE-AMPL

INPUT

SIG PRE-AMPL

GRD

OUTPUT

METER

(-)

LOOP

METER

(+)

R33

GAIN

ADJ

-13V

t

INPUT

l

3V

-6.5V

METER AMPL

CI6

·CAL IMV
2MC

R29

METER CAL

IMV

RANGE

5-0

Figure

5-1.

Model 403B Top View

Model403B

5-1.

INTRODUCTION.

5-2.

This
formation
mance
its

cabinet,asa

part
5-3.

tenance.
shooting
in

locating

403B

5-4.Ifit

section

for

your

check

that

of incoming quality

This

instrument

Should

paragraph

the

is

failure.

giveninFigure

becomes

mentisnecessary,

to

the

damage
nottodamage

5-5.

Errors
of

the

capacity
placement.
response
on

instrument

new

the

maybeintroducedinthe

added in

Therefore,

adjustments)

and

contains

test

and

maintenance

403B. Includedisa quick

maybemade

part

of roUtine

should

failure

(5-27)

with

maintenanceoras

control

inspection.

require

occur,

An

however, a

has

been

exploded view of

the

very

includedtoassist

6-1tohelpinlocating

apparent

consult

transistor.

printed

recheck

that

Paragraph

Care

circuit

the

circuit

after

making

temporarily

the

adjustment.

transistor

shouldbetaken

board.

after
gainorfrequency

place

SECTION V

MAINTENANCE

in-

perfor-

instrument

little

3-33toavoid

403B

cabinet

covers

main-

trouble-

the

Model

parts.

replace-

because

back

in

a

re-

5-8.

METER, MECHANICAL ZERO.

5-9.

When

the

pointer

scale

will

when

temperature,2)in

3)

turned

curacy

off.

and

a.

Allow
20

to

b.

Turn
all

c. Rotate

meter

rest

over

the

voltmeteris1)atnormal

its

normal

Zero-setasfollowstoobtain

mechanical

the

minutes;

reach

voltmetertooperate

this

normal

voltmeter

capacitorstodischarge.

mechanical

CLOCKWISE.

to

d. Continue

rotate

WISE; STOP when

e. Rotate

WISE

adjustment

150to

remove

section

is

properly

the

zero

zero-set,

markonthe

operating

operating

position, and

stability.

foratleast

allows

the

meter

operating

temperature.

movement

off and allow30seconds

zero-adjustment

adjustment

screw

pointerisrightonzero.

screw

COUNTERCLOCK-

tension.

the

meter

best

ac-

for

screw

CLOCK-

V

5-6.

TEST

5-7.

Table

check

the

INSTRUMENT

Electronic

DC

Voltmeter
Generator

Termination

Resistor

Resistor

AC

Electronic

Clip

OnDC

Milliammeter
Oscillator

INSTRUMENTS

5-1

gives

403B.

TYPE

Voltmeter

Calibration

Volt.meter

the

REQUIRED.

test

equipment

f.

If

stepecauses
zero,
COUNTERCLOCKWISE

0

15

Required

Table

required

5-1.

to

Test

Instruments

MINIMUM REQUIRED SPECIFICATIONS

sensitivity:

Input
Output voltage

Signal frequency:

Distortion:

1 volt full

resistance:

less.

scale

10

megohmsorhigher

range:

.001to300

400 Hz

than

0.2%;

minimum

volts

Accuracy

±0.25%

Feedthrough, 50'ohm
15

kilohm ± 10%,'10watt

200 kilohm ±

Input impedance:
25pF(below

Accuracy:
Current

Accuracy:

Frequency

Output impedance:
Output level:
Monitor:

±2%

Range:

±3%

range:

meter

1%

~

10

the

megohms shunted by Model

0.3

volt

from20Hzto1

3 mA

±0.1

range)

MHz

to1ampere

mA

5 Hz - 2 MHz Model 652A

o

to

circuit

600 ohms,

1 V

rms
with expandfunction

50

into 600

ohms

ohms

•

repeat

the

metertomove off

procedure,

rotation

RECOMMENDED

-hp-

INSTRUMENTS

Model 412A

Vacuum Tube

Model 738BR

Voltmeter

Calibrator

Model 11048B
0811-9034
0757-0128

400E/EL

Voltmeter

Model 428A/B

Milliammeter

DC

making

less

Voltmeter

Electronic

the

than

5-1

Section

V

Model403B

403B-A-1334

51

RANGE

Figure

5-10.

PERFORMANCE

5-11.

The

that

compare
procedures
ic

inspections.

required
5-12.

performance

the

canbeused

throughout

CALIBRATION CHECKS.

a.

Rotate
TEST.

3.0

volt

volts,

b. Connect

c.

Set

the

300 V

403B with

RefertoTable

the

Meter'

scale.

recharge

the

Voltmeter

rms

CHECKS.

checks

bothfor

this

procedure.

403B 'FUNCTION

should

the

are

its

specifications.

incoming

5-1

read

If

403B
batteries.

in-cabinet

for

test

switchtoBATT

2.4

does

403BasshowninFigure

and

Calibrator

set

the

for

403Btothe

range.

d.

The
306

e.

Repeat

catedinTable

403B should

V.

steps

indicate

c and d

5-2.

for

between

each

5-13. FREQUENCY RESPONSE CHECKS.
5-14.

HIGH

FREQUENCY RESPONSE CHECK.

a.

Connect

b. Set

level
of

c.

Place
EXPAND and
a

the

the

652A

for

0.94

the

403B

the

652A OUTPUT MONITOR

convenient

403BasshowninFigure

for

400 Hz and

mV

indicationon1 mV

adjust

meter.

adjust

the

REF

reference

SET

point.

5-2.

Model 403B Bottom View

tests

These

and

period-

equipment

voltsonthe

not

read

2.4

5-4.

400 Hz

and

300 V

294 V and

voltage

indi-

5-5.

the

output

range

switch

control

R3

for

R4

-----NOTE-----­Do not

adjust

the

REF

SET

for

Table

the

remainderofthe

5-2.

Calibration

check.

Check

control

Table

VOLTMETER
CALIBRATOR

OUTPUT (400

CPS

RMS)

300V
100V

30V

10V

3V

lV

0.3V
O.lV

30mV

10mV

3mV
lmV

d. Change

adjust
ence

e.

The

0.92

f.

Repeat
meter

to

g.

and

Repeat

0.01,

the

the

output

levelasin

403B

meter

mV and

stepdfor

reading

0.99

mY.

the

0.03,

652A

0.96

shouldbebetweenO.89

same

0.1

MODEL 403B

INDICATION(VRMS)
Minimum

Maximum

294V

98V

29.4V

9.8V

2.94V

0.98V

0.294V

0.098V

29.4mV

9.8mV

2.94

mV

0.98

mV

0.306V

0.102V

30.6

10.2

3.06

1. 02 mV

frequencyto500 kHz

level

for

the

step

c.

indication

same

shouldbewithin

mY.

1MHz

and

2 MHz.

procedure

and 3 volt

for

range.

the

306V
102V

30.6V

10.2V

3.06V

1. 02V

mV
mV
mV

The

0.003,

and

refer-

403B

mV

5-2

Mode1403B

h.

Turn

i.

Connectanoscillator

the

j.

Connect onACVoltmeter
E

the

403B

RANGE

403B INPUT. Set

L)tothe

oscillator

switchto30

(-hp-

Model 200 CD}to

the

frequencyto400Hz.

(-hp-

Model 400E

output.

volts.

----­This

tance

Rinput

NOTE-------

correspondstoan

of 1. 8to3. 8

E

-----:;::...:...;~---

=

E input - E

meter

input

megohms

meter

resis-

where:

x R

Section V

series

k. Adjust

the

oscillator

on the 403B

monitoring

the

1.

Adjust

the

oscillator

the

oscillator

monitoring

level

meter

6V.

FREQUENCY RESPONSE CHECK.

the

the

652A

for

0.94

m.

5-15.

a. Connect
b. Set

Adjust
til

the

erence

The 403B
and 20.

LOW

level
of 403B.

Place

c.

OUTPUT MONITOR
EXPAND and
convenient

reference

---­Do not

d. Change

just
reference

e.

The

0.89

f.

Repeat

adjust

for

the

remainderofthe

the

the

OUTPUT AMPLITUDE

levelasin

403B

meter

mV

and

the

0.01, 0.03,

5-16.

NOISE

CHECK.

Disconnect

a.

Figure

5-4

switchtoON.

b.

Terminate
shielded
should be
and

the

load. The 403B

less

less

than8%on any

ation.

5-17.

INPUT RESISTANCE CHECK.

a.

Connect
(Position

b. Rotate
c.

Adjust

0.01

d.

The

9.0

the

B).

the

403B RANGE

Voltmeter

volt 400 Hz

403B

meter

mV and

for

meter.

voltmeter

a 20. 0 volt

Record

(connected in Step j).

frequencyto300 kHz.
AMPLITUDE

voltmeter

recordedinstep

should

indicate

403Basshown in

for

400 Hz and

mV

indication

adjust

REF

SET

point.

NOTE

-------

the

REF

SET

652A

frequencyto5Hzand

Step c.

indication should be

0.99

mY.

same

procedure

0.1,

and 3 volt

the

403B

from

and

rotate

the

the

403B input with a

than3%with

battery

range

403Basshown in

switchto0.01.

Calibrator

rms.

9.5

should

mY.

indicate

the

reading

on

control

reading

indicates

the

k.

between 19.

Figure

5-5.

adjust

output

on 1 mV

switch

on 652A

control

range

for

control

check.

ad-

for

the

same

between

for

the

0.003,

range.

setup

shown

403B FUNCTION

lOOK

meter

ohm-

deflection

operation

withacoper-

Figure

5-4

foranoutput of

between

un-

ref-

to

a

in

4V

5-18.

ADJUSTMENT

PROCEDURES.

5-19.

The

been

followingisa

procedure

definitely

calibration
has
adjustment.
for

complete
strument
steps,

fails

carefully
cedure.Ifthe
to

Table

ive

5-3

action.

------NOTE
In

ordertoavoid
capacity,
metallic
all

5-20.

POWER

a.

Connect
former.
turnonthe
minutes

b. Connect a

428A/B)
nectedtobattery
ure
DC

-----

If

frequentlyinthe
adjusted

11

temperatures

set

t~ry

lower

c.

Vary

volts;

should not

reference

d. Set

three

lation,

400E/EL)

BT4}
ripple

e.

Set 403B FUNCTION

connectacpower

switchtoON.

AND

CALIBRATION

complete

and should be

determined

Transistor

adjustment

any of

recheck

instrument

and

5-4

the

for

changes

(see

limits

your

still

possible

that

are

Table

giveninthe

connections

fails

cause

------

the

effects

a tuning wand with a non-

shank

should be

adjustments.

SUPPLY

the

Set

for

403Btoa

the

AC

warmup.

ADJUSTMENT.

variable

line

voltageto115

Voltmeter,

Clip-OnDCAmmeter

probe

around

the

BT4. Adjust R39

5-2)

foranindication of6:2 mA on

Ammeter.

NOTE

------

the

instrumentistobeused

field, R39

mAo

forafast
Do

not

charging

charge

batteries

above 400C if

for11mA

life

charging

the

the

line

voltageto115

prongtotwo

connectanAC

wires

voltage should not

charging

rate.

willbeprolongedatthe

rate.

input

line

more

voltage

DC

Ammeter

than

b.

Clip-On

vary

settinginstep

volts.

prongacadapter

Voltmeter

across

the

red

connectedtothe

exceed

switchtoOFF;

source

and

adjustment

made

the

usually

only if

403Bisout of

not

5-5).Ifthe

following

and

the

step,

and

correct-

of hand

used

for

line

and allow five

(-hp-

violet

wire

(see

can

be

rate

of
at

R39

is

Bat-

from

103to127

reading

1. 0 mA

from

Using a NEMA

(-hp-

(BTl)

and

batteries;

1. 5 m

set

FUNCTION

and

cause

pro-

refer

trans-

volts;

Model

con-

for

Model
violet

the

V.
dis-

it

in-

Fig-

the

the

iso-

5-3

Section

V

Model403B

Connect

f.

Model 412A)tored
BT1;connect
violet

DC

LATED FROM 403B GROUND.

g.

Rotate
TEST.IfDC
volts,
Paragraph
indication
Voltmeter.

5-21.

INPUT RESISTANCE.

5-22.

Check

the

procedure

put

resistanceisnot
R6 should
to10megohms).

VOLTMETER

o

the

be changed

hp738f3R

o ©

o

volts

probe

of aDCVoltmeter

wire

wire

VOLTMETER

outlinedinParagraph

common

connectedtobattery

403B FUNCTION

Voltmeter

recharge

3-7).

equaltovoltage

403B input

within

(typical

CALIBRATOR

leadofdc

MUST BE ISO-

batteriesinthe

Adjust

resistance

test

range

o

connectedtobattery

switchtoBATT
readingisnot

R45

fora403B-meter

indicatedonDC

by following

5-17.Ifthe

limits,

of R6isfrom

AC

(-hp-

voltmeter

BT4.

403B. (See

the

value

hp403B

VOLTMETER

24

in-

3.9

VOLTMETER

to

o

CALIBRATOR

hp738BR

hp403B

AC

VOLTMETER

o

o ©

oo@

o

'--------------E:r<::::::lA

Figure

5-4.

Performance

5-24.

CALIBRATION

a.

Disconnectthe

(The following

with

of

b. Connect

c.

d.

battery

(Position

-----NOTE-----­The

200K

the

input

graph

Rotate

Set

the

738BR)

AND

403Bfrom

procedure

operation).

the

403BasshowninFigure

A).

resistorisused

resistance

5-21).

the

403B RANGE

Voltmeter

for

0.001

0

Check

TRACKING.

theacpower

shouldbeperformed

check

switch

Calibrator

volt

rmsat400

200K

:t1"4 B

Setup

only

for

(Para-

toO.001 volt.

(-hp-

Model

Hz.

source.

5-4

Figure

5-23.

OVERLOAD CHECK.

a.

Connect

THE 15KQ RESISTOR MUST BE

CONNE CTED
URE

TO

Rotate

b.

connect

between

c.

Rotate

RANGE

d. Set

OUTPUT
volts;
less

CR1

5-4

5-3.

the

5-3

VOLTMETER

the

anAC

the

the

switchto0.1

Voltmeter

the

than

and

/

Overload

403BasshowninFigure

AS

TO PREVENT DAMAGE

403B FUNCTION

403B FUNCTION

SELECTORto400Hz

AC

3.5

CR2).

SHOWNINFIG-

Voltmeter

baseofQ1

'Calibrator

Voltmeter

volts.

Check

Setup

CALIBRATOR.

switchtoOFF;

(-hp-ModeI400E/EL)

and

chassis

switchtoON and

volt.

C,·hp-Model 738BR)

rms

reading

(If

necessary,

5-3.

ground.

and

should

check

300
be

e.

Preset
adjust
full-scale

f.

Adjust

g.

h.

Hz

j.

AdjustR4(see

k. Check

0.03

m.

n. Check 403B

full

R33 (loop

R29

Rotate

the

Set

the

at

scale

Rotate

set

indicationonthe

±2.0% of full

Set

403B FUNCTION

ments.

Voltmeter

400 Hz.

R3

indicationonthe

403B RANGE

Voltmeter

rms.

calibrationonthe

volt

Voltmeter

Variation

scale.

gain

(meter

imicationonthe

403B RANGE

(cal.

Calibratorto30.0

ranges;

scaleonall

Calibrator

meter

adj)

cal.

CalibratortoO.

0.1

V 400

403B

switchto30.0

Figure

403B

meter.

accuracy

switchto1. 0 volt.

tracking
shouldbeless

1/3

clockwise

1 mV

range)

403B.

switchtoO.

HZ)

forafull-

meter.

5-2)

forafull-scale

0.003,
ranges.

for

0.01,

shouldbewithin

1. 0 volt.

atO.1volt

am

for

a

1 volt.

1 volt

rms

volts

voltsat400

than

and

and

Rotate

incre-

±2%

of

Model403B

TEST OSCILLATOR

hp652A

hp403B

AC

VOLTMETER

n. Change

p.

5-26.

a.

the

652A

maintaining
AdjustC2foraO.

the

403B

meter.

10

VOLT RESPONSE CALIBRATION.

Turn

the

frequencyto300 kHz while

referenceonmeter.

96 of

full

403B RANGE

switchtothe10V

RANGE.

scale

section

reading

V

on

4038-8-1324

Figure

5-25.

mGH

a. Connect
b.

set

rms

c.

Adjust OUTPUT AMPLITUDE
readingof0.94

Place

d.

and

ence

e.

Vary
and
asinstepd.Adjust
forO.94 mV

1 and 2MHz with a

and
range,

(range

f.

Adjust
frequency

g. Rotate 652A

and
on

0.9
just

-----NOTE
Repeat

if

h.

Rotate

j.

set

RANGE.

50n

FEEO-THRU

TERMINATION

hpll048B

5-5.

Frequency

Response

FREQUENCY RESPONSE.

the

403Basshown in

oscillator

rangeat400

(-hp-

Model 652A)to1 mV

Hz.

mV on

the

403B.

OUTPUT MONITOR

adjust

REF

SET

for

pointon652A

the

652A

3 MHz

keeping

frequency

meter.

the

same

a convenient

dial

C16 (cal. 1 mV 2 MHz)

±5%

frequency

gradual

3 MHz.IfC16

the

valueofC15

of C15isfrom

652A

Oscillator

and

frequency

1 MHz while

meter.

mV

R33

The
±O.02mV
foraflat

does

not have

should

100pFto

for

same

output

dial

maintaining

403B

meter

(±2%).Ifnecessary,

response.

------

Paragraphs

5-24

and 5-25

R33isadjusted.

the

the

403B RANGE

652A

Oscillator

switchtoO.

for

setup

Figure

5-5.

control

for

switchtoexpand

refer-

between

reference

response

roll-off

1MHz

point

between

between

sufticient

be

cIlanged

160 pF).

a 300 kHz output
levelasin

between

same

should

step

300 kHz

reference

indicate

ad-

1.

400HzandO.1

2

d.

5-27.

5-28.
are
Troubleshooting,
that
operator,
panel
dure
areasoftrouble
Mode1403B.

Connect Wide Range

200CD)

to

the

403B INPUT.

frequencyto400

c.

d.

Connect

to
Adjust

volt

anAC

the

Voltmeter

Oscillator

the

Oscillator

indicationonthe

theACVoltmeter

reading.

e.

set

the

just

oscillator

the

Oscillator

theACVoltmeter

level

recordedinstepd.The

dicate

9.2to9.6

-----NOTE-----­TheACVoltmeter

procedure

cently
frequency
at

least

should

calibrated

response

300 kHz.Ifthereisa

iationinresponse
and 300 kHz,

sidered

AdjustC3for

f.

when

volts.

g.

Repeat

Paragraph

justingC2andC3for

between

volt

TROUBLESHOOTING.

To

included in

0.1

volt

rangeat300 kHz.

assist

introubleshooting,

this

sectionofthe

is

used

maybeencountered

and

inlications.

therefore

Tables

Troubleshooting,isfor

encountered

Oscillator

set

Hz.

(-hp-ModeI400E/EL)

OUTPUT.

AMPLITUDE
403B

(-hp-

meter.

Model

400E/EL)

frequencyto300 kHz.

AMPLITUDE

indicates

the

403B should

volts.

usedinthis

have

been

re-

and have a known

from

400Hzto

between

this

shouldbecon-

adjusting

a403B

5-25,

400

the

403B.

meter

indicationof10.0

stepshthrup,ad-

optimum

rangeat300 kHz and

Tables

manual.

for

and

evaluating

easily

consists

5-3

the

recognizedbythe

mainlyoffront-

and

5-4.

techniciantolocalize

while

testing

Test

(-hp-

Model

the

Oscillator

for

9.40

Record

Ad-

control

until

reference

var-

Hz

performance

10

5-3

and5-4

Table

5-3,

problems

Proce­the

in-

k. Adjust

an

indicationof0.96

meter.

m.

Readjust
control
652A

the

OUTPUT AMPLITUDE

of full

the

652A OUTPUT AMPLITUDE

for

a convenient

meter.

control

scaleonthe

reference

on

for

403B

the

-----

When
or

transistors

replacing

NOTE

in

refertoParagraph

5-5.

any

the

------

crystal

5-33 and

diodes

Model 403B,

Table

5-5

section

V

Table

SYMPTOM

responsetoinput

No

Low

reading

test

Noise

indication on

known quiet

Meter

pins

ing

Meter

quencies

Meter

ranges

Meter

ranges

Battery

when

through

pulsatesatfre-

below15Hz

calibration

above

calibration

below

will not hold

charge

Battery

charge

tive

0.001,
tion

okay but

ranges

0.1,
out of

tionat400 Hz

If

all

ranges

calibration

except

okay
two

ranges

stick

resistors

okay

At 3

volts

reads

No

adjustmentoncharg-

ing

5-29.

5-30.

2 MHz

high

current

REPAIR.

CABINET REMOVAL.

5-3.

on Batt.

source

switch-

ranges

off on

0.03
off on

0.1

inopera-

10

cali~ra-

all

other

calibra-

on 400 Hz
check

out

for

one

and

the
check

meter

Troubleshooting

CAUSE

Fuse

F1 blown
Batteries
Shorted
CR1orCR2

Open

low

transistor

shorted

contactsinrange

switch

Recharge

Batteries

CR1orCR2 noisy

Noisy

transistors

(usuallyQ1or

CR3orCR4

Dirty

contactsinrange

switch

C7, C12,orC13
C17, 18, 20 openorleaky

Resistorsorcapacitors

bad in

range

Resistors

mediate

Dirty

bad in

attenuator

contactsinrange

switch

CR10

shorted

Shorted

cellinbattery

Q7, CR5, CR6, CR7,

CR8, CR9,

Switch on 230V

when

Replace

using

C13

./

ChangeQ3

or

Shorten

Check

If

this

problem,

for

on

backside

leads
doesn't

replace

solder

Q2)

switch

C21

position

115V

on R18.

fix

splashes

of R39

leaky

inter-

R18

Model403B

b. Bottom

holding

the

cover

Cover:

the

covertothe

toward

remove

the

rear.

the

rear

flat

head

panel and

The

bail

up.

c. Side

Table

Covers:
which hold
the

instrument.

5-4.

Test

remove

the

covertothe

Procedure

the

flat

head

side

casting

Troubleshooting

SYMPTOM CAUSE

scale

adjust

indication

R29 will not

full

Noise (403B input

inated with a

lOOK

resistor)

Input

resistance

shielded

specs

Meter

does

not

for

term-

out of

track

CR1, 2
CR3, 4 bad

Q1

throughQ6bad

UsuallyQ1orQ2noisy

Q1orQ2
C9, C10,

bad

Cll,

R6

properly

1)

Meter

sistently

all

meter

2)

Meter

some

but below

reads

con-

aboveorbelow R35

divisions

reads

above

other

CR3, CR4 bad

wrong

value

Diodes

CR3, CR4 bad

MeterM1bad

divisions

Low

frequency

response

C1, 7, 12, 13, 18-20

bad

reads

more

400D

voltsonoverload

1. 5

Excessive

than

Charging

CR1orCR2 bad

Bad CR9,

Rate

Q7

R39NoEffect

5-31. SERVICING ETCHED CIRCUIT BOARDS.

5-32. One
boards
general

double-sided

are

usedinthe

rules

when

a. Do not apply

or

component

b. Use a

c.

toothpickorwooden

holes

before

To

removeadamaged

near

component;

component

and two

single-sided

Model 403B. Follow

servicing

excessive

inserting

being

these

heattothe

soldered.

new components.

component,

then

with a

apply

straight

lead

boards.

conductor

splintertoclean

clip

heat

and

remove

upward

tion.

screw

slide

must

screws

of

circuit

these

leads

mo-

be

5-6

To

insure

a.

Top
holds

the

Cover:

cover

the

covertothe

toward

remove

the

the

rear

rear.

single

panel

screw

and

wtich

slide

d.

let
side.

good connection between

and

conductor,

solder

from

the

the

conductor

eye-

Mode1403B

5-33.

TRANSISTOR

5-34.

Transistors

When

replacing

circuit
and
for

board,

use

a low

any
5-35.
5-36.

FUNCTION switch.
5-37.
5-38.Ifthe

reason,
be

replaced.

back

that

nut.

To

wattage

adjustments
FUNCTION SWITCH REPAIR.
Figure

FLUORESCENT INDICATOR DECAL.

FUNCTION

the

fluorescent

This

holds

assure

REP~CEMENT.

canbedamagedbyexcessive

transistors

useaheat

5-7

firmly

positive

sink,

soldering

after

replacement.

gives

cabling

switchisremoved

indicator

decal

hasaspecial

against

contact,

on

the

Mode1403B

suchasan

iron.

RefertoTable

detail

decal

the

adhesiveonthe

FUNCTION

proceedasfollows:

Table

heat.

printed

alligator

on Model 403B

will

for

have

5-5.

clip,

5-5

any

to

switch

Transistor

a.

Moisten
tissue
utes

b.

Place
shaft,
black
Model 403B
against

c.

Slide a
it

will hold
FUNCTION
minutes

d. Remove

ing and
TION

Replacement

the

backofthe

soakedinxylene

for

the

adhesivetosoften.

the

decal

adhesive

area

the

bushingornut

for

the

install

switch

over

side

directly

panelampress

FUNCTION

the

decalincontact
switch
the

adhesivetodry.

bushingornut

the

knob.

Section V

decal

withapiece

am

allow a few

the

FUNCTION

down.

over

over

nut, and allow about

small

the

switch

the

used

spacer

Position

OFF

lineonthe

the

decal

nut.

shaftsothat

with

for
and FUNC-

weight-

of

min-

switch

the

firmly

the

20

REFERENCE

Q1, 2

Q3,

4
Q5
Q6

CR1, 2

CR3, 4

CR5,

CR9
CR10

Q7

FUNCTION

Q1

and

Q2
vide a high input
(Emitter

Amplifier
Amplifier
Amplifies

base)

ProtectsQ1from

Meter

Rectifier

Zener

Isolation

Charging

work

Follower)

(Common
(Common
signal

Diodes

Diodes

Diode

Diode

Current

togethertopro-

impedance

emitter)
collector)

(Common

overload

Regulation

CKS

CHE

Check input

Readjust

Check

Readjust
Readjust
Readjust

Recheck

characteristic

Check
Readjust

Readjust
Check

current
Readjust
Check

current

Readjust

OR ADJUSTMENTS

REQUIRED PARAGRAPH

impedance

R29

noise

R33
R33
R33

overload

s

noise

R29
R45

battery

battery

charge

R39

charge

R39

REFER

5-17
5-24

5-16
5-25

5-25
5-25

5-23

5-16
5-24

5-20
5-20

5-20
5-20

5-20

TO

stepsathru
steps

athru

steps

a and b

stepsathru
stepsathru
stepsathru

stepsathru

steps

a and b

stepsathru
stepsethru

steps

a and b

steps

a and b

steps

a and b

steps

a and b

d

e

g
g
g

d

e
g

5-7

Section

V

Model403B

A3C5-----,

.---------2Q,

FI-----,

.---------,BARE.

SIA(F)

;-------------,-t--,BARE,----------------..,

SIB(F)

-----..

RED

T~~~~~L-8

~--A3C2.RI

'-------:~

SIA(R)

SIB(R)

5-8

,Jr-----~

A3R4.R5------~

403B-C-1316

A

51

IRANGEI

SIC(F)

B

c

Figure

----AICI3

SID(R)

SIA(F)7

SWITCH~

DESIGNATOR SECTION FRONT SIDE NUMBER

1.

WAFER

FRONTS (F) VIEWED FROM BOTTOM FRONTOFINSTRUMENT.

2.

WAFER

REARS (R) VIEWED FROM BOTTOM REAROFINSTRUMENT.

SlC(Rl

AND

SlD(F)

3.

o

4. SWITCH

5. CIRCLED NUMBERS

5-6.

Range

SHOWNIN1.001/

THOUGH SOME POSITIONS

Switch

HAVENOSWITCHING

G)

INDICATE CONTACT POSITIONS EVEN

Detail

-60

IPOSITION.

MAY

\

~CONrACT

AND

ARE NOT

SHOWN.

BE BLANK.

SCHEMATIC

1. RANGE SWITCH SHOWN ON

2. FUNCTION SWITCH SHOWN IN

3. SWITCH CONNECTIONS ARE SHOWN
AND

MAY NOT BE ACCOMPLISHED IN

4.

ALL

DC VOLTAGES ARE

SHOULD BE ALLOWED WHEN MEASURING

5. WDENOTES CHASSIS GROUND.

W

DENOTES

*

OPTIMUM
IS SHOWN

6. RESISTOR VALUES ARE IN OHMS AND CAPACITANCE VALUES ARE
IN MICROFARADS UNLESS OTHERWISE

7.

--------

-----------

8.

c==::JDENOTES

~

9.

~

SIGNAL GROUND (FLOATING).

VALUE

AND

DENOTES

DENOTES

COLOR

CODE. FIRST NUMBER
SECOND NUMBER
NUMBER

(e. g.

~

TYPICAL

SELECTED

IN SOME CASES

FRONT

SCREWDRIVER ADJUST.

WIRE COLOR: COLOR CODE SAME AS RESISTOR

IDENTIFIES

IDENTIFIES

= WHITE. RED.

NOTES

0.001

VOLT RANGE.

THE

OFF

POSITION.

FOR

SCHEMATIC

THE

MANNER SHOWN.

VALUES. A

AT FACTORY. AVERAGE VALUE

THE

DENOTES ASSEMBLY.

DENOTES MAIN SIGNAL

PANEL

MARKING.

WIDER

NARROWER

YELLOW.)

TOLERANCE

THESE

PART

MAY BE OMITTED.

DESIGNATeD.

IDENTIFIES

STRIP,

STRIP.

VOLTAGES.

BASE COLOR.

THIRD

SIMPLICITY

OF±10%

PATH.

A2T1-I---J!t----...

-13V

TO

AI-2

BT4(~)----L

A2R41----.:L

-----,BARE,

AICf7---~---

MI(-)----J-

'------

,BAR!:.,

-----./

--f-----'

.....

S2B(F)

~----~----J2

""",

__

--~---R45

--------&,

~----MI(+)

'-----+--~---

b---

b---BTI(+)

S-+13V

---

~--6.5V

~---A2R44

~----

A

2CRIO

TO

BT3H

TO

AICI9

AI

AI

1.

SWITCH

WAFERS

FRONT OF INSTRUMENT.

2.

SWITCH

SHOWN

3.

CIRCLED NUMBERSG)INDICATE CONTACT
POSITIONS EVEN
MAYBEBLANK.

IFUNCTION I

VIEWED

IN

~

THOUGH

52

(F)

FROM

POSITION.

SOME

(F)

A B

BOTTOM

POSITIONS

4038-8-1317

S2A(F)

Figure

5-7.

Function

Switch

Detail

IRANGEI

P/O

51

0

oill

o(i)

o@

o®

o@

0

0

o®

®

@

®

AN

::-....;J

..

I

__

""l)I~_Po/-°--o!<:JOi0;;:,1

IINPUTI

SHORTING 1 I

!

~

:r~

I F

I-Q,

I I 2 C8

I 4

~

STRAP

T: 1

~

•

3

AR;IT;N~~3;-~

[i]~11

IRANGE I

o

:.°6°ci

ill

:?~5

Q)

.:~l>

@

:~~

®

-~o

®

':I~

o 6

®

+~o

®

~~o

@

13<&

®

~~<&

@

;~g

W

IRANGEI

0P/0

51

ill0

Q)o
@o

®o

@o

0

0

®o

~/

C6*r:

22PF~

I

~--------~

C2

1.5-7

CAL

300KC

~

Tg~OPF

W

® I

..

2M

PF

.IV

~~5

~

R2 I

19./K

_____

----+----:>-!---

~~

~~

~~~

- -

1.5-7PF

CAL.,

300t<t:

~I

Ti2bPF

W ®

~to0liil,-C>OP/

---'1

I

C3

~

.

0

__

I @

I @

I

IRANGE I I

.....

0-S<lI~.1/Y'16

ill

3

/;:...9

\V~o

PWR

FI I C7 RII

~

FROM

SOURCE

VIA

52

~I~R-(~A~

I
I

-13V

R7

34K

AMP

~I

~

921

~

97

=,:,J1(f--

{

961

I

l4

I'

I

I

I

(f--+13V

R8

82K

R9

150K

.....

R:

RIO

82M

4700

~IOPF

.,,/ASSEMBLY

MTO

SCREWS

-13V

-13V

CRi

I.,..K"-

........

--l

AC
(see Para. 4-10).

C9

200

+

-13V

FEEDBACK

T~6=-

...----::0--0

WI

J2

l--------

403B-E-131~B

COPYRIGHT

-

---

CIO

10

02

...

---"!~

IFUNCTIONI

P/O

1962BYHEWLETT

~

S2B(F)

oill

A2R38

- -

---

AC

FEEDBACK

(see

Para.

- -

---

4-9)

r--------l

I

I

CI2
200

0

Q)

21

. I

33K

,.,

..=....:..:I

I

I
I

I

I

I

I

I
I

J

......--......

-PACKARD

RI8

3419

RI9

1081

R2/

341.9
R23

158.1

'\~

----------.;.-4oJl

COMPANY

RI7

1080

R20
634

R22
920

- -

---

®

Q)

@

~

~~

0
®

&La

~

@
@

Mode1403B

- -

-<J

~

~

l

----

I

I

I

~b1

I,

Ht--~+-i

~I

I
I

I

I

I

I

I
I

__

~

l

._

.. -

R47

150

---------1

NEG

R37
300

-13V

DC

R46
4700

-13V
R34

8200

R42
220

R35
390

~03K6

3

L

__

+_I_V

-_-~~}....:6=3::..---O-...L.,~:!.-t-

- -

---

- -

---

BATT I

TEST CAL R45 I

~

1--~20-~

07

R41
33K

I

I 7 ill

BTl

_

6.5V

1

BT2

_

6.5vl~

I

Bn

_

6.5V-

I

I

I

!FEEDBACf<

-13V

R 4

2 K

CAL

IMV

2MC

~

;U;

~M;L~

(403B-65;)----

~-------j

FUNCTION

BATT. OFF

o

TEST~ON

12."."".}

~

IFUNCTION I

P/O

_---J..---

,-

:

00

: ill

18IIQ>

I

I

I

I

I

--

R44

220K

250Kj

II

~

R4"

3900

Q)

c;=-

+13V

o

o

I

ill

(i)

~-6.5V

3

o

Section

V

ill

(j)

S2A(F)

0

(ft

16

Q)

MI

+

0

~

.......

---4-Q)~3!'OO,...L<l>--12-

Figure

5-8.

Schermtic

Diagram

5-9/5-10

PERFORMANCE CHECK

TEST

CARD

Hewlett-Packard
Transistorized
serial

No.

Model

AC

Voltmeter

403B

DESCRIPTION PAR.

CALIBRATION

l.

A. RANGE ACCURACY

300V
100V

30V
10V

3V
1V

0.3V

0.1

V

0.03V

0.01

V

0.003V

0.001

V

HIGH FREQUENCY RESPONSE

2.

0.001

A.

RANGE

500 kHz

1 MHz
2 MHz

0.003

B.

RANGE

500 kHz

1 MHz
2 MHz

0.01

C.

RANGE

500 kHz

1 MHz

2 MHz

0.03

D.

RANGE

500 kHz

1 MHz

2 MHz

0.1

E.

RANGE

500 kHz

1 MHz

2 MHz

3 V RANGE

F.

500 kHz

1 MHz
2 MHz

Tests

Performed

by

Date

0.94

0.94

0.94

O.
O.

0.94

0.94

0.94

0.94

0.94

0.94

O.

0.94

O.

0.94

0.94

O.
O.

CHECK

Full
Full

Full
Full
Full

Full

Full
Full

Full

Full

Full

Full

94

94

94

94

94
94

scale±2%
scale±2%
scale±2%
scale±2%
scale±2%
scale±2%
scale±2%
scale±2%
scale±2%
scale±2%
scale±2%
scale±2%

Full

scale±2%

Full

scale±2%

Full

scale±5%

Full

scale±2%

Full

scale±2%

Full

scale±5%

Full

scale±2%

Full

scale±2%

Full

scale±5%

Full

scale±2%

Full

scale±2%

Full

scale±5%

Full

scale±2%

Full

scale±2%

Full

scale±5%

Full

scale±2%

Full

scale±2%

Full

scale±5%

G.

10

V RANGE

300 kHz

LOW FREQUENCY RESPONSE

3.

0.001

0.003

10

10

RANGE
cps

RANGE
cps

A.

B.

0.94

O.

O.

94

94

Full

Full

Full

scale±2%

scale±2%

scale±2%

PERFORMANCE CHECK

TEST

CARD (Cont'd)

Hewlett-Packard

Transistorized

Serial

No.

Model 403B

AC

Voltmeter

DESCRIPTION

3. LOW FREQUENCY RESPONSE (Cont'd)

0.01

C.

D.

E.

F.

4.

NOISE CHECK

RANGE

10

Hz

0.03

RANGE

10

Hz

O~

1 RANGE

10

cps

3 RANGE

cps

10

A. BATTERY OPERATION

AC OPERATION

B.

5. INPUT RESISTANCE

PAR.

Tests

performed

by

Date

0.94

O.

0.94

O.

<
<

9.0to9.5

CHECK

Full

94

Full

Full

94

Full

3%

Deflection

8%

Deflection

scale±2%

scale±2%

scale±2%

scale±2%

mV

Model403B

6-1.

INTRODUCTION.

6-2.

This
replacement
meric

orderoftheir

cates

the

together

description,

with any applicable

following:

a.

Total

column). The

the

b.

Descriptionofthe
tions

section

parts.

quantity

first

below.)

contains

Table

reference

time

information

6-1

lists

designators

-hp-

part

notes,

usedinthe
total

quantity of a

the

part

part.

REPLACEABLEVIPARTS

for

parts

in.

numberofeach

and

nUmber

(see

and

provides

instrument

partisgiven

appears.

listofabbrevia-

SECTION

ordering

alpha-

indi-

part,

the

(TQ

6-3.

Miscellaneous

Table

6-1.

6-4.

ORDERING

6-5.

To

obtain
inquirytoyour
(see

Appendix B
partsbytheir
instrument

6-6.

6-7.

model and

NON-LISTED

To

obtain a

a.

Instrument

parts

are

INFORMATION.

replacement

local

Hewlett-Packard

for

list

of office

Hewlett-Packard

serial

PARTS.

part

thatisnot

model

number.

listedatthe

parts,

address

locations.)

part

numbers.

numbers.

listed,

Field

include:

section

end of

order

Office.

Identify

Include

VI

or

c.

Typical
digit
facturers.

d.

Manufacturer's

Ag
AI

A

.•...........•.............•

............•..................

Au

....................•.......

C

cer

...................•........

coef coefficient

corn

•••••••••••••••••••••••••••

comp

........••......•......

conn connection

dep

OPOT double-pole
OPST double-pole sinllle·throw

elect electrolytic

encep

.•...•..•...•.•••...••

F
FET

.....••.........

........•....................

fxd

GeAs gellium
GHz

......•........

gd

........•................•.

Ge

........•.................

end

H

................•...........

Hg

A

8

BT

.................•...........

C
CR

......•.............•........

Ol

OS

.......•.......................

E mioc alectronic

F

','"

.•........•..............

manufacturerofthe

code.

(see

)

part

.sil_

eluminum

ernpefels)

gold

c:epecitor

.c

...

.."ic

COf'nlT'On

composition

deposi

double·

throw

encepaJleted

.f.edls)

fiald

effect

trensistor

.fixed

gigehertz - 10+9 hertz

._ids

~.d(edl

gtrmenium
ground(ed)

henry(ies)

mercury

mbly

motor

bettery

cepecitor

diode

deley line

Iemp

pert
fu.

part

in a

Appendix A

for

five-

listofmanu-

number.

Hz

. . . . . . . . . . .

10
impg impnlllneted nsr
incd
ins

..........•.............

kn
kHz kilohertz - 10+

l
lin

.........•................

log

....................•

ted

rnA milliempere(s) - 10-

MHz megehertz - 10+6
Mn
met
mlr

rns

•...•..•..••••.•........•.

mtg :
mV

J.IF

......•.......•.•.....••

/.II

IN microvolt(s) - 10-6 volts

my

nA

Nt::

Ne
NO

....

elix

tere T

gige

rnege M

kilo
hecto
deke

deci

Fl
HR
IC

J

.....••••....•.•................

K

......•.........................

l

..............•..............

..............•...............

M
MP
P plug TP

tim

......•........

....•........•........

Symbols

Kor

....••.....•.•.......

..

hertz

(cyele(s)

per

inside di

.incendncent

in..letion(ed) n ohm(s)

kilohm(s) - 10+3ohms

line.

logerithmic

megohm(s)·

10+6

menufecturer

millisecond

'.'

mlillvolt(s) -10volts

microf.ed(s)

microsecond(s)

nenoempere(s)-10-9emperes

or

normelly closed

normelly

DECIMAL MULTIPLIERS

Multiplier ....

G

Meg

k

h

da

d

10
109
106
103
102
10

10.

integreted circuit R resistOf

mechenicel

Instrument

b.
c.

Descriptionofthe

d.

Function and

ABBREVIATIONS

oecond)

NPO negetive positive

t.

ns

~::::::::::::::::

3

hertz

p

inductor

3

met"

~~nting

Myl.®

12

1

inductor

•.••..••••...•..•••••••.••••••••

teper

~:::::::::::::::::::::::.~=:~

pF

teper

piv

..•................

plo

_res

pol

hertz

poly

ohms

pot

film

Pi> peek·to-peek

ppm
prec precision

R resistor
Rh

rrTlS

.•.......•.....•....•

rot

s.

............................•

neon oect section

open

Si

...........•......•...........

DESIGNATORS

filter a transistor

heater OCR transistor-<liode

jeck RT

relay S

T transformer

meter

T8

pertTC......•.................

.....••......••............

(..-0

nenooecondls) - 10-

.•.•••.•.•.••••••..•••...

...........•..........

term

long

elix

centi
milli
micro

pico
femto
etto

.............•...........

...".,.eture

not

leJ*"etltly replec:eeble

:

:~.~:u~=~:

picof.ed(s)

peek in__voltege

(tempereture

stebility

Symbols

IJ.

coefficient)

9

10-12f.eds

position(s)

polystyrene

potentiometer

peru

per

coeffie(lt,

end/or

toler....,.)

rhodium

root.",.....-squ

Multiplier

10.

10.

10.

10.

thermistor

terminer

thermocouple

test

serial

number.

part.

locationofthe

II

..-0

SPOT single-pole
SPST single-pole single-throw

seconds

Te
TC
Ti02

tog

.........•...................

to!

.........•...............•.

trim

peek

TSTR trensistor

V volt(s)

VIICW

•••••

_

pert

01

¥dew

w wett(s)

wI

..........

wiv

million

Ienium

silicon

10-

10-6

10-

.-itch

..............•

wlo

YtIW

•••••••••••••••••••••••••

••

_.

rotary

..

.

(s)

2

3

9

12
15
18

TS
U microcircuit
V vecuum

W

X lOCket
XOS Iempholder
XF

bo.d

.........•...............

Y

...•..••.•.••.......•.•.•.•.••

Z .

point

.....

,

alterneting

direct

.•...................

optimum

velue

shown

no

stenderd

®

tube,

velue

neon

part.

'

double-throw

tempereture

coefficient

titenium

current

working volteglt

current

working volteglt

Working

in_.

wirewoun<:t

.I«tedatfectory,

(pert

mey

be

type

number

"ected

or

speciel

DupontdeNemours

STD-8·2734

t.minel

bulb.photocell,

fu.holder

II

tentelum

dioxide

toggle

toler....,.

trim"....

v.ieble

with

volt.

without

omitted)

_gned

type

strip

cellIe

crystel

network

ide

atc.

6-1

section

REFERENCE
DESIGNATOR

Al

A2

A3

BTl,

Cl
C2,

C3
C4
C5
*C6

C7
C8
C9
CI0
Cll

C12
C13
C14

,

*C15
C16

C17, C18
C19

C20

C21
CR1,
CR3, CR4

thru

CR5

CR8
CR9
CRI0

DSl

Fl

Jl

J2
Ml

Ql,Q2,

Q6

Q4,

VI

-hp-

PART

403B-65A

403B-65B

403B-65C

2, 3, 4

1420-0015

0170-0033

01~0-0003

0140-0151
0140-0178

0140-0145

0180~100

0160-0205
0180-0060
0180-0059
0180-0064

0180-0104
0180-0063
0180-0039
0140-0176
0130-0017

0180-0058
0180-0033
0180-0150
0180-0149

CR2

1901-0044

1901~535

1901-0025
1902-0074

1901-0025

1450-0419 1

2110-0011 1

1510-0008
1510-0009 1
5060-0626
0340-0090
1251-2357

1120-0315

1120-0316

Q3, Q5 1853-0020

1854-0071

NO.

...

Table

6-1

Replaceable

TQ

Assembly,

C7

thru

CRl

thru

Assembly,

C21

CR5

thru
Tl
Q7 R45

Assembly,

C2

thru

4

1
2
1
1 C:
1

1
1
1
1
1

1
1
1
1
1

2
1
1
1

2
2

5

1

Battery,

C:
C:
C:

C:
C:

C:
C:
C:
C:

C:
C:
C:
C:
C:

C:
C:
C:

C:
Diode:
Diode:

Diode:
Diode:

Diode:

Nickel

fxdO.18
var

cer1.5-7pF±10%

mica

fxd

mica

fxd

mica22pF

fxd

elect

fxd
fxd

mica10pF

fxd

elect

fxd

elect

fxd

elect

fxd

elect

fxd

elect
elect

fxd

fxd

mica

var

cer

fxd

elect

fxd

elect

fxd

elect

fxd

elect

Si20mA/+IV10mA/-I0V/50

2

hybrid

Si 100 rnA 100

breakdown

Si 100 rnA 100

Indicator:

Fuse,

1/16

Terminals:

3

Assembly

1

Assembly

Assembly

1

Insulator:

1

Connector:acpower

1

Meter:

1

Meter:

1

4
2

0-100
0-100

TSTR:SiPNP
TSTR:SiNPN

Parts

DESCRIPTION

printed

circuit:

C20

CR4

resistor

board:

CRI0

resistor

board:

C5

Cadmium

/-LF

±10%

600 vdcw

820pF±2%
560pF±2%

±5%

4. 7

/-L

F .±10%35vdcw

±5%

200

/-LF

+100% -10% 3 vdcw

10

/-L

F 10 vdcw

35

/-LF

-+,100%

200

/-LF

15 vdcw

500

/-LF

+100% -10% 3 vdcw

100

/-L

F 12 vdcw

100pF±2%

8-50pF500 vdcw

50

/-LF

+100% -10% 25 vdcw

50

/-L

F 6 vdcw

1200

/-LF

/-L

F60vdcw

hot

carrier

10 vdcw

65

pF

wiv2pF

7.

15V

wiv2pF

neon

amp

250 V

maximum

three
binding
binding
binding

female
post:
post:
post:

B.P.double

/-LA

dc

/-LA

dcDBScale

(Cont'd)

includes,

Ql

thru

R6

thru

R24

thru
R40
R46

includes,

R37

thru
R41
R44

R47

includes,

Rl

thru

6. 5

Vnom.

500 vdcw
300 vdcw
300 vdcw

500 vdcw

500 vdcw

-10% 3 vdcw

300 vdcw

±5%

400 mW

red
black
black

with

keyed

Q6
R16

R36

R39

R5

225

wiv

5.4

ohm

strap

(option 01)

mAh

MFR.

88220
09134

72982
04062
04062
04062

56289

04062
56289
56289

56289
56289

56289

56289
04062
72982

56289

56289

56289

56289
73293

-hp':'

03877
07910

03877
72765

75915

-hp-

-hp-

-hp-

-hp-

82389

-hp-

-hp-

01295

01295

Model403B

MFR.

PART

NO.

6.0V/225B
Type

27

503-000-COPO-I0R
DM15F821G
DM15F561G
DM15C220J

150D475X9035B2-DY~

DM15C220J

30D116Al

30D182Al

30D122Al

30D174Al

30D120Al

30D154Al

557-019-U2

P034R

30D186Al

30D133Al

Type

340

Type

30D

HD

SG-817

CE 35664

SG-817

599-237 white

#312.062

EAC-301

SKA1123

SKA1124

6-2

Model403B

REFERENCE
DESIGNATOR

-hp-

PART

NO.

TQ

Table

6-1.

Replaceable

DESCRIPTION

Parts

(Cont'd)

MFR.

MFR.

Section

PART

VI

NO.

Q7
Rl

R2
R3,

R4
R5
*R6

R7
R8
R9
RIO
R11

R12
R13
R14
R15
R16

R17
R18
R19
R20
R21

R22
R23
R24
R25
R26

R27
R28
R29
R30
R31

R32 0687-1031 R:
R33

R34
R35
R36

R37

R38

R39

R40

R41

R42

R43

R44

R45

R46

R47

Sl

S2

S3

1853-0016
0727-0287

0727-0443

2100-0390
0727-0056
0687-8251

0698-4493

0758-0022 1 R:
0687-1541
0687-4721
0693-1021

0687-5621
0687-1221 1
0687-1531
0687-6831
0687-6821

0727-0103

403B-26A

403B-26B

0727-0084

403B-26C

0727-0096

403B-26D

0758-0074

0758-0076

0758-0073

0687-1031

0727-0017

2100-0240

0727-0050

403A-26G 1 R:

2100-0154
0758-0048
0687-3911
0687-1031

0686-3015
0687-3331
2100-0391 1
0687-5621 R:
0687-3331

0687-2211
0687-3921
0687-2241
2100-0144
0687-4721
0758-0007

403B-19W 1
403B-19A
7123-0101

3101-1234

1
1

1
1
1 R:
1

1
1

2
1

2

1
1
1

1
1
1
1
1

1 R:
1 R:
1
1
1

2
1

1
1

1
1
1

1
2

1
1 R:
1
1

1

1
1
1

PNP

TSTR:

fxd

R:

fxd

R:

var

R:

fxd
fxd

R:

fxd

R:

fxd
fxd

R:

fxd

R:

fxd

R:

fxd

R:

fxd

R:

fxd

R:

fxd

R:

fxd

R:

fxd

R:

fxdww3.

R:

fxdww1.

R:

fxd

R:

fxdww341.

R:

fxd
fxd
fxd

R:

fxd

R:

fxd

R:

fxd

R:

fxd

R:

varww50n

R:

fxd

R:

fxd
fxd

var

R:

fxd

R:

fxd

R:

fxd

R:

fxd

R:

fxd

R:

varwwlkn

R:

fxd
fxd

R:

fxd

R:

fxd
fxd

R:

var

R:

fxd

R:

fxd

R:
Assembly

includes:C2thru

Assembly

includes:

Washer

Function

Switch-Slide:

2N3638

comp2M±1%
comp

comp
carbon
comp8.2M

flm34kn±1%
comp

82kn
comp
comp4.7kn
comp

comp5.6kn
comp1.2kn
comp
comp
comp6.8kn

carbon

carbon

carbon

ww

158.

met

oxide

met

oxide

met

oxide

comp
carbon

carbon

ww

2

sect

comp

comp

met

oxide 8.
comp
comp

comp
comp

comp5.6kn
comp

comp
comp3.9kn
comp

comp
comp4.7kn
met

oxide
RANGE
FUNCTION

R42 and R43

fluorescent

Switch Knob

1/2

19.

lkn

±1%

dual

flm

150kn
lkn

15kn
68kn

flm
41kn
081kn

flm

9n

flm

In

10kn

flm

±20%

flm

10kn

lkn

390n
10kn

300n
33kn

±20%
33kn
220n
220kn

250kn

DPDT

1/2

2k and 6k

216

ohms

±10%

1/2

1/8

±5%

1/2

±10%

1/2

±10%

1/2

±10%

1/2

±10%

1/2

±10%

1/2

±10%

1/2

±10%

1/2

±10%

1/2

1080n

±1%

±O.2%1/2

±O.2%1/2

634n±1%

±O.

2%

1/2

920n

±1%

±O.

2%

1/2

27kn

±5%

68kn

±5%

24kn

±5%

±10%

1/2

37.

35n

1 W

180n

±1%

30n

±10%

1/2

±30%

3/10

2kn

:lr5%

±10%

1/2

±10%

1/2

±5%

1/2

±10%

1/2

1. 25 W

±10%

±10%

1/2

±10%

1/2
±10%
±10%

±30%

±10%

150n

±5%

switch3sect12pos

C6, A3,

switch2sect3pos

irrlicator

115-230V

01295

W

W

19701
19701
71590

19701
01121

07115
01121
01121
01121

01121
01121

01121

01121

01121

19701

-hp-

-hp-

19701

-hp-

19701

-hp-

07115

07115 C5

07115

01121

19701 DC

11236

19701

-hp-

01121

11237

07115 C5

01121

01121

01121

01121

11236
01121
01121

01121
01121
01121

11237

01121
07115

-hp-

-hp-

-hp-

82389

W

W

ohms

1-1/4

±1/2%

1/2

W

W 91637

W

W
W

W

W

W
W
W

W

1/2

W

W

W

1/2

W

W

1/2

W

W

1/2

W

1/2

W

1/2

W

W

±1/2%

1/2

W

1/2

W

W

W

1/2

W
W
W

W

W

1/2

W

W

W

1/2

W

1/2

W

0.2

W

1/2

W

1/2

W

and

R17

thru'R23

for

use

with

2N3638

1/2

CR5

DC

1/2

CR5

DC

Series

Type

1/2

AR5

DC

EB

825J.

CMF-l/I0-32
C20
EB

1541
EB4721
HB 1021

EB

5621
EB

1221
EB

1531
EB

6831
EB

6821
DC

1/2

CR5

DC

1/2

CR5

DC

1/2

CR5
C5
C5
EB

1031
1/2

CR5
Series

110

1/2

CR5

DC

EB

1031

UPE70

C5

EB

3911

EB

1031

EB

3015

EB

3331

Series

110

EB

5621

EB

3331

EB

2211

EB

3921

EB

2241

UPE70

EB

4721

C5

11A-1242A

73-2

T-l

6-3

section

VI

REFERE
DESIGNATOR

Tl
WI
XFl

CE

-hp-

PART

9100-0172
8120-1348

1400-0008 1

00403-90008

NO.

Table

TQ

1
1

·1

6-1.

Replaceable

Transformer
Assembly

Holder

fuse

Operating

Parts

DESCRIPTION

cable

power

1/2"

wide

3/16"

MISCELLANEOUS

and

service

Manual

(Cont'd)

thick

1-5/8"

MFR. MFR.

98734

70903

long

75915

-hp-

6-2249
KHS-7041

3510-11

Model403B

PART

NO.

6-4

,-

..

Model403B

Table

6-2.

Mechanical

Parts

Section

VI

Cabinet

Parts

CD

0[):

> >

:

>

Item

Number

1

2
3

4

5
6
7

8

9

10

~

Stock

No.

5060-0702
1490-0031

5040-0700
5060-0727
5020-0700
5000-8563
5060-8547

5000-8564
00403-00202
00403-00203

Frame
Stand:
Hinge

Foot
Spacer

Cover:

Cover

Cover

Panel:

Panel:

(See

Description

Assembly
Tilt

Assembly

Side
Assembly:
Assembly:

Rear

Front

Figure

6-1.

Note

Top
Bottom

)

6-5

Section

VI

Table

6-2.

Mechanical

Parts

Model403B

(Cont'd)

NUMBER ON
ILLUSTRATION
ON FIGUa,E

1

2
3

4

5

6

7
8

9

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

44

45
46
47
48
49

50
51
52
53
54

55

56
57

6-6

6-1

Indicator,

Retainer
Insulation,
Knob,
Special

Wafer,

Panel,
Meter,

Neon

clip

vinyl

barw/indicator,

washer
fluorescent

front

0-100

or

Meter,

0-100
3/8"-32x1/2"
AC

shield
Vertical
Bushing,

6.32x5/16"
Assembly
Screw
Screw
Cover
Assembly,
Battery
Screw,
Screw
Not
Rear
Side
Switch
Side

shield

threaded

nut, hex.

FUNCTION Switch: 2
6-32x3/8
6-32 x
1/3

module8inch

printed

holder

6-32x1-1/2

6-32x3/8

assigned

panel,

frame

1/3

6 x 8

shield

cover,

6 x 8,
Sameas15
Bottom
Assembly

Same

6.
#6

cover

RANGE Switch: 3

as

15

32x5/16"

split

lock,

nut

sameas16
Spacer

No. 6 x
318"IDx
#6
3/8"
#6
Tinnerman

internal

internal

solder

5/8"ODflat

lock

lug

retainers

sameas9

Same

as

solder

13

shaft

lug

Coupler,

#10

sameas43

#10

internal-external

#10

internal

lock
InsulatorB.P.
Hinge

stand,

third

binding

binding

trim,

nickel

mod.

dial

binding
binding
binding

third

resistor

Foot

assembly,
Assembly,
Insulator,

Spacer
Assembly,
Assembly,
Assembly,
Meter

Battery,
Assembly,

NAME/DESIGNATOR

tubing

(specify1"length)

black

3/8

inchODx

J1.A
J1.A

indicator

dc

(403B)

dc,

DB

for

Scale

nut, hex.

3/8-32

w/lock

flat

head

3/8

flat

head

phillips
slot

deep,

circuit

binding

pan

head

module,

1/2

sub-module

SM

1/3

module,8inch

SS

5/16

washer

washer

lock

(heavy)

washer

"L"

1/4"

lock

washer

washer

double without

tilt

third

mod.

post:

double

post

post:

black

post:

red

post:

black

mod.

cadmium,

6.25

board

0.26

inch

with

ID
Function

use

(Option 01)

sect,3pos

drive

drive

top

head

with

lock

recess

DP

sect,12pos

locating

key

keyed

w/strap

V nom. 225 mAh

SwitchKnob

STOCK NUMBER

See DS1,

table
0510-0123
0890-0057
0370-0087
3050-0014
7123-0101

00403-00203

See M1,

Table

2950-0001
403B-6D
403B-6A
1410-0003
2420-0001

See

S2,

Table
2370-0013
2370-0002

5060-8547

See A1,

Table

5040-0615
2370-0010
2390-0010

00403-00202

5060-0702
403B-6B

5000-8563

5000-8ij69

See

Sl,

Table

2420-0002

2190-0n06

0380-0007

3050-0067

2190-0007

2190-0022

0360~042

0590-0039

5020-0237
0360-0007

2190-0028

2190-0011

0340-0086

5040-0700

1490-0031

5060-0727

403B-99

0340-0090

0400-0084

See

J1,

Table

5020-6852

See

BTl,

See A3,

2,3,4,

Table

6-1

6-1

6-1

6-1

6-1

6-1

6-1

Table

6-1

Model403B

Section

VI

Figure

6-1.

Exploded

V·

lew

6-7

Appendix A

CODE

LIST

The

following code

(Name to Code) and H4-2 (Code to Name) and
supplements
suppliers

not

numbers

are

from

the

used

appearatthe

appearingintheH4Handbooks.

bottomofeach

OF MANUFACTURERS

Federal

their

Supply Code

latest

page.

for

supplements.

Alphabetical

Manufacturers

The

dateofrevision

codes

have

Cataloging

been

arbitrarily

Handbooks H4-1

and

the

dateofthe

assigned

Model403B

to

Cod.

No.

Manufoctur~

00000

U.S.A.

00136
00213
00287
00334

00348
00373
00656
00779

00781
00815

00853

00866

00891

00929

01002

01009

01121

01255

01281

01295

01349
01589

01930
01961
02114

02116

02286
02660

02735

02771
02777

03508

03705
03797
03818
03877
03888
03954

04009

04013

04062
04222
04354
04404

04651

04713

04732

04773
04796
04811
04870
04919

05006

05277

Common

MCCoy

Electronics

Saee

Electronics
Cemco
Humidial Colton, Calif.
Microtron Co., Inc. Valley
Garlock
Aerovox
Amp.
Amrafl

Norlhern

Saneamo
Goe

Eneineerine

CarlLHolmes

Microlab Inc. Livineston,N.J.
General

Alden

Allen

Litton Industries,

TRW

Texas

Transistor Products Div. Dallas,

The

Alliance

PacifiC Relays,

Amerock
Pulse Eneinetrine
Ferroxcube

Wheelock

Cole
Amphenol·Borg

Radio

and

Vocallne
Hopkins

G.E.Sem
Apex

Eldema

Parker

Transitron Electric

Pyrofllm Resistor Co., Inc.
Singer

Finderne Plant Sumerville,

Arrow,

Taurus

Arco
HI·Q
PreCIsion
Dymec

Sylvania

Device

Motorola, Inc.,

Filtron Co.,

Automatic Electrrc
Sequoia
PreciSion
P.M.Motor
Component

Twentieth

Wesllnghouse

Seml·Conductor

Corp.

Inc. Danielson,

Inc.

Corp.

Inc. Harrisbure,

Radio

Corp.

Eneineerine Laboratories,
Electric Co., Pickens Div.

Co.

Corp.

Electric Co., Capacitor

Products

Co.

Bradley

Co.

Semiconductors,

Instruments, Inc.,

Mfe.

Inc.

Corp.

Corp.ofAmerica

Siena

Is, Inc.

Rubber

and

Plastics Inc.

Electronics

Corp.ofAmerica,

Materials

Div.

Co.ofAmerica,

Engineering

Iconductor

Machine&Tool

Corp.

Seal

Co.

Co., Diehl Div.

Hart

and

Hegeman

Corp.

Electronic

Inc.

DiVisionofAerovox

Paper

Tube

DiVisionofHewlett·Packard

Electric Products,

Dlv.

Semiconductor

Inc.

Western

Wire

Co.

COil

Sprine

Company

Mfg.

Service

Century

Electric

Dept.

Mount

Inc.

Inc.

Co.

Co.

Corp.

Semiconductor

Inc.

Co.

Prod.

Dept.

Co.

Corp.

Elect.

Co.

Microwave

Mountain

Div.

Co.

Co.

Co.

W.

Plastics, Inc.

Corp.

Any

New

CityofIndustry, Cal.

Los

Hudson

Beverly H

Old

San

Los

CearKnolls,

Myrtle

Prod.

Culver City, Calif.

Redwood

Brideewater,

Los

Address

supplierofU.

Holly

Sprines,

Rochester,N.Y.

Conn.

Stream,N.Y.

Cherry

Hill,N.J.

Bedford,

Mass.

Boonton,N.J.

Inc.

Burlineton,

Wis.
S.

Pickens,

Aneeles, Calif.

Dept.

Falls,N.Y.

Brockton,

Mass.

Milwaukee,

Wis.

ills,

Calif.

Lawndale, Calif.

Texas

Alliance,

Van

Santa

Saueerties,N.Y.

Lone

Sunnyvale,

Wakefield,

Co.

Lambertville,N.J.

Great

Palo

Phoenix, Arizona

Westchester',

Younewood,

Ohio

Nuys,

Calif.

Rockford,

Clara, Calif.

Branch,N.J.

Calif.

Chicago,
Somerville,N.J.

Saybrook,

Conn.

Fernando,

Calif.

Syracuse,N.Y.

Dayton,

Ohio

Compton,

Calif.

Angeles, Calif.

Mass.

N.
N.

Hartford,

Conn.

Neck,N.Y.

Beach,S.C.

Wheeling,

Co.

Alto, Calif.

View, Calif.

Div.

Northlake, III.

City, Calif.

EI

Monte,

Calif.

Mass.

Angeles, Calif.

Pa.

S.

Pa.

Pa.

C.

III.

III.

J.

J.

III.

III.

Code

No. Manufacturer

UItronix, Inc.

05347

Union

05397

05574

05593
05616

05624
05728

05729
05783

05820

06004

.

06090
06175
06402
06540

06555
06666

06751

06812

06980

07088
07126
07137
07138

07149
07233
07256
07261
07263

07322
07387

07397

07700
07829
07910
07933

07980

08145
08289
08358

08524
08664
08717
08718

08727
08792

08984
09026
09134

09145

09250
09569

10214

Carbide

Ind.

VikIng
IlIumltronlc Engineering
Cosmo

Plastic

(c/o Electrical

Barber

Colman

Tiffen Optical
Metro·Tel

Stewart

Engineering
Wakefield
Bassick Co., Div.ofStewart

Raychem
Bausch

and
E.T.A.
Amalom

Beede

Electrical Instrument Co.,

General

Semcor

Div.

Torrington
Varian

Assoc.
Kelvin Electric
Dlgltran

Transistor Electronics

Westinghouse

Electronic
Filmohm
Cinch·Graphik

SilIcon Transistor
Avnet

Corp.

Fallchlld

Semiconductor
Minnesota
Blltcher Corp.,
Sylvania

Technical
BodIne

Elect.
Continental
Raytheon

Semiconductor

Hew

lell·P

U.S.Engineering
Blinn, Delbert
Burgess

Deutsch
Bristol Co.,
Sloan

Company

ITT

Cannon

National

CBS

ElectronIcs

Operations,

Mel-Rain

Babcock
Texas

Capacitor

Tech.

Ind.

Eleclro Assemblies,

Mallory Battery

Canada,

General

TranSistor

Corp., Linde

Inc.

Spec.

Co.

Co.

Roslyn

Corp.

Co.

Engineering Inc. Wakefield,

Corp.

Lomb

Optical

Products

Co.ofAmerica

Electronic

Hardware

Devices Co., Inc.

Components

Mfg.

Co.,

Eimac

Co.

Co.

Electric

Tube

Div. Elmira,N.Y.

Corp.

Co.

Corp.

Camera

& Inst.

Div.

Rubber

Co.

The

Elect.

Prod.

Wire

Products Inc.

Co.

Device

Corp.

Mfg.Co..

Dlv.

ackard

Co.

,

Co.

Co.

Battery

Co.

Niagara

Fastener

Corp.

The

Electric Inc.,

Radio

Lab.

Inc.

Semiconductor

DivofC.B.S.

Relays

Div.

Co.

Inc.

Atohm

Inc.

Co.

of

Ltd. Toronto. Ontario,

Western

San

Div.,

Kemet
Cleveland,

Canoga

Co.

Sunnyvale,

Co.)

Cleveland,

Heights,

Long

Westbury,N.Y.

Santa

Warner

Bridgeport,

Redwood

Co.

Rochester,N.Y.

Co., Inc.

New

Rochelle,N.Y.
Inc.
Penacook,N.H.

Indianapolis,

Inc.

West

Div.

Van

Dlv.

San

Van
Pasadena,

Corp.

Minneapolis,

Corp.

New

CityofIndustry, Calif.

Carle

Culver

Corp.

Mountain

Minneapolis,

Monterey

Inc.,

Mt.

View

Mountain

Hawthorne,

Mountain

Boonton

Radio

Rockaway.

Los

Angeles,

Falls, Ontario,

Los

Angeles,

Waterbury,

Sun

Phoenix

PhoeniX,

Inc.

Indianapolis,

Costa

Houston,

Elect.

Burbank,

Corp.

Los

Angeles,

Phoenix, Ariz.

Carlos, Calif.

Cranlord,N.J.

Pomona,

Valley, Calif.

Div.
Paramus,N.J.

Lowell,

Address

Mateo,

Calif.

Dept.

Park,

Calif.
Calif.

Rockford,

Island,N.Y.

Cruz,

Calif.
Mass.

Corp.

Conn.

City. Calif.

Chicago,

Nuys,

Calif.

Nuys,

Calif.

,Calif.

Minn.

York,N.Y.

Place,N.Y.

City, Calif.

View, Calif.

Minn.

Park, Calif.

Operations

View, Calif.

Chicago,

Calif.

View. Calif.

Div.

Calif.

Calif.

Canada

Calif.
Conn.

Arizona

Mass.

Mesa,

Calif.
Texas

Calif.

Chicago,

Canada

Calif.

Ohio

Ohio

Ind.

N.

Ind.

Code

No.

Manufacturer

10411

Ti-Tal, Inc.

10646

Carborundum

11236

CTSofBerne,

11237

Chicaeo

11242

Bay

11312

Teledyne

11314

III.

III.

III.

J.

III.

National

11534

Duncan

11711

General

11717

Imoerral

11870

Melabs,

12136

Philadelphia

12361

Grove

12514

Gullon

12697

Clarostat

12728

Elmar

12859

Nippon

12881

Metex

12930

Della

12954

Dickson

13103

Thermolloy Dallas,

13396

Telefunken

13835

Midland-Wright Div.ofPacific Industries, Inc.

14099

Sem·Tech

14193

Calif.

14298

American

14433

ITT

14493

Hewlell·Packard

14655

Cornell Dublier Electric

14614

Corning

14752

Electro

14960

Williams

15203

Webster

15287

SClonlcs

152ql

Adjustable

15558

Micron

15566

Amprobe

15631

Cabletronlcs

15772

Twentieth

Fenwal

15801

Amelco

15818

Spruce

16037

Omni-Spectra

16179

Computer

16352

Ideal

16688

Delco

16758

Thermonet,cs

17109

Tranex

17474

HamlIn

17675

Angstrohm

17745

McGraw-Edison

17870

Power

18042

Clevlte Corp.,

18083

Signetics

18324

Ty·Car

18476

TRW

18486

Curlis Instrument, Inc.

18583

Vlshay

18612

LI.

18873

Durant

18911

The

19315

Co.

Inc.

TelephoneofCalifornia, Inc.

Slate

Electronics

Inc.,

Microwave

Seal
Electronics Inc.
Instrument Corp.,

Div., Products

Electronic, Inc.

Inc.

Handle

Mfg.

Co.,

Inc.

Ind.

Inc.

Data

MIg.

Co.

Filler

Corp.

Electrtc Co., Ltd.
Electronics
Semiconductor

Electronics

(GmbH)

ReSistor

Corp.

Components,

Semiconductor,

&

Telegraph

Corp.

Company

Glass

Works

Cube

Inc.

Mfg.

Co.

Electronics

Corp.

BUShing

Electronics

lnst.

Corp.

Century

Elect. Inc.
Inc.

Pine

Mica

Co.

Inc.

Diode

Corp.

P,ec.

Meter

De

Jur

Meter

D,v.

RadiO

Dlv.ofG.M.

Inc.

Company

Metal

Products

Prec.

Inc.

Co.

DeSign

Paclfrc

Semiconductor

Corp.

Mfg.

Co., Inc. Holliston,

Elect.

Compo

Intertechnology.

DuPont

and

Co., Inc.

Mfg.

Co.

BendiX

Corp.,

Niagara

So.

Corp.

Div.

Semiconductor

Group

Co.

System

Div.

Corp.

Inc.

Newport

Corp.

Kansas

Newbury

Santa

Inc..Conshohocken,

A Dlv.ofInt.

West

Corp.

Co.
Co.

N.

Garden

City,

Coil

Spring

Co., Inc.

Corp.

Canoga

Mountain

Corp.

No.

Inc.

Div.

Dlv.

Inc.

NaVigation&Control

Address

Berkeley, Calif.

Falls,N.Y.

Berne,

Pasadena,

Calif.

Wallham,

Mass.

Palo

Alto, Calif.

Downey,

Costa

Buena

Albuquerque,N.M.

Scottsdale, Arizona

San

Long

Costa

Co.

Santa

Framingham.

Spruce

Calif.

Mesa,

Calif.

Newark,N.J.

Park,

Calif.

Palo

Allo, Calif.

Camden,

Grove,

Dover,N.H.

W.

Haven,

Tokyo,

Clark, N.J.

Beach,

Calif.

Texas

Germany

City,

Kansas

Park, Calif.

Monica,

Calif.

Telephone

Beach,

Loveland,

Newark,N.J.

Corning,N.Y.

Gabriel, Calif.

San

Jose,

Calif.

New

York,N.Y.

Island,N.Y.

Lynbrook,N.Y.

Mesa,
Clara, Calif.

Mt.

View, Calif.

Pine,N.C.

Detroit, III.

Lodi,

Brooklyn,N.Y.

Kokoma,

Park,

Calif.

View, Calif.

Akron,

Alto, Calif.
Alia, Calif.

Calif.
Mass.

Des

Plaines, III.

Mt.

Kisco.N.Y.

Malvern,

Wilmington,

Milwaukee,

Div.

Teterboro,N.J.

N.J.

Conn.
Japan

Colo.

Calif.

Mass.

N.

Wis.

Shady

Hanover,

Palm

Northridge. Calif.

Hollywood, Calif.

Hollywood, Calif.

Manchester,N.H.

Palo
Palo

Sunnyvale,

Ind.

Pa.

Pa.

Fla.

Ind.

OhiO

Pa.

Del.

J.

00015-45

ReVised:

Aprrl,

1968

From:

FSC.

H4-1

H4-2

Handbook

Dated
Dated

Supplement.
AUGUST
NOV.

1962

1966

Mode1403B

Appendix A

Code

No.

Manufacturer

19500

ThomasA.Edison

McGraw·Edison

19589

Concoa

19644

LRC

19701
20183

21226

21335
21520

23783

24455

24655

24681

26365
26462

26851

26992

28480
28520
30817

33173

35434

36196

36287

37942

39543

40920

42190

43990

44655
46384

47904

48620

49956"

52090

52983

54294

55026

55933

55938

56137

56289
59446

59730
60741
61775

62119
63743
64959
65092
66295
66346

70276

70309
70318

70417
70485
70563

70674
70903

Electronics

Electra

Mfg.
General
Executone, Inc.

Fafnll

Fansteel Metallurgical
Blltish
G.E.Lamp

General

Memcor

Gries
Grobet

Compac/Hollister
Hamilton
Hewlelt-Packard

Heyman

Instrument Specialties Co.,

G.E.Receiving
Lectrohm
Stanwyck

Cunningham,W.H.&Hill,

P.R.Mallory &
Mechanical Industries
Miniature Precision Bearings, Inc.
Muler
C.A.Norgren
Ohmite
Penn
Polaroid
PreciSion

Microwave &
Rowan
Sanborn
Shallcross
Simpson
Sonotone
Raytheon

SpaL
Sprague
Telex
Thomas
Triplett Electrical Inst.
Union

Universal Electric
Ward·Leonard
Western
Weston
Wittek

Minnesota Mining &

Allen
Allied Control
Allmelal

Amplex,

Atlantic India
Amperrte
ADC
Belden

Co.

Atronics

Bearing

Co.,

Radio

Electronics Ltd.

Division

Radio

Co.

Inc.,

Compo

Reproducer

File

Co.ofAmerica, Inc.

Watch

Mfg.

Co.

Inc.
Coil Products Ltd.

Co.

Co.

Mfg.

Co.

Eng.&Mfg.

Corp.

Thermometer

Power

Controller

Company

Mfg.

Electric

Corp.

Co.

Commercial

Systems

Div.

.Ing Fibre Co., Inc.

Electric

Corp.

& Betts

SWitch

and

Westinghouse

Electric

Electric Co., Inc.

Inst. Inc.

Mfg.

Co.

Mfg.

Co.

Screw

Product Co.,

Div.ofChrysler

Rubber

Co., Inc.

Products Inc. Minneapolis,

Mfg.

Co.

Industries, Div.

Co.

Corp.

Corp.

Co.

Co.

Co.

Tube

Co.

Corp.

Co.

Co.

Co.

Co.

Co.

Signal. Div.

Air

Co.

Weston-Newark

West

Baldwin Park, Calif.

Independence,

Long

The

New

Corp.

Nela

Park, Cleveland,

West

Div. Huntington,

New

Inc.

Oept.

Hawkesbury, Ontario,

Ltd.

Toronto Ontario,

Inc. Indianapolis,

Prod.

Co.

& Inst.

Co.

Tube

Div.

Apparatus &

So.

North

Co.

of

Brake

Co.

Co.

Revere

Mfg.

Co.

Inc_

Garden

Corp.

Works,

Inc. Chicago, III.

CODE LIST OF

Address

of

Orange,N.J.

Horseheads,N.Y.

Kansas
Philadelphia,
Island City,N.Y.

Britain,

Conn.

N.

Chicago, III.

Washington,D.C.

Ohio

Concord,

Mass.

Rochelle,N.Y.

Carlstadt,N.J.

Hollister, Calif.

Lancaster,

Palo Alto, Calif.

Kenilworth,

Little

Englewood, Colo.

Cambridge,

Southampton,

Westminster,

Tonawanda,N.Y.

Mt.

Union

Falls,

Owensboro,

Chicago, III.

Canada

Canada

Akron,
Keene,N.H.
Chicago, III.

Skokie,

Doylestown,

Mass.

Waltham,

Mass.

Waltham,

Mass.

Selma,N.C.

Chicago, III.

Elmsford.N.Y.

Norwalk,

Conn.

Adams,

Mass.

Tulsa, Okla.

Elizabeth,N.J.

Bluffton,

Pittsburgh,

Owosso,

Mich.

Vernon,.N.Y.

New

York,N.Y.

Newark,N.J.

Chicago, III.

Mincom

Div.

St.

Paul,

Minn.

Hartford,

Conn.

New

York,N.Y.
City,N.Y.

Detroit,

Mich.

City,

Minn.

Chicago, III.

N.

N.

Ohio

Ohio

N.

Ind.

Pa.

Ind.

Pa.

Ky.

Pa.

Md.

Pa.

MANUFACTURERS

Code

No.

Manufactuntr

70998

Bird Electronic

71002

Birnbach

71034

Bliley Electric Co., Inc. Erie,

71041

Boston

of

71218

Bud

71279

Cambridge

71286

Camloc

71313

Cardwell

Bussmann

71400

'1436

Chicago

71447

Calif.

71450

CTS

71468

ITT

71471

Cinema,

71482

C.P.Clare&Co.

71590

Centralab Div.ofGlobe

71616

J.

J.

III.

Pa.

J.

Commercial

71700

Cornish

71707

Coto

71744

Chicago

71785

Cinch

71984

Dow

72136

Electro Motive

72619

Dialight

72656

Indiana

72699

General

72765

Drake

72825

HughH.Eby

72928

Gudeman

72962

Elastic

72964

RobertM.Hadley

72982

Erie Technological Products, Inc. Erie,

73061

Hansen

73076

H.M.Harper

73138

Helipot

73293

Hughes

Aircraft

73445

Amperex

73506

Bradley

73559

Carling ElectriC, Inc. Hartford,

73586

Circle F

73682

GeorgeK.Garrett Co., Div.

Industries Inc. Philadelphia,

73734

Federal

73743

Fischer

73793

General

73846

Goshen

73899

JFD

73905

Jennings

73957

Groov·Pin

74276

Signalile Inc.

74455

J.H.Winns,

74861

Industrial

74868

R.F.Products DivisionofAmphenol·Borg

Electronics

74970

E.

F.

75042

International Resistance

75263

Keystone

75378

CTS

75382

Kulka Electric Corporalion

75818

Lenz

75915

Littlefuse, Inc.

76005

Lord

Corp.

Radio

Co.

Gear

Works

Texas

Radio,

Spring

Corp.

Cannon

Coil Co., Inc. Providence,

Mfg.

Corning

Mfg.

Electronics

Johnson

Knights Inc.

Electric

Mfg.

Div.ofMurray

Inc. Willoughby,

Thermionics

Fastener

Condenser

Mfg.

Condenser

Div.

Wire

Miniature

Corp.

General

Instrument Corp.,

Co.

Stop

Mfg.
D,v.ofBeckman

Products DiVisionofHughes

Co.

Elect

Semiconductor

Mfg.

Screw
SpeCial
Industries Co.,

Stamping

Radio

Corp.

Condenser

Carbon

Co.

Corp.

Corp.

Corp.

Lindenhurst

Div.ofMcGraw-Edison

Corp.

Co., Inc.

Electric Inc.

Aerovox

Plastics

Co.,

The

Lamp

Co.,

HowardB.Jones

Corp.

Mfg.

Corp., Electronics Div.

Co.

Inc. Philadelphia,

Nut

Corp.

Co.

Co., Inc. Princeton,
Co.

Co.

Co.

Products Inc. Chicago, III.

Mfg.

& Tool

Corp.

Mfg.

and

Sons

Corp.

Co.

Co., Inc.

Mfg.

Pico-Rivera, Calif.

Los Angeles, Calif

Corp.

Union

Inc.

Co.

Works

Co., Inc. Willimantic,

Cap.

Harwood

Los Angeles, Calif.

Inst., Inc.

Newport

Hicksville,

Corp.

New

MSL

Co.

The

Co.

Corp.

Winchester,

Corp.

Co.

Co.

Address

Cleveland,

New

York,N.Y.

Co,

Quincy,

Cambridge,

Paramus,

L.I.,N.Y.

Co.

St.

Louis,

Chicago, III.

Elkhart,

Burbank,

Chicago, III.

Milwaukee,

Chicago, III.

New

York,N.Y.

Chicago, III.

Div.

Chicago, III.

Midland, Mich.

Brooklyn,N.Y.

Keasby,N.J.

Div.

Newark,

Heights, III.

Chicago, III.

Union,N.J.

Chicago, III.

Fullerton, Calif.

Beach,

L.I.,N.Y.

Haven,

Trenton,N.J.

Cincinnali,

Elyria,

Goshen,

Brooklyn,N.Y.

San

Jose,

Ridgefield,N.J.

Neptune,N.J.

Chicago, III.

Danbury,

Waseca,

Philadelphia,

St.

Marys,

Sandwich,

Mt.

Vernon,N.Y.

Chicago, III.

Des

Plaines, III.

Erie,

(Cont'd)

Ohio

Pa.

Mass.

Ohio

Mass,

N.J.

Mo.

Ind.

Calif.

Wis_

R.1.

Conn.

N.

J.

Pa.

Pa.

Ind.

Calif.

Conn.
Conn.

Pa.

Ohio
Ohio

Ind.

Calif.

Mass.

Conn.

Minn.

Pa.
Pa.
III.

Pa.

Cod.

No.

Manufacturer

76210

C.W.Marwedel

76433

General

Instrument Corp.,

76487

James

Millen

Mfg.

76493

J.W.Miller

76530

Cinch-Monadnock, Div.ofUnited

Fastener

76545

Mueller Eleclric

76703

National

76854

Oak

Manufacturing

77068

The

Bendix Corp., Electrodynamics Div.

77075

Pacific Metals

77221

Phanostran

77252

Philadelphia

77342

American

& Brumfield Div. Princeton,

77630

TRW

77638

77764
77969
78189

78277
78283
78290
78452
78471
78488
78493
78553
78790
78947
79136
79142
79251
79727

79963
80031

80120
80131

80207

80223
80248
80294
80411

80486
80509
80583
80640

80813

81030

81073
81095
81312

81349
81483
81541
81860

82042

Electronic

General

Resistance Products
Rubbercraft
Shakeproof

Sigma

Signal
Struthers·Dunn Inc.

Thompson·Bremer&Co.

Ti

Itey
Stackpole
Siandard
Tinnerman

Transformer Engineers
Ucinite
Waldes
Veeder
Wenco
Conlinental·Will Electronics

Zierick
Mepco

Schnitzer Alloy Products

Electronic Industries Association.

Tube

Unimax

United Transformer
Oxford
Bourns
Acro

Div.ofRobertshaw

All

Star

Avery

Label
Hammarlund
Stevens,
Dimco
Internationat Instruments Inc.
Grayhill
Triad Transformer
Winchester Elec. Div. Litton Ind., Inc.

Military Specification
International Rectifier

Airpax Electronics, Inc.

Barry

Controls,

Carter Precision Electric

Co., Inc.

Co.

Corp.

Co.

Union

Co.

Co.

Instrument

Steel

and

Machine&Foundry

Components

Instrument Corp., Reclifier Div.

Co_

Corp.ofCalif. Torrance, Calif.

DivisionofIllinois Tool

Indicator

Corp.

Mfg.

Co.

Carbon

Co.

Thomson

Corp.

Products, Inc.

Co.
Kohinoor Inc.
Root,

Inc.

Mfg.

Co.

Mfg.

Corp.

DivisionofSessions

meeting

EIA

SWitch,

Electric
Inc. Riverside, Calif.

Products Inc. Defiance,

Gray

Standards-Washington,

Div.

Corp.

Corp.

Co.

Co., Inc.

Arnold, Co., Inc. Boston,

Co.

Co.

Corp.

D,v.

Barry

San

Francisco, Calif.

Micamold

Division

Newark,

Malden,

Los

Angeles,

Carr

San

Leandro,

Cleveland,

Newark,N.J.

Crystal Lake, III.

N.

Hollywood, Calif.

San

Francisco, Calif.

and

Electronic

Co.

South

Pasadena,

Wire

Corp.

Philadelphia,

Co.

Potter

Div.

Camden,N.J.

Brooklyn,
Harrisburg,

Works

So.

Braintree,
NewYork,N.Y.

Pitman,N.J.

Chicago,

San

Francisco, Calif.

St.

Waltham,

Cleveland,

San

Gabriel, Calif.

Newtonville,

Long

Island City,N.Y.

Hartford,

Chicago, III.

Corp.

Philadetphia,

New

Rochelle,N.Y.

Clock

Co.

Morristown,N.J.

Co.

Elizabeth,N.J.

Any

Maxon

Electronics

Wallingford,

New

Chicago, III.

Controls

Co.

Columbus,

Monrovia,

New

Dayton,
Orange,
LaGrange,ItI.
Venice, Calif.

Oakville,

Corp.EISegundo,

Cambridge,

Wright

Corp.

Watertown,

Co.

N.
Mass.
Calif.

Calif.

Ohio

Calif.

Ind.

N.

Elgin, III.

Mass.

Marys,

Mass.

Ohio

Mass.

Conn.

brand

DC.

Corp.

Conn.

York,N.Y.

Ohio

Ohio
Calif.

York,N.Y.

Mass.

Ohio
Conn.

Conn.

Calif.

Maryland

Mass.

Skokie,

J.

Pa.

Y.

Pa.

III.

Pa.

Pa.

III.

00015-45

Revised: Aplll,

1968

From:

FSC.

H4-1
H4-2

Handbook
Dated
Dated

Supplements
AUGUST
NOV.

1962

1966

Appendix

A

CODE

LIST

OF MANUFACTURERS

(Cont'd)

Model403B

Code

No.

MCII'Iufocturer

Sperti

Faraday

82047

Electric Div.

Jeffers Electronics DivisionofSpeer

82142

Carbon

Fairchild

82170

System

Maguire

82209

Sylvania

82219

Electronic

Astron

82376

Switchcraft, Inc.

82389

Metals & Controls Inc.

82647

Phillips·Advance

82768

Research

82866

Rotron

81877

Vector

82893

Carr

83058

New

83086

General

83125

ITT

83148

Victory

83186

Bendix

83298

Hubbell

83315

Rosan

83324

Smith,

83330

Tech

83332

Central

83385

Gavill

83501

Div.ofAmerace

Burroughs

83594

Union

83740

Model

83777

Loyd

8382

I

Aeronauticallnsl. &

83942

Arco

84171

A.J.Glesener

84396

TRW

84411

Sarkes

84970

Boonton

85454

A.B.Boyd

85471

R.M.Bracamonte&Co.

85474

Kolierl

85660

Sea,

85911

Clifton Precision Products Co., Inc.

86197

86579

Precision

86684

RadiO

Compo

87034

Marco

87216

PhilcoCorporation (Lansdale Division)

87473

Western

87664

Van

87930

Tower

88140

Cutler-Hammer,

Inc.,

Co.
Camera

& Inst.

Div.

Industries, Inc.

Electric

Prod.

Tube

Division

Corp.

Control

Products

Corp.

Mfg.

Co., Inc.

Electronic

Fastener

Hampshire

Wire

Scruggs
Electronics Inc.

Capacitor Div. Ogallala,

...

~ss

Industries

Walers&Rogers

Co.

Co.

Ball Bearing, Inc.

Instrument Corp., Capacitor Div.

and

Cable

Eng.

Corp.

Corp.,

Red

Corp.

Inc.

Herman

H., Inc.

Labs

Screw

Co.

Wire

and

Cable

Corp.

Corp.

Electronic

Carbide

Corp.

Eng.

and

Mfg., Inc. Huntington,

Co.

Co., Inc.

Tarzlan, Inc. Bloomington,

Molding

Company

Co.

Kords,

Inc.

Rubber

Co.

Rubber

Products

Corp.ofAmerica, Electronic

& Devices Div. Harrison, N.J.

Fibrous

Glass

Mfg.

Corp.

Inc. Lincoln, III.

Copper

Hewill

Corp.

Inc.

East

Newark,

Spencer

Co.

Div.

Bank

Div.

Newport

Palisade's Park,N.J.

Co.

Tube

Consumer

Radio

Co.

San

San,lFrancisco,
Sall.

Corp.

Products

San

Inc.

San

Address

Hoboken,N.J.

Du

Bois,

Space&Defense

Paramus,N.J.

Greenwich,

Emporium,
Harrison,N,J,

Chicago,

Products

Allleboro,

Mass.

Joliet, III.

Madison,

Woodstock,N.Y.

Glendale, Calif.

Cambridge,

Mass.

Peterborough,N.H.

Darlington,

Los

Angeles, Calif.

Springfield,N.J.

Red

Bank,N.J.

Mundelein, III.

Beach,

Brooklyn,

Chicago,

Brookfield,

Mass.

Div.

Plainfield,

Prod.

Div.

New

York,N.Y.

Festus,

Lodi, N.J.

Great

Neck,N.Y.

Francisco, Calif.

Boonton,

Calif.

Francisco, Calif.

Hamden,

Gonn.

Chicago,

Clifton Heights,

Dayton,

Anaheim,

Calif.

Lansdale,

Co.

Francisco, Calif.
Francisco, Calif.

Providence,R.I.

Pa.

Conn.

Pa.

Wis.

S.

Calif.

N.

N.

Ind.

Mo.

Neb.

Ind.

N.1.

III.

Pa.

Ohio

Pa.

Code

No.

MCII'Iufacturer

88220

Gould·National Balleries,

88698

General

89231
89473
89665

90030

90179

90970

91146

91260

III.

91345
91418
91506
91637
91662
91737
91827
91886
91929

91961

C.

92180
92367
92607

92702

Y.

92966

93332

III.

93369
93410
93632
93929

J.

94137
94144

94148

94154
94197

94222
94330
94375
94682

94696
95023

95236

95238
95263
95265
95275

95348
95354
95566

9m2

95984

95987

Mills, Inc. Buffalo,N.Y.

Graybar

Electric
G.E.Distributing
United

Transformer

United

Shoe

Machinery

US

Rubber

Co.,

Prod.

Div. Passaic,N.J.

Bearing

Engineering
ITT

Cannon

Elect, Inc.,

Connor

Spring

Miller Dial &

RadiO
Augatlnc. Attleboro,
Dale
Elco
Gremar
K F

Malco
Honeywell Inc.,

Nahm·Bros.
Tru·Con
Elgeet Opltcal
Tensolite Insulated

IMC
Hudson
Sylvania

Robbins&Myers

Stevens

Waters

G.V. Controls
General
Raytheon

Scientific Electronics Producls, Inc.

Wagner

Curtiss·Wright

South
Wire
Automatic
Worcester

Magnecraft
GeorgeA.Philbrick

Allies Products Corp.,
Continental
Leecraft
Nalional Coil
Vitramon, Inc.

Gordos
Methode
Arnold

Dage

Siemon

Weckesser

Materials

Electronics,
Corp.

Mfg.

Co., Inc.

Development

Mfg.

Co., Inc.

Spllng

nector

Magnetics

Lamp

Electric

Semiconductor

Mfg.

Mfg.

Co.

Cable

Co.,

Compo

Operations

Elect. Corp.,

Chester

Cloth Products,

Metal

Pressed

Electric

Connector

Mfg.

Corp.

Mfg.

Engineering

Electric Co., Inc.

Mfg.

Co.

Co.

Nameplate

Co., Inc.

Co.

Co.

Co.

Corp.

Co.

Consumer

Mfg.

Co.

Co.

Inc.

Co.

Micro

Co.
Corp.
Co.

Inc.

Wire

Corp.

Co.

Prod.
Div.
Inc.

Corp.

Compo

Corp.

Corp.

Producls

Aluminum

Co.

Co., Inc.

Co.

Inc.

Corp.

Ind.

Co.

San

Salem

San

Co.

Redwood

Switch

Div.

Co., Inc.

Wesbury

Inc.

Palisades

Div.,

Ind.

Tung·Sol

Electronics Div.

East Paterson,

Inc.

Co.

Corp.

Researchers,

Corp.

Rolling

Address

SI.

Paul,

Oakland,

Schenectady,N.Y.

Chicago,

Beverly,

& Plastics

Francisco, Calif.

Div.

Salem,

Francisco, Calif.

EI

Monte,

Chicago,

Columbus,

Willow

Grove,

Wakefield,

City, Calif.

Chicago,

Freeport, III.

Oakland,

Peabody,

Rochester,N.Y.

Tarrytown,

Long

Island,N.Y.

Kearney,N.J.
Woburn,

Park,N.J.

Mansfield,

Culver

City, Calif.

Livingston,

Bayonne,N.J.

Quincy,

Loveland,

Div.

Newark,N.J.

Chester,

Bellwood, III.

Brooklyn,N.Y.

Worcester,

Chicago,

Inc.

Boston,

Dania,

Woodside,N.Y.

Long

Island,N.Y.

Sheridan,

Bridgeport,

Bloomfield, N.J.

Meadows,

Marengo,

Franklin,

Wayne,

Chicago,

Minn.

Calif.

Mass.

Mass.

Calif.
Mass.

Nebr.
Mass.

Calif.
Mass.

N.

Mass.

Ohio

N.

Mass.

Colo.

N.

Mass.

Mass.

Fla.

Wyo.

Conn.

Ind.

III.

III.

Pa.

III.

Y.

J.

J.

Pa.

III.

III.
III.

III.
III.

Code

No.

MCII'Iufoctur.,

96067

Huggins

96095
96256
96296
96330
96341
96501
97464
97539
97979
97983

98141
98159
98220

98278
98291
98376
98731

98734

98821
98978

99109
99313
99378

99515

99707

99800
99848
99934
99942

99957

THE
ASSIGNEDINTHE
FEDERAL
HANDBOOK.

OOOOF
OOOOZ

OOOAB

OOOBB

OOOCS

OOOMM

OOONNA"N"0Mfg_
OOOQQ
OOOWW

ooon

Laboratories

Hi·Q

Div.ofAerovox
Thordarson·Meissner Inc.
Solar

Manufacturing
Carllon

Screw

Microwave

Associates,

Excel

Transformer
Industrial Retaining
Automatic & Precision
Reon

Resistor

Lillon

System

Commun.

D,v.
R·Troncis, Inc.
Rubber

Teck, Inc.

Hewlett·Packard

Microdot, Inc.
Sealectro

Corp.

Zero

Mfg.

Co.

General

Mills Inc.,

Paeco

Div.ofHewlell·Packard

North

Hills Electronics, Inc.

International Electronic

Columbia

Technical

Varian

Associates

Attee

Corp.

Marshall Ind., Capacitor

Control

Switch

of

America

Delevan

Electronics

Wilco

Corporation

Renbrandt,

Inc.

Hoffman

Electronics

Semiconductor

Technology

Instrumenl

FOLLOWINGHPVENDORS

LATEST

SUPPLY

Malco

Tool

Willow

Leather Products

ETA
PreCISion

Instrument

Hewlett-Packard Co.,

Rubber

Eng.&Development

Coollron
California
S.K.Smllh

Corp.

Co.

Co.

Inc.

Co.

Ring

Mfg.

Corp.

Inc.,

Adler·Westrex

Co.,Moseley

Electronics Div.

Research

Corp.

Div.

Division, Controls

Corp.

Corp.

Div.

Corp.ofCalif.

SUPPLEMENTTOTHE

CODE

FOR

and

Die

Components

Colorado

Cotorado

Co_

Easlern

Lab.

Co.

Sunnyvale,

Olean,N.Y.

Mt.

Carmel,

Los

Angeles,

Chicago,

Burlington,

Oakland,

Co.

Irvington,

Englewood,

Yonkers,

New

Rochelle,N.Y.

Jamaica,N.Y.

Gardena,

Div.

Pasadena,

So.

Pasadena,

Mamaroneck,N.Y.

Burbank,

Minneapolis,

Co.

Palo

Alto, Calif.

Glen

Cove,N.Y.

Corp.

Burbank.

New

York,N.Y.

Palo

Alto, Calif.

Winchester,

Monrovia,
Co.

EI

Segundo,

East

Aurora,N.Y.

Indianapolis,

Boston,

EI

Monte,

Newbury

Park,

HAVENONUMBER

MANUFACTURERS

Los

Angeles,

Corp.

Newark,N.J.

Co.

Van

Nuys.

Springs.

Springs,

Hayward,
San

Jose,

Oakland,

Burlinglon, Calif.

Los

Angeles,

Aclclress

Calif.

Calif.
Mass.

Calif.

N.
N.J.
N.Y.

Calif.

Calif.

Calif.
Calif.

Minn.

Calif.

Mass.

Calif.

Calif.

Ind.

Mass.
Calif.
Calif.

Calif.

England

Calif.

Colorado

Calif.
Calif.
Calif.

Calif.

III.
III.

J.

00015-45

Revised:

Aplll,

1968

SUPPLEMENTAL

OOOLM

Newark Denver,

13189

Bunt.

'4163

Phelpe

$one

08300

OUII

Skottte

CODE

Metal

Dodce

Paper

LIST

Product.
Corp.

Tube

Co. Chicaeo.

Co.

OF

MANUFACTURERS

Colorado

mlnal.

New

York.

New York

WUhlngton.

D. C.

Archibald.

Penn.ylvanLJ

From:

FSC.

H4-1
H4-2

Handbook
Dated
Dated

Supplements
AUGUST
NOV

1962

1966

Mode1403B

Appendix B

SALES & SERVICE OFFICES

UNITED

ALABAMA

P.O.

Box

2003 Byrd Sprine
Hlnlsville
Tel: (205) 881·4591
TWX:

ARIZONA

2336E.Magnolia SI.
Phoenix 85034
Tel: (602) 252·5061
TWX:

5737 East Broadway
Tucson 85716
Tel: (602) 298·2313
TWX:

910·952·1162

CALIFORNIA

1430 East Orangethorpe
Fullerton 92631
Tel: (714) 870·1000

3939 Lankerehim Boulevard
North Hollywood 91604

Tel: (213) 877·1282
TWX:

910·499·2170

1101

Embarcadero
Palo Allo 94303
Tel: (415) 327·6500
TWX:

910·373·1280
2220

Sacramento 95825
Tel: (916) 482·1463
TWX:

910·367·2092
9606 Aero Drive

san 01'10 92123
Tel: (714) 279·3200
TWX:

910·335·2000

COLORAOO

7965 East Prentice
£nllewood 80110
Tel: [phone]
TWX:

910-935'0705

4207

35802

810·726·2204

910·951·1330

Wall

Ave.

STATES

Road

Road

CONNECTICUT

508 Tolland Street
East Hartford 06108

S.W.

Tel: (203) 289·9394
TWX:

111
Norwalk 06851
Tel: (203) 853·1251

TWX:

FLORIDA

P.O.
2806W.Oakland Park Blvd.
FI.
Tel: (305) 731·2020
TWX:

P.O.

Ave.

Herndon Station 32814

621

Orlando
Tel: [phone]
TWX:

GEORGIA

P.O.
450 Interstate North
Allanta 30328
Tel: (404) 436·6181
TWX:

ILLINOIS

5500 Howard Street

Skokie 60076
Tel: [phone]
TWX:

INDIANA

3839 Meadows Drive
Indianapolis 46205
Tel: [phone]
TWX:

710·425·3416

East Avenue

710·468-3750

Box 24210

lauderdale

33307

510·955·4099

Box

20007

Commonweallh Avenue

810-850'0113

Box 28234

810-766-4890

910-223·3613

810-341-3263

LOUISIANA

P.O_

Box

856

1942 Williams Boulevard
Ilenner 70062
Tel: (504) 721·6201
TWX:

810-955-5524

MARYLAND

6707 Whitestone
Baltimore 21207
Tel: (301) 944·5400
TWX:

P.O.
2

Choke
Rockville 20850
Tel: (301) 948·6370
TWX:

MASSACHUSETTS

32

Hartwell
Lexinlton
Tel: [phone]
TWX:

MICHIGAN

21840 West Nine Mile
Southfield 48075
Tel: [phone]
TWX:

MINNESOTA

2459 University Avenue
St_

Paul 55114
Tel: [phone]
TWX:

MISSOURI

11131 Colorado

Ilansas City 64137

Tel: [phone]
TWX:

2812 South Brentwood Blvd.
SI. Louis 63144
Tel: [phone]
TWX:

NEW

W.

120 Century
Paramus 07652
Tel: [phone]
TWX:

710-862-9157

Box

1648

Cherry

710-828-9684

Ave.

02173

710-326·6904

810·224·4882

910·563·3734

910-771-2087

910·760-1670

JERSEY

710·990·4951

Road

Road

Road

Ave.

Road

1060N.Kings Highway
Cherry

Hill

08034
Tel: [phone]
TWX:

710-892-4945

NEW

MEXICO

P.O.

Box

8366
Station C
6501 Lomas Boulevard
Albuquerque 87108
Tel: [phone]
TWX:

910-989-1665

156

Wyall

Drive

Las

Cruces 88001

Tel: [phone]

TWX:

910-983-0550

NEW YORK

1702 Central Avenue
Albany 12205
Tel: [phone]

TWX:

710-441·8270

1219 Campville

Endicott 13760
Tel: [phone]

TWX:

82
Poulhkeepsle 12601
Tel: [phone]
TWX:

39
Rochester 14623
Tel: [phone]
TWX:

5858 East Molloy
Syracuse 13211
Tel: [phone]
TWX:

1 Crossways Park West
Woodbury 11797
Tel: [phone]'
TWX:

NORTH

P.O.
1923 North Main Street
Hilh
Tel: [phone]
TWX:

Road

510-252-0890

Washington Street

510·248·0012

Saginaw Drive

510-253-5981

710-541-0482

510-223-0811

CAROLINA

Box

5188

Point 27262

510·926-1516

Road

OHIO

25575 Center Ridee
Cleveland 44145
Tel:

(2)6)

TWX:
3460 South Dixie Drive

Dayton 45439
Tel: [phone]

H.E.

TWX:
1120 Morse

Columbus 43229

Tel: (614)

OKLAHOMA

2919 United Founders Boulevard
Oklahoma City 73112
Tel: [phone]
TWX:

OREGON

Westhilis Mall, Suite 158
4475
Porlland 97225
Tel: [phone]
TWX:

PENNSYLVANIA

2500 Moss Side Boulevard

Monroeville 15146
Tel: (412) 271·0724
TWX:

1021
KineofPrussia Industrial Park
IlinlofPrussia 19406
Tel: [phone]
TWX:

RHODE

873 Waterman Ave.

East Providence 02914
Tel: [phone]
TWX:

TEXAS

P.O.
201E.Arapaho
Richardson 75080
Tel: [phone]
TWX:

835-0300

810-427-9129

810·459-1925

Road

1146·1300

910-830·6862

S.W.

Scholls Ferry

910-464·6103

710-797-3650
8th

Avenue

510-660-2670

ISLAND

710-381-7573

Box

1270

910-867-4723

P.O_

Box

22813

Road

Rd.

6300 Westpark Drive
Suite 100
Houston 77027
Tel: [phone]
TWX:

910-881-2645

231

Billy

San

Antonio 78226
Tel: [phone]
TWX:

910·871-1170

UTAH

2890 South Main Street
Salt Lake City 84115
Tel:

(80l)

TWX:

910-925-5681

VERMONT

P.O.

Box

2287
Kennedy Drive
South Burllneton 05401
Tel: [phone]

Road

TWX:

510·299·0025

VIRGINIA

P.O.

Box

6514
2111 Spencer
Richmond 23230
Tel: [phone]
TWX:

710-956-0157

WASHINGTON

433·108th
Bellevue 98004
Tel: (206) 454·3971
TWX:

910-443-2303

·WEST

VIRGINIA

Charleston

Tel: (304) 768·1232

FOR U.S. AREAS
LISTED:

Contact the regional
est you: Allanta, Georgia .
North Hollywood, California .
Paramus,

New
Illinois.

dresses are Iisteo above.

·Service Only

Mitchell

Road

487·0715

Road

N.E.

NOT

office

Jersey

...

Their Jmplete

near-

Skokie,

ad-

CANADA

ALBERTA

Hewlell-Packard (Canada) Ltd.
11745 Jasper
Edmonton
Tel: [phone]
TWX:

CENTRAL

ARGENTINA

Hewlett-Packard Argentina
S.A.C.e.1
Lavalle
8uenos Aires
Tel: 35·0436, 35·0627, 35·0431
Telex: 012·1009
Cable.

BRAZIL

Hewlell·PackardDoBrasil
l.e.C Ltda.
Rua
Sao
Tel: 288·7111, 287·5858
Cable:

Hewlell-PackardDoBrasil
Praca
Salas
Porto Alegre
Rio
Tel: 25·8470
Cable

Hewlell·PackardDoBraSIl
l.e.C. Ltda.
RuadaMatriz

80tafogo
RiodeJaneiro,
Tel: [phone]
Cable:

610-831-2431

1171

- 3

HEWPACKARG

Frei

Caneca

Paulo·3,SP

HEWPACK

Dam

Feliciano

806/808

CrandedoSui

HEWPACK

ZC·02

HEWPACK

Ave.

AND SOUTH

1119

Sao

PaulO

78

(RS)-Brasil

Porto Alegre

29

GB

RIOdelaneoro

BRITISH

COLUMBIA

Hewlell-Packard (Canada) Ltd.
4519

Canada

TWX:

Way

610-922·5059

North Burnaby 2
Tel: [phone]

AMERICA

Hewlell·PackardDoBrasil
Industria e Comercia
Praca

Dam
Salas 806-8
Porto Alegre

CHILE

H~ctor

Calcagni y Cia,
Bustos, 1932-3er Piso
Casilla 13942
Sanliaeo
Tel: 423
Cable:

CALCAGNI

COLOMBIA

Instrumentacion
HenrikA.Langebaek & K,er

llda.
Carrera 7 No. 48·59
Apartado Aereo 6287
BOlota, 1 D.£.
Tel: 45-78-06, 45·55-46

Cable:

AARIS

Telex: 44400 INSlCO

COSTA

Lic. Allredo Gallegos

Apartado 10159
San

Jose
Tel: 21-86-13
Cable:

GALGUR

96

RICA

Feliciano

RGS

Bogota

San

llda.

78

Santiago

Gurdi~n

Jos~

llda.

MANITOBA

Hewlell-Packard (Canada) L
511

Bradford CI.
Winnipeg
Tel: (204) 786·7581
TWX:

610·671-3531

ECUADOR

LaboratoriosdeRadio-Ingenieria
Calle GuayaQuil 1246
Post Ollice

Box

HORVATH

SALVADOR

Salvador

ELECTRONICA
Sal

ador

3199

Quito

1231

auito
Tel: 212·496; 219·185
Cable:

EL

Electr6nica
Apartado Postal 1589
Blvd. Venezuela
San

Tel: 217527; 214895

Cable:

San

NOVA

d.

SCOTIA

Hewlell-Packard (Canada) Ltd.
2745 Dutch Village

Suite 206

Halifax
Tel: [phone]
TWX:

610-271·4482

MEXICO

Hewlet ·Packard Mexicana,

de

C.V.
622 Adalia Prieto
Col. del Valle
Mexico 12.

D.F.
Tel: 541·4232; 523-1874
Telex: 0017·74507

NICARAGUA

Roberto

Ter~n

Apartado Postal 689

Edificio

Ter~n

Managua
Tel. [phone]

Cable:

ROTE

RAN

PANAMA

Electr6nico 8alboa,

P.O.

Box

4929

Ave.

Manuel Espinosa

Bldg. Alina

Panama

City
Tel: 230833
Telex' 3481003, Curundu.
Canal

Zone

Cable:

ELECTRON

G.

Rd.

Managua

S.A.

No.

Panama

ONTARIO

Hewlell·Packard (Canada) Ltd.
880 Lady Ellen Place
Ollawa 3
Tel: [phone]
TV/X

610·562-1952

HeNlell-Packard (Canada) Ltd.
50

Galaxy Blvd.
Rexdale
Tel: (416) 677·9611
TWX:

610·492-4246

PERU

SA.

Campania Electro MedIca
Ave.

EnriQue Canaual 312

San

Isidro
Casilla 1030
Lima
Tel: 22·3900
Cable:

ELMED

PUERTO RICO

San

Juan
P.O.

Box
PoncedeLeon
Pda.

3·PTAdeTierra
San

Juan
Tel: (809) 725·3342, 722·3342
Cable:

SATRONICS

Telex·

SATRON

SURINAME

13-50

Sur

tel-Radio Holland N.V.

P.O.

Box
Paramaribo
Tel: 72118
Cable: T,eurnlet Paramaribo

City

Lima

Electronics, Inc.

5167

154

00906

San

3450 332

155

QUEBEC

Hewlell-Packald (Canada) Ltd
275 Hymus Boulevard
Pointe Claire

Tel (514) 697·4232
TWX·
Telex: 01·20607

FOR
LISTED:

Contact Hewlell·Packard
ada) Ltd. in Pointe Claire, at
the complete address listed

above.

URUGUAY

Pablo Ferrando

S.A.

Comercial e Industrial

A enida
CasiliadeCorrea 370
Montevideo
Tel: 40·3102
Cable:

VENEZUELA

Hewlett·PackardDeVenezuela
C.A.

Apartado 50933

Caracas

Tel: 71.88.05, 71.88.69, 71.99.30

Cable:

Juan

Telex: 39521146

FOR AREAS

CONTACT:

Hewlett·Packard

INTERCONTINENTAL
3200 Hillview
Palo

Alto, California 94304
Tel: [phone]
TWX:
Cable:
Tele.: 034-8461

610·422-3022

CANADIAN

Italia

RADIUM

HEWPACK

NOT

Ave.

910-373-1267

HEWPACK

AREAS

S.A.

2877

Montevideo

Caracas

LISTED,

Palo

NOT

(Can-

Alto

E 6·71

Appendix

B

EUROPE

AUSTRIA
Unitabor

GmbH
Wissenschaftliche Instrumente
Rummelhardtcasse 6
P.O.

Box

33
A·1095 Vienna
Tel: (222) 42

6181,431394

Cable:

LABOR

INSTRUMENT

Vienna

Telex:

75

762

BELGIUM
Hewlett·Packard

348 Boulevard du Souverain
B·1I60

Brussels
Tel: [phone]
Cable:

PA10BEN

Telex:

23

494

DENMARK
Hewlell·Packard A/S
Oatavej

38
OK·3460 Birkerod
Tel: (01)

816640

Cable:

HEWPACK

Telex:6640
Hewlell·Packard

Torvet 9
OK·8600 Silkeborc
Te': (06)·82·71·66

FINLAND
Hewlell·Packard
Bulevardi

25

P.O.

Box

12185

12

Helsinki
Tel: 13·730
Cable: HEWPACKOY·Helsinkl
Telex: 12·1563

FRANCE
Hewlell·Packard France

de

Courtaboeuf

Quartier
Bolle Postale

No.6

F·91

Orsay
Tel: 1-920B801
Cable:

HEWPACK

Telex: 60048

S.A.

Brussels

AS

A/S

Oy

Orsay

Hewlett·Packard France

Qual

4
F·69
Tel: 78·42 63 45
Cable:
Telex: 31617

Hewlett·Packard France
29
F·31
Tel: (61)
Telex: 51957

Benelux

GERMANY

Hewlett·Packard Verlriebs·GmbH
Berliner Strasse 117
Poslfach
06 Nieder·Eschbach/Ffm

Tel: [phone]

Cable:
Telex:

Hewlett·Packard Vertriebs·GmbH
Wilmersdorfer Strasse 113/114

0·1000 Berlin
Tel: [phone]
Telex:

Hewlett·Packard Vertriebs·GmbH
Herrenbercerstrasse 110

07030 Biiblincen, Wiirllemberg
Tel: [phone]
Cable:

Telex: 72 65
Hewlett·Packard Vertriebs·GmbH

Vogelsancer
04 Dusseldorf
Tel: [phone]
Telex:

Hewlett·Packard Vertrlebs·GmbH
Wendenstr.
02 Hamburc 1
Tel: [phone]
Cable:
Telex:

des Etroits

lyon

5~me

HEWPACK

rue delaGara

Blacnac

858229

560/40

HEWPACKSA
413249

183405

HEPAG

739

Weg

85/86

533

23

HEWPACKSA

21

5332

lyon

Frankfurt

FRA

W.

12

72

86

Bliblingen

38

31/35

51/52

Hamburc

Hewlett·Packard Verlrlebs·GmbH
Reginfriedstrasse
08 Munchen 9
Tel: (0811)
Cable:

HEWPACKSA

Telex:

52

49

GREECE
Kostas Karayannis
18,

Ermou Street
Athens 126 \
Tel: 230301,3,5
Cable:

RAKAR

Telex:

21

59 62

IRELAND
Hewlett·Packard

56

224 Bath

Road

SlOUCh,

Sli4OS,

Tel:

SlOUCh

Cable:

HEWPIE

Telex: 84413
ITALY

Hewlett·Packard Italiana S.p.A.

Via

Amerigo Vespucci 2

1·20124 Mitan

:rei: (2) 6251 (10 lines)

Cable:

HEWPACKIT

Telex: 32046
Hewlett·Packard lIaliana S.p.A.

Palazzo

lIalia

Piazza

Marconi 25
1·00144 Rome· Eur
Tel: 6·591 2544
Cable:

HEWPACKIT

Telex: 61514

13

695971/75

Munchen

8~

Athens

RKAR

ltd.

Bucks

753·33341

SlOUCh

Milan

Rome

GR

Telex: 16621
PORTUGAL

Telex: 1598
SPAIN

Ataio Ingenieros
Enrique
Madrid,
Tel:
Cable: TElEATAIO Madrid
Telex: 27249E

Ataio Ingenieros
Ganduxer 76

Tel: 211·44·66
Cable: TElEATAIO Barcelona

NETHERLANDS
Hewlett·Packard Benelux,
Weerdestein

117

P.O.

Box

7825

Amsterdam, Z

11

Tel: 020·42

77 77

Cable:

PA10BEN

Amsterdam

13

216

Telex:
NORWAY

Hewlett·Packard Norce A/S
Box

149

Nesve,en

13
N·1344 Haslum
Tel: (02)·53

83

Cable:

Telectra
Empresa Tecnica

Electricos, S.a.r.1.
Rua
P.O.
lisbon
Tel: 68 60
Cable:

Barcelona 6

60

HEWPACK

Oslo

EQuipamentos

de

RodricodaFonseca 103

Box

2531

1

72

TE1ECTRA

lisbon

SA

larreta

12

16

215

35 43

SA

SWEDEN

N.V.

Hewlett·Packard Sveriae

Enichetsv~cen

Fack
S·161208romma
Tel: (08)9812
Cable:

Telex: 10721
Hewlett·Packard Sverige

Hacakerscatan
S·43141Millndal
Tel: 031
Telex:21312 hpmlndl

SWITZERLAND
Hewlett Packard Schweiz
Zurcherstrasse 20
CH·8952 Schlieren Zurich
Tel: (051) 98

Cable:

Telex: 53933
Hewlett Packard Schweiz

RueduBois·du·lan 7
1217 Meyrin 2

•

Tel: [phone]
Cable:

Telex: 27333
TURKEY

Telekom Encineering Bureau
P.O.
Karakoy
Istanbul
Te': 49 40 40

Cable:

MEASUREMENTS

Stockholm

·276800

HPAG

HEWPACKSA

Box

376

TE1EMATlON

18

CH

HPSA

1·3

50

9C

21/24

Geneva

20

Geneva
CH

AB

AB

AG

A.G.

Istanbul

Mode1403B

UNITED

KINGDOM
Hewlett·Packard
224 Bath

SlOUCh,
Tel: Slough (0753) 33341
Cable:

Telex: 84413

Hewlett·Packard
The
Stamford
Allrincham, Cheshire
Tel:
Telex: 668068

YUGOSLAVIA

Belram
83

Brussels 1150, 8elcium
Tel: 34
Cable: 8E1RAMEl Brussels
Telex: 21790

SOCIALIST
PLEASE
Hewlett·Packard Ges.m.b.H
Innstrasse
Postfach
A1204 Vienna, Austria
Tel: [phone]
Cable:
Telex: 75923

ALL
COUNTRIES
Hewlett·Packard
Rue
1217 Meyrin 2

Switzerland
Tel: (022)
Cable:
Telex: 2.24.86

ltd.

Road

Sli4OS,

Bucks

HEWPIE

SlOUCh

ltd.

Graftons

New

Road

061

928·8626

SA

avenue des Mimosas

33

32,3426

COUNTRIES

CONTACT:

23/2

06/09

HEWPACK

Vienna

OTHER

EUROPEAN
CONTACT:

S.A.

du Bois·du·lan 7

Geneva

415400

HEWPACKSA

Geneva

19

AFRICA, ASIA, AUSTRALIA

ANGOLA
Telectra Empresa

de
SAR

RuadeBarbosa Rodricues

42·1·
Box
luanda
Cable:

AUSTRALIA
Hewlett·Packard Australia

Pty.
22·26 Weir Street
Glen
Victoria Cable: HE·I·NAMI
Tel: 20.1371(6lines)
Cable:
Telex: 31024

Hewlett·Packard Australia

Pty.
61

Alexander Street
Crows Nest 2065
New
Tel: 43.7866
Cable:
Telex: 21561

Hewlett·Packard Auslralia

Ply.

97

Churchill
Prospect 5082
South Australia
Tel: 65.2366

Cable:
Hewlett Packard Australia

Pty.
2nd Floor, Suite
Casablanca Buildlncs

196

Adelaide Terrace
Perth,
Tel: 21·3330
Cable:

Hewlett·Packard Australia

Pty.

10

Woolley Street
P.O.
Dickson
Tel: 49·8194
Cable:

Hewlett·Packard Australia
Pty.
75

Simpsons
Bardon
Queensland, 4068
Tel: 36·5411

EQuipamentos

6487

TElECTRA

ltd.

Iris,

3146

HEWPARO

ltd.

South Wales

HEWPARO

ltd.

HEWPARO

ltd.

W.A.

6000

HEWPARO

ltd.

Box

191

A.C.T.

HEWPARO

lid.

Road

Hcnia

luanda

Melbourne

Sydney

Road

Adelaide

13

Perth

2602

Canberra

CEYLON
United Electrlcals

EI~clricos

P.O.

Box

681
Yahala Buitdlnc
Staples Street
Colombo 2 Tel:6232
Tel: 5496
Cable:

HOTPOINT

CYPRUS
Kypronlcs
19

Grecorios & Xenopoulos

P.O.

Box

1152.
Nicosia
Tel: 6282·75628

ETHIOPIA
African Salespower

Private

ltd.,

P.O.Box

718

58/59

Cunningham SI.

Addis

Ababa
Tel: 12285
Cable:

ASACO

HONG
Schmidt
P.O.

Hone Kone
Tel: 240168, 232735
Cable:

INDIA
Blue Star
Kasturl BUildincs
Jamshedji Tata
Bombay
Tel:
Telex: 2156
Cable:

Blue Star
Band
Prabhadevi
Bombay 2500, India
Tel:4573

Telex: 2156

Cable:

ACT

Blue Star
14/40
Kanpur, India

Tel:
Cable:

Blue Star.

7 Hare Street
P.O.
Calcutta1,India
Tel: 23·0131
Telex: 655
Cable:

Addlsababa

KONG

&

Co.

Box

297

1511, Prince's BuildinC 15th Floor Cable:
10,

Chater

Road

SCHMIDTCO

ltd.

20BR,

295021

BlUEFROST

ltd.

Box

House

01

BlUESTAR

ltd.

Civil

lines

688

82

B1UESTAR

ltd.

Box

506

BlUESTAR

Colombo Cable:

Co.

(Honc Kong)

Rd.
India

ltd.

& Agency

Hong Kane

Blue Star

lid.
Blue Star House, Nisei Ibaragi
34 Ring

Road

lajpat

Nacar Ibaraci·Shi

New

Deihl 24, India

76

Tel":

463
B1UESTAR

Blue Star

ltd.

Road

17·C Ulsoar

Banaalore·8 Nakamura·ku, Nacoya City

Road

Blue Star,

ltd.

96 Park

lane
Secunderabad
Tel: 7 63
Cable:

Blue Star,
23/24
Madras
Tel: 2
Telex: 379
Cable:

Blue Star,
1B
Oindli

ltd.

Jamshedpur, India
Tel: 38 04

INDONESIA
Bah
Olalah Merdeka
Bandune

Tel: 4915; 51560
Cable:
Telex: 08·809

IRAN
Telecom,
P.O.Box

240

Teheran
Tel: 43850, 48111

Cable:

ISRAEL
Electronics

17
Tel·Aviv
Tel: 36941(3lines)
Cable:
Telex: Bastel

JAPAN
Yokogawa·Hewlett·Packard
Ohashi Buildinc
1·59·1 Yoyogi
Shibuya·ku, Tokyo
Tel: 03·370·2281/7
Telex: 232·2024YHP
Cable:

3,

India

91

B1UEFROST

ltd.

Second

line

Beach

I,

India

39

55

B1UESTAR

lid.

Kaiser Bungalow

Road

B1UESTAR

Bolon Tradlna

Kh.

Olv.ofMotorola Israel

Amlnadav Street

Coy.

29

11MU

ltd.
1812

Saba

Shomall Tel: 220846

BASCOM

Teheran

& Encineerlng

BASTE

I Tel·Avlv
Tv

033·569

YHPMARKET

TOK

N.V.

ltd.

ltd.

23·724

Yokocawa·Hewlett·Packard
2·2·8 Kasuca

Ouka
Tel: (0726) 23·1641
Telex: 385·5332

Yokocawa·Hewlett·Packard
Ito

Bulldlnc

No.

59, Kotorl·cho

Tel: (052) 551·0215
Yokogawa·Hewlett·Packard

Nitta

Bldg.
2300 Shinohara·cho,
Kohoku·ku
Yokohama 222

Tel: (405) 432·1504/5

KENYA
Kenya

Kinetics

P.O.

Box
Nairobi,
Tel: 57726
Cable:

PROTON

KOREA
American Tradinc
Korea,

ltd.

Seoul

P.O.

7th & 8th floors,
107 Sejone
Chongro·Ku, Seoul
Tel: 75·5841

AMTRACO

Cable:
LEBANON

ConstantinE.Macridls
Clemenceau Street
P.O.

Box
Beirut

Cable:

ELECTRO

MALAYSIA
MECOMB
2

loronc
Section
Petallnc

MECOMB

Cable:
MOZAMBIQUE

A.N.Goncalves, IDA.

4.1 ApI.
P.O.

Box

lourenco Marques

Cable:

NEGON

NEW

ZEALAND
Hewlett·Packard (N.Z.)
94·96 Dixson SI.
P.O.

Box
Wellineton,
Tel: 56·559
Cable:

HEWPACK

Hewlett Packard (N.Z.)
Box

51092

Pukuranca

Tel: 573·733

HEWPACK,

Cable:

18311

Kenya

Box

7213

Malaysia

13/6A

13

Jaya,

14

Av.O.luis

107

9443

Ro

(4

N.Z.

BldC.

YHPOSAKA

Co.,

1103

OaeKyuna

lines)

Seoul

NUCLEAR

ltd.

Selaneor

Kuala

Wellincton

Auckland

ltd.

PAKISTAN

(EASn

Mushko & Company,
I,

Jinnah Avenue

Dacca

2

Tel: 280058

NEWOEAl

Cable:

PAKISTAN

(WEST)

Mushko & Company,
Oosman

Chambers

COOPERATOR

Tamo

708

Box

d028

-,.

and

Combustion

Hill

Industrial Estate

MECOMB

Far

Office

Box

87

HEWPACK

AFRICA

ltd.

Box

31716

JH

HEWPACK

Johannesbura

ltd.

House

Town

HEWPACK

Cape

ltd.

Glenwood Centre

& Moore

Box

99

Road

Sincapore

SINGAPORE

Abdullah Haroon
KarachI 3
Tel: 511027, 512927
Cable:

PHILIPPINES
Electromex Inc. Banekok
Makatl Commercial Center Tel: 910722
2129 Pasonc
Makati, Rlzal 0
P.O.

Manila'
Tel: 89·85·01; 88·91-71

Caf\e;-'ElEMEX Manila
SINGAPORE

Mechanical

Enclneerina Company
9, Jalan Kllanc
Red
Sincapore, 3
Tel: 642361·3; 632611
Cable:

Hewlett·Packard

Area

P.O.

Alexandra Post Office

Sineapore 3

Tel: 633022
Cable:

SOUTH
Hewlett Packard South Africa

(Pty.),

P.O,

Braamfontein Transvaal
Milnerton
30DeBeer Street Office
Johannesburc
Tel: 725·2080, 725·2030
Telex: 0226
Cable:

Hewlett Packard South Africa

(Pty.),
Breecastle
Bree Street
Cape
Tel: 3·6019, 3·6545
Cable:
Telex: 5·0006

Hewlett Packard South Africa

(Pty.),
30B

Beirut

lumpur

ltd.

ltd.

ltd.

ltd.

Bldg.

Corner Hunt
P.O.
Dverport, Natal
Tel: 347536

Dacca

TAIWAN

ltd.

Hewlett Packard Taiwan
39

Sec.
Overseas Insurance
Corp.
Taipei
Tel: 579·605, 579-610, 579·613

ltd.

Telex:
Cable:

THAILAND
The

Karachi

P.O.Box
614 Sukhumvit

Cable:
T1X

UGANDA
Uganda
P.O.
Kampala
Tel: 57279

Cable:

ltd.

VIETNAM
Peninsular Trading Inc.
P.O.
216 Hlen·Vuong

Saleon
Tel: 20805, 93398
Cable:

East

ZAMBIA

R.J.Tilbury (Zambia) Ltd.
P.O.
lusaka
Zambia, Central Africa

Tel: 73793
Cable:

MEDITERRANEAN
MIDDLE
NOT
CONTACT:

Hewlett·Packard Correspondence

Piazza
1·00144 Rome·Eur,
Tel: (6)5940

Cable:

Telex: 61514

OTHER
LISTED,
Hewlett·Packard

3200 Hillview

Town

Palo
Tel: (415) 326·7000

TWX:
Cable:

Roads

Telex: 034·8461

Chung Shiao West

1

81dC.

7th Floor

TP824

HEWPACK

HEWPACK

International

Enclneerina

Co.,

39

Road

(7

lines)

GYSOM

INTENCO

BK·226 Bangkok

Tele·Eleclric Co.,

Box

4449

COMCO

Kampala

Box

H·3

PENTRA,

SAIGON

Box

2792

ARJAYTEE,

lusaka

EAST

COUNTRIES

SHOWN

PLEASE

Marconi

25
29

HEWPACKIT

AREAS

NOT

CONTACT:

INTERCONTINENTAL

Ave.

Alto, California 94304

(Feb.

71

493-1501)

910·373·1267

HEWPACK

Palo Alto

Road

Taipei

ltd.

ltd.

242

AND

Italy
Rome

Model403B

II

MANUAL

BACKDATING

MODEL 403B

CHANGES

Appendix C

Instrument

225-

523-05300 and

523-05825

523-09985

CHANGE 1:

CHANGE 2:

and
and

Serial

This
ments.
yet
number

Prefix

below
below

below

manual

are

backdating

Instrument-component

not

listedinthe

giveninthe

Make

1
2
3

4

Table

6-1,

Delete
Add

Page

6-2:

ChangeQ7from

------­Transistor

403B

TRANSISTORIZED AC

sheet

makes

values

manual.

Manual

Page

index

Battery

instruments.

backdating

Changes

#19,

Holder;

sheet,

6-6:

Battery

-hp-

2N3638 (1853-0016)to2N1183 (1850-0064).

NOTE----------

2N3638isa

VOLTMETER

this

manual

that

differ

shouldbereplaced

Instrument

949-10635

Holder;

Part

No.

preferred

appllcabletoearlier
from

thoseinthe

using

Serial

Prefix

and

below

-hp-

Part

403B-64A

change

No. 5040-0615; 2

and

403B-64B.

for

all

instru-

manual,

the

part

Make

5

Manual

ea.

Changes

CHANGE 3:

CHANGE 4:

CHANGE

CHANGE

Page

5-11/5-12,

Change C15

Table

6-1:

Change

to

DS1

Table

6-2:
Change
Item9to

5:

6:

Pages

5-9,

Change

Q1to5080-9029;
Q2, 3.
Q4, 6

to

R7

to

0758-0051;

The

voltages

The

covers,

Covers,

panels.
403B-2A
5060

-0705
5000-0702 Side
5000-5388
5020-5388

Figure

from:

the

following

1450-0048, 32to1251-0148,W1to

the

following

403B-2B,

6-2,

6-3:

the

following

and5to

1854-0017;

printedinred

panels,

5-8:

100

to: 120

Part

Part

Item23(Fig.

parts

TSTR

1850-0096;

TSTRSiNPN

R: fxd

and

and

trim

Front

Top

Cover

Cover

Bottom

Meter

pF,

Part

pF,

Part

Nos:.

Nos:

descriptions:

Ge

PNP

TSTRGePNP

comp

do not

trim

listedinthe

for

blue

Panel

Assy

Cover

Trim

No.

0146-0176

No.

0140-0216

6-1)to403B-2B.

Selected

2N706A

43K ±5%1/2

applytothese

instruments

8120-0078.

2N2189

W

parts

list

are

instruments.

are

for

listed

below:

brown

instruments.

•

NeworRevised

Item

·:MANUAl

CHANGES

Model 4038

AC

VOLTMETER

Manual Part No. 00403-90010

ERRATA:

Page

1-1,

Table

1-1.

Add

the

and

403B

the

100

Page

10 Hz.

Page
agree
any range should be
operation

(see

Page
emitterofA1Q6.

Change

300

Section'V,Performance
Noise Check results should read "< 3%
deflection

"< 8%

operation.
Page

9170~016,

Option01accuracy

300

V range, accuracy

kHz."

5-3,

Para.5-15d.

5-3, Paragraph

with

the

following:

and

Paragraph

5-9/5-10,

less

3~)."

Figure

adjustment

KC."

on

any

of

full

6-2,

Table

ferrite

5-16(b).

less

than 8%offull

designation

range"

scale

deflection

6-1.

bead.

followingtoModel

specification
is

not

Change

frequency

Change the last sentence

"The

403B

than3%of

5~.

Add

Check

Add

AddL1to

meter

full

scale

ferrite

under

A3C3to"CAL30V,

Test

for

Battery

on

any

Ref.

Desig.

403B-65A

403B

tables:

specified above

from

5 Hz

deflection

scale

with

with

bead, A 1

Card.

battery

an ac source

L1,

Number

of

full

Operation

range"

for

L1,

Part

assembly.

Figure1.Component

"On

to

to

on

to

scale

and

No.

Page

6-3, Table 6-1. Change

"Assembly

C6,A3and R17

Page
No.

Page
Cover Assy:

Page

Al

boardasin Figure

I

CHANGE

Page

1901.0518.
preferred replacement.

4,

ac

CHANGE
0986A
0986A

Page
22

K ± 10%

fluctuation.

Locator

RANGE

6-4,

Table

00403-90010.

6-5,

Table

5-9/5-10,

NO.1:

6-2,

Table

NO.2:
15246
15346

6-3,

Table

..

switch:

thru

R23."

6-1.

Operating

6-2.

Bottom.

Previous Partishardtoobtain;

1/2W.This

Item

Figure 5-8.

1.

Appliestoall

6-1. Change Part

and greater and
and greater.

6-1. Change

descriptionofS1toread

3 sect 12 pos; includes

and Service ManualisPart

No.8isPart

Add

Component

instruments.

Applies

to

4038

R13toPart

change desensitizesQlfrom

No.

No.ofCR3,

4038

Option

Serial

01 Serial

No.

Cl,

5000.a569

Locator

for

CR4

thisisthe

No's.
No's.

0687-2231,

bias

to

AI

tip

Port

No.

Rev.B

NOTE:

See
additional
mation.

17

Figure

location

September 1975

403B-65A

5-1

for

infor-

--1

-RI6-

-RI~-

-RI4-

-RII-

-CR-

-CRl-

-R9--

-R8--

~

-C1-

-CR3-

e

~

-CR4-

e

B~

I

R34

"21

I

1

-»~,E~

••

I

Rl8

I

"----"

I

R36

R3~I~

I

Cll

M-

I I CI9 I

e

ClO

I

RI3

Rll

I I

(0

-R1-

-RIO-

-'8-

-R6-

LOOP

GAIN

ADJ

R3l

~

I
I

9

')

T.

,

~

-R31~

-R24-

"'!.l

~

-R40-

R46

~

CI~

I

~16)

'Ri

~----~-

~.

I

CAL1mV

2

MHz

METER
1mVRANGE

CAL

Supplement A for 00403-90010

HEWLETT

iii

PACKARD

00403-90010

PRINTED

IN

U.S.A.