HP 6177b schematic

_0

PER

AT!

N G

AND

DC

S E R V

POWER

SUPPLY

ICE

MAN

U A L

CCB

MODEL

•

SERIES

6177B

HEWLETT

Jl:i

PACKARD

~----~

DC

POWER

=

SUPPLY

*For

Serials Refer Manual

to

OPERATING AND

FOR

Below

Appendix A

Backdating

CCB

MODEL 6177B

SERIALS

9C0191

Changes.

9C0191 -0215*

SERIES

SERVICE

*For a

cluded.

MANUAL

serials

Change

above

Page

may

9C0215

be

in-

i}

HP

Part

No.

06177-90002

100

Locust

Avenue,

Berkeley

Heights,

New

Jersey

07922

Printed:

August,

1969

wi

Make

all

corrections

in

the

supply

manual

serial

Model

Manual

according

number

MANUAL CHANGES

6177B

lOP

and

Part

to

errata

enter

DC

No.

any

Power

below,

listed

Supply

06177-90002

then

check

change(s)

the

in

following

the

manual.

table

for

your

power

Prefix

9C

OB

OJ

ALL

OJ

1149A

Table

5-4,

Remove

the point B (white Diagram,

The

changed

In

the

CR25

base

serial

from

Replaceable

changes:

Front

Panel

No.

1510-0067.

Meter

Bezel:

Connector,

Part

No.

Connector,

Part

No.

In

the

Replaceable

diagram,

R5:

Rl0:

R9: Q3,6: R33:

R51:

CR11: Disconnect

Table

Remove

(point Component

make

Change

3382. Change

Change

Change Change Change

Add,

connect Connect

5-4;

jumper

A).

SERIAL

Number

i

0191 0276 -0365 0338, 0340, 0346, 0354, 0357, 0366 -'Jp

0275

0339, 0343, 0348, 0356, 0364

-

0426 -0470

0471-0580

0581

- up 1

CHANGE

Step I should

and

CR26 from

lead

of

Q19B.

wire).

Figure

number

the

anode

Step 1 should

Disconnect

7-2.

CF.ANGE 2:

prefix

"9C"

to

Parts

Binding

Change

Test

Point,

1251-2440.

Test

Point.

1251-2441:

Parts

the

following

to

5.49k,

to

5.1k,

to

270n,

to

HP

to

2.4K,

to

SIn,

HP

Part

the

cathode

of

Jl,

connected

Location

Post,

CR11

read

Disconnect

Refer

of

the

"DB".

Table,

White:

to

lOP

Table

l/8W,

tw,

HP

tw, HP

Part

No.

tw,

lOP

tw,

lOP

No.

1901-0461.

of

VR13

of

CRl1

to

read

wire

Diagram,

CHANGES

I:

as

follows:

circuit

to

Component

instrument

make

Delete,

Part

No.

Jack,

White:

Plug,

VIlhite:

and

on

changes:

HP

Part

No.

Part

No.

06177-80001.

Part

No.

Part

No.

from

to

cathode

TP18.

as

follows:

to

anode

at

point

Figure

MAKE

1

1,2

1,2,3

Errata

L 2, 3, 4

1

thru

(open).

the

wire

Location

has

the

following

4040-0414.

Add.

schematic

No.

0698-3-644.

0686-2715.

0686-2425.

0686-5105.

TP18

of

B.

Refer

7-2.

5 6

Open

at

HP

0698-

and

of

VR13.

CR26

to

been

Part

HP

The

serial

change

In

diagram,

"In

No.

Q25

cal. have

mounted sulator under

On Step

On changes:

In changes:

from"

the

Replaceable

make

R70:

Change

CR25,CR26,CR33:

0642.

R50: Add, lOOn,

connected CR25

anode.

the

Replaceable 1854-0311) (HP

Part

The

new

not

been

on

(HP

Q25

Page

5-14,

(b)

to

the

schematic

Change

the

Change

the

VR6: Shoulder

No.

Bushing

Indian

to

P.C.

Lampholder

the

cuits

in

plifier

II)!!

meter

(S2)

schematic

(06177-60021)."

on less

Change

of

No.

to

respectively.

the

circuit

the

to

the

Input

Note 4 to

main

otherwise

Replaceable

Change

2190-0490.

Bead:

prevent

transistor

Board

5040-0305.

number

OB"

the

to

between

CR26

from

No.

electrical

changed

the

rear

Part

No.

before

in

read:

references

the

guard

read:

reference

to

positions

read

(from

note

Circuit

to

read:

printed

rating

Washer,

Insulator,

HP

Part

Add, HP

Ferrite

Q2.

GUide:

Base,

CHANGE

prefix

to

270n,

1854-0250)

of

"OJ" .

Parts

Table

following

~W,

Change

l/8W,

+OUT

cathode,

Parts

Table,

the

Milln

connections

but

Heat

Sink.

0340-0411)

mounting

ERRATA:

Part B of ,jOutput

diagram,

"Z2

(See

"Note

of

top):

in

the

dotted

Board

"p/o

read:

circuit

indicated.

Parts

Table,

to

16.2V,

insulated:

collector

No.

to

Part

bead

Add,

lOP

DSl.

DS2:

3:

the

instrument

and

changes:

HP

Part

to

HP

Part

and

the

and

delete

P.

C,

to

the

transistor

A

has

it

On

the

Table

5-10,

current

make

the

"500mA,

in

"All

board

0340-0170.

Ll

remains

the

to

the

and

the

Note

11);

to

the

11

9.

Current

box

two

places

Input

components

(06177-60022)

"

make

400mW.

Add,

screws,

No.

4330-0145.

from

Part

No.

Change

on

the

No.

0686-2715.

Part

No.

0757-0401.

junction

Ql9A

base.

Q25

Board.

Chassis

of

the

is

boron

nitride

been

Heat

Sink.

change

following

integrated

main

Zl

(See

jumpers

Range

50mA,

representing

on

P.C.

Board

the

following

qty.

6,

Q7,

Q29,Q30:

contacting

0403-0150.

to

HP

has

been

schematic

1901-

of

(HP

Part

Add

new

Electri-

new

025

now

in-

installed

low."

cir-

error

am-

Note

in

the

Switch

5mA."

the

located

un-

HP

Part

Used

c?se

Part

Manual Manual Page

In

0.01f'F,

In

changes:

Q6:

R5:

R14:

The mint

(for

designates

gray

a maining

below:

Changes/Model

HP

-2-

the

Replaceable

the

Replaceable

Change

0698-5087.

Change

standard

gray

top.

and

light

gray

Part

200V, HP

to

colors

(front

bottom,

use

of

blue

gray.

front

surfaces.

No.

06177-90002

CF.ANGE 4:

Parts

Part

CHANGE 5:

Parts

HP

Part

6.2k,

22k,

CHANGE 6:

for

and

rear

and

side

the

former

Option

panel

New Part

6177B

Table,

No.

Table

No.

IjBW,

tW,

this

panels)

surfaces).

and

change

0160-0161.

make

the

1853-0083.

±l

%,

HP

Part

No.

instrument

and

color

scheme

ASS

designates

olive

gray

Numbers

C33

following

Part

0686-2235.

are

olive

Option

for

are

to

No,

now

gray

X95

of

light

use

the

re-

shown

•

:

of

5-1-72

I

I I

Front Front Front

Heat

Rear Cover, Cover,

Cover

Rack Filler

DESCRIPTION

Panel, Panel, Panel,

Sink,

Panel

I Bottom

Kit

Panel

Complete

Top

Bottom

Rear

Side Top

(Assy.)

Insert

PaDel

STANDARD

06177-60002

06177-60006

06177-60004

5020-8067 5000-9461 5000-8559 5060-8585 5000-9444 5060-8764 5060-8530

HP

PART

OPTION

<;;

06177-60003

<'

E

(

(-

"

(

Not

Applicable

Not

Applicable

NO.

A85 OPTION X95

Refer

Manual

List

•

to

Parts

DESCRIPTION

1-1

1-2

This

supply,

requiring a constant

degree

ripple

tion

CURRENT

O.5f.,lA. details

tained

order

1-3

of

regulation

characteristics.

output

RANGE

control

Special

so

that

down

to

of

1

t-LA.

A

special

vides a voltage

leakage

tion

voltage also tively

This ated current

1-4

silicon) operation.

\

Umiting current

be

range.

establish

the

This

the control

limit

used

1-5

put

complished

Output

ranges

ting ed

1-6

minals.

minal.may

operated

off

currents

characteristics.

is

held

used

to

drive

isolating prevents with

connecting a voltmeter

supply.

The

supply

and

is

It

type

at

the

continuously

The

front

the

supply

entire

voltage

in

grou'Od

is

control

(overload

as a voltage

A

on

only

The

is

voltage

can

be

single

or

by current in

accordance

the

front

one

power

Either

be

floating

(added

is that

output used

grounded

is

designed

current

and

switch

result

attention

we

11

regu

very

low

guard

supply,

which

is

which

Since

equal

to

the

front

the

voltmeter

the

usual

is

completely

suitable

of

the

Constant

will

furnish

maximum

adjusted

panel

VOLTAGE

voltage

as a constant

continuously

range.

used

to

establish

or

shOTt-circuit)

limited

meter

is

current.

a METER

can

be

measured

with

panel.

range.

supply

the

positive

or

at

up

to a maximum

safety

for

source

stability

The

use

of a three-posi-

and a lO-tum

in

resolution

has

been

1a

ted

perfonnance

output

would

the

output

for

rated

used

The switch

has

precautions

currents -of

within

used

to

degrade

the

positive

guard

panel

from

degradation

transistorized

either

Current/Voltage

full

output

throughout

limit

variable

The

front

if

source.

to

meaSure

dual

on

in

the

RANGE

Output

the

both

or

negative

power

voltage

SECTION

GENERAL

applications

with

a

high

and

very

low

output

down

to

given

to

circuit

is

main-

the

unit,

pro-'-'

prevent

voltage.

voltmeter

the

across a constant

bench

rated

control

(ceiling)

current

the

selection

the

one

front

internal

the

output

main

or

output

voltage

the

output

is

source.

throughout

panel

output

supply

either

front

of

SWitch

is

and

output

supply

of

300

should

regula-

it

is

effec-

supply.

associ-

(all-

rack

or

can

used when

CURRENT

current

is

out-

is

ac-

panel.

three

set-

measur-

rear

ter-

can

Volts be

I

INFORMATION

taken used

1-7 cess expand ment. A brief given

can

be cation resistance. grammed technique. SOOp.sec with

voltage with for

applications

sorting~

voltage

when

component the

dc permits age

breakdown.

1-8

to

1-9 are

given

1-10

1-11 dard The

following

ment

detailed

throughout

Option

14

be

28

to

protect

in

this

Terminals

to

various

the

be

low:

a.

Remote

programmed

by

means

in

from

an

accuracy

b.

External

of

an

accurate

Connecting

prevents

this

feature

c.

AC

output

measurement

the

mode).

at

control

operating

description

The

the

up

Remote

zero

the

supply

involving

Modulation

(or

varying

current

and

Programming.

of

output

of

Voltage

differential

output

is

SPECIFICATIONS

Detailed

in

Table

specifications

OPTIONS

Options

instrument

covered

are

options

by

coverage

't.'1e

manual.

factory

that

this

of

No.

Three

Current

places mitting

Rewire

as

normally

115Vac

operator

the

rear

points

capabilities

of

(controlled)

an

external

current

or

down

direction

programming

to

99%

of

1%.

Monitoring.

can

be

component

the

external

performance

employed.

of

de)

can

of

the

of

dynamic

leakage

1-1.

modifications

are

requested

are

available

manual.

the

options

De

Digit

Control:

10-turn

resettability

For

230V AC

shipped

input.

when

the

of

the

unit

within

these

voltage

maximum

externally or

Output.

be

supply.

resistance.

for

Where

scriPtion

Graduated

Control

current

Option

the

of

the

capabilities

The

power

from a remote

can

be

using

speed

digita 1 voltmeter

testing

meter

degradation

An

superimposed

This

impedance.

the

power

by

the

for

necessary.

is

included

control

to

within

Input;

is

wired

28

supply

allow

unit

instru-

supply

source

rapidly

this

is

less

rated

output

The

output

monitored

to

the

external

feature

supply

of a stan-

customer.

the

instru-

Decadial

that

re-

0.1%.

Supply

for

consists

is

ac-

to

is

lo-

or pro-

than

or

guard

ac

on

volt-

per-

of

1-1

reconnectingfor

230Vac

'-12

1-13 lo\ving separately saies cresses).

if

5060-0806

5060-0097

1-14 INSTRUMENT IDENTIFICATION

1-15

ACCESSORIES

The

applicable

chart

from

offiCE

Par.:

No,

Hewlett-Packard

may

your

(refer

Rack units. tails,)

Filler of unit.

accessories

be

ordered

local

to

list

Kit

rack

the

operation.

witt

Hewlett-Packard

at

rear

DescriDtion

for

mounting

(Refer

to

Section

panel

to

when

mounting

instruments

input

the

of

block

transformer

listed

instrument

manual

one

II

unused

only

are

identified

in

or

for

one

the

field

for

two de-

half

f01-

ad-

or

by a three-part the

unit

mocie 1 ria 1 number l.etter nificant year, month,

with 1 omitted. serial

1-16

not

agree manual, manual. is

given

1-17

1-18

A~ditional

local

Hewlett-Packard

of

this number, provided

prefix,

combination

design

and

the

letter A through L designates

January

number.

If

the

serial

with

the

change

Where

in

an

appendix

ORDERING

One

manual

manuals

manual

serial

on

the

for

serial

nu

change.

through

The

sheets

applicable.

number

title

number

mber.

which

that

third

number prefix

are

ADDITIONAL

is

shipped

may

field

addresses)'

prefix.

page.

tag.

The

second

consists

denotes

The

number

December

part

is

prefix

on

the

included

backdating

at

the

rear

MANUALS

with

be

purchased

office

and @ part

The

part

of

a

the

date

designates

respectively,

the

instrument

on

your

title

page

to

update

of

the

each

from

(see

Specify

first

part

is

the

se-

number-

of

a

Sig-

the

unit

does

of

this

the

information

manual.·

instrument.

your

list

at

rear

the

model

number

is

the

•

I

!

•

i

I

1-2

! '

•

Model

6177B,

Specifications

,

INPUT:

115Vac±

55

Watts

OUTPUT:

0-500mA @ 50

OUTPUT

0-500mA,

LOAD

Less

switch

in

output

LINE

Less

within

RIPPLE AND

Output

TEMPERATURE RANGES:

Operating:

10%,

single

(nominal).

Volts.

CURRENT

0-50mA,

REGULATION:

than

25pprn

setting

REGULATION:

than the

(rnA)

500

50

5

voltage.

25ppm

input

NOISE:

Range

o

for a full

rating.

to

RANGES:

or

of

output + Sppm

for

Ripple

5SoC.

phase,

O-SmA.

load

any

and

Storage:

line

(de

48-63Hz,

of

to

no

load

voltage

Noise-rms/pk-pk

to

20MHz)

40;.cA/250;.cA

4;.cA/40;.cA

o

.4

;.cA

/ 5

;.cA

-40

0.6

range

change

to

+850C.

Amp,

LOAD TRANSIENT RECOVERY

Less

than

ZOOjJ.sec

to

within

lowing a full

voltage.

METER:

The

0-30mA,

OUTPUT

Range

range and

single-turn

adjustment

OUTPUT TERMINALS:

Four

and

rear minals

the

ed

to

minal

PROGRAMMING

Less

zero rent output

REMOTE

1%

of

front

panel

or

0-3mA

CONTROLS:

switch

and

meter/line

selects

two

of

positive

the

and

0:

meter

voltage

over

output

the

chassis.

are

isolated

or

chassis

located

than

SOO\-lsec

to

99%

each

range

current

PROGRAMMING,

load

posts

on

for

output

the

nominal

voltage

meter

change

can

ammeter

selects

desired

switch

range.

the

are

terminal

negative

through a separate

the

SPEED:

of

the

or

of

each

controls

entire

provided

strips

All

power

from

the

terminal

front

are

required

maximum

between

range

Ten-turn

paneL

TIME:

current

output

be

used

or

a

output

controls

permit

output

are

supply

chassis

the

to

within

CONSTANT CURRENT:

current

in

the

as

a

O-120V

current

input

current

continuous

span.

on

the

located

output

and

maybe

ground

to

program

rated

output

maximum

1%

recovery

fol-

output

0-3

o o

voltmeter.

power

and

front

panel

on

ter-

either

connect'-

ter-

from

cur-

rated

of

zero.

rnA

the

,

TEMPERATURE

Less

than

75ppm

switch

STABILITY:

switch after stant stant

INTERNAL

CURRENT

*The

calculations,

setting

Less

than

100ppm

setting

an

initial ambient, load.

IMPEDANCE

SOURCE:

Output

Range

(rnA)

500

50 R = 33

5 R =

·formula

COEFFICIENT:

of

output

per

degree

of

output + 2Sppm

total

drift.

warm-up

consta

nt

AS A CONSTANT

(R

R =

Z =

RXe/..JR2

up

to

IMHz.

plus

centigrade.

Mea

sured

time

of

line

volta

Output

in

parallel

3.3

Meg,

330

Meg,

+ Xe2 can

Sppm

of

for 8 hours

one

hour

and

ge

t

Impedance

with

C = 0.05fJ.£

C =

O.OO5~f

C =

500pf

be

range

at

Con-

~

C)*

used

con-

for

Programming

Source

Resistance

(Accuracy:

output + 0.04% range)

Voltage

(Accuracy:

of

output + 0.04%

of

range)

REMOTE

Remote p'roxirnately at

the

COOLING:

Convection

SIZE:

3-7/16"

WEIGHT:

PROGRAMMING,

programming

rear

terminals.

H x

10

1%

of

0.5%

870

ohms

cooling

12-3/8"

lbs.

500

4n/mA

2mV/mA

of

per

is

employed;

D x

net,

VOLTAGE

the

Volt

7-3/4"

13

lbs.

50

40n/mA

voltage

is

made

no

W.

shipping.

(rnA)

Range

20mV/mA

400n/mA

200mV/rnA

LIMIT:

limit

at

available

moving

5

ap-

parts.

1-3

2-1

INITIAL

2-2

Before

spectec

eiectrical

unpacked, occurred

until

found,

Hewlett-Packard

De

2-3

2-.s.

broken

panel

and

2-5

and

defects.

inspect

in

transit.

the

inspection

file a claim

notified.

MECHANICAL CHECK

This

check

knobs

surfaces

that

the

ELECTRICAL CHECK

INSPECTION

shipment,

found

to

As

for

Save

is

for

Sales

should

or

connectors,

are

free

meter

is

this

be

free

soon

any

carnage

all

completed.

damage

and

Service

confirm

of

dents

not

scratched

instrument

of

mechanical

as

the

instrument

that

packing

If

with

the

Office

that

the

anc

or

was

in-

and

may

have

materials

damage

shipper.

should

there

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cabinet

scratches,

cracked.

SECTIOfl'

Ir;STALLA

is

no

and

liON

If

•

2-6

The

its

electrical

an

Hin-cabinet"

instrument

2-7

2-8 operation. strument operation.

2-9

2-10

space

coolin~

strument

in !=-xceed

2-11

dimensions

2-13

INSTALLATION DATA

The

LOCATION

This

should

air

an

area

50°C.

OUTLINE DIAGRAM

2-12

Figure

RACK

instrument

specifications.

performance

operation.

instrument

It

is

necessary

to a source

instrument

be

allotted

can

reach

when

it

is

where

the

2-1

illustrates

of

the

MOUNTING

should

is

of

is

the

in

operation.

ambient

6177B

be

checked

Section V includes

check

shipped

power

air

so

sides

and

ready

only

to

and

cooled. that a free

and

temperature

the

outline

6181B

to

verify

for

connect,

it

is

ready

Sufficient

flow

rear

It

should

supplies.

against

bench

the

of

the

be

does

shape

proper

in-

for

of

in-

used

not

and

types

2-15 proceed

Place

end

and

tighten.

Figure

of

installations

To

mount

as a. b. instrument(s) c.

d.

push e.

one,

follows:

Place

adaptor

Remove

Place

divider

Place

divider c lamps

the

Insert

2-1.

are

or

feet

from

in

frame.

instrument

screws

Outline

two

frame

clamps

on

Diagram

accomplished.

units

on

submodular

between in

combination

either

side-by-side,

bench.

instruments.

position

into

side

of

frame

on

•

each frame.

and

2-14

This standard ilar-unit

instrument

19

inch

or

by

itself.

rack

may panel Figure

be

either

2-2

rack

mounted alongside a sim-

shows

how

in

a

both

2-1

Figure

2-2.

Rack

Mounting

One

and

Two

Units

,

2-16

2-17 either er

source.

is

wirec.

required

sourCE

2-18

(Figure

.~

I !

ip

b

JI

INPUT

This

2.

at

CONNECTIONS

POWER

power

nominal

The

for

115

when

full

2-3)

supply

115

unit,

Volt

operated

load

FI

TRANSFORMER

CONNECTIONS

OPERATION.

REQUIR"M"II:TS

may

be

Volt

or

230

as

shipped

operation.

irom a 115

is

55

Vlatts

FOn

230

VOLT OPERATION

o

P/O

SI

01

PRIMARY

FOR

operated Volt

from

The

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and

0.6

230V

from

4S-63Hz

the

factory,

input

power

60Hz

Ampere.

pow-

power

TI

b.

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and

taps 2 and

2-4,

and

are

located

c.

Solder

d.

Replace

230

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fuse.

normally.

2-20

POWER CABLE

2-21

To

protect Electrical ommends grounded. three is

the

plugged

ment cable tion.

2-22

erating use a three-prong nect

2-23

Manufacturers

that

the

This

conductor

ground

is

three-prong

To

the

conductor

into

an

grounded.

preserve

the

instrument

green

lead

REPACKAGING

jumper

4.

These

on

jumper

existing

Replace

operating

instrument instrument power

appropriate

cable.

The

connector

the

protection

from a Mo-contact

to

two-prong

on

the

FOR

between

taps

are

the

bottom

between

fuse

cover

and

personnel,

Association

panel

is

equipped

The

and

when

receptacle,

offset

is

adapter

SHIPMENT

taps 1 and

shown

of

the

taps 2 and

with

0.5

operate

the

(NEMA)

and

third

the

cable

on

the

ground

feature

adapter

to

ground.

in

Figure

unit.

3.

Ampere,

unit

National

reccabinet with

a

conductor

is

the

instru-

power

connec-

when

op-

outlet,

and

con-

3

be

2-19

input

eration supply power

as

follows:

tom

cover

Figure

Normally,

transformer

from

115

to

operation

transformer

a.

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from

2-3.

the

are

Volt

from a 230

windings

the

unit.

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two

primary

connected

source,

line

cord

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windings

in

paranei

To

convert

Volt

source,

are

connected

and

remove

of

the

in

for

the

op-

power

series

bot-

2-24

To

is

recommended

instrument

erial

is

your

local

the

materials.

dress

of

strument the

instrument

number,

or a brief

insure

reusable.

the

can

full

safe

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be

usee.

Hewlett-Packard

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nearest

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shipped.

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description

shipment the The

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office

service

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original

is

not

will

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the

of

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instrument, designeci packaging

contact

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attach a tag

owner,

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obtain

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model

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in-

to

2-2

OP:::RATING

61778

DC

HEWlETT<>PACK,o..RD

CURRENT

D-50V

SECTION

SOURCE

III

INSTRUCTIONS

•

3-1 TURN-ON CHECKOUT

3-2

The

the

use

and

ensures

cuits

are

be

checked

necting

a.

observe

b.

control desired

c.

with

no

d.

off"supply

following

of

the

that

operable.

with

delicate

Set

that

UNE

To

select

(3)

until

output

VOLTAGE

load

connected.

To

select

and

checkout

front

panel

the

meter

Actual

an

external

loads.

line/meter

light

front

voltage

short + and -output

switch

(2)

voltage

panel

(no

UMIT

constant

Figure

PROCEDURE

procedure

controls

and

outpu:

goes

limit,

meter

load

lamp

and

programming

current

ammeter

(1)

on.

adjust

(4)

connected).

(5)

current

3-1.

describes

indicators

before

to

VOLTS

indicates

sho.uld

output.

terminals

Operating

cir-

should

con-

and

VOLTAGE

be

on

tum-

(front

Controls

or

sired Adjust rent.

termina

3-3

3-4 mode strapping

on

ply. white

3-1

and

rear).

e.

output

CURRENT

=.

Is

OPERATING

The

of

operation

the

terminal

The

on

the

Indicators

Set

switch

current

control

Remove (front

power

connections

terminal

short

or

supply

can

strips

power

(1)

to

AMPS

range

with

(7)

for

and

connect

rear).

MODES

is

designed

be

selected

between

at

the

designations

supply

above

and range desired

particular

rear

are

load

so

by

of

the stenciled

or

below

select

switch

output

to

that

making

terminals

power

de-

(6).

cur-

output

its

sup-

in

their

res:Je.:::tive eit'18:-

300Vd::

DC.:

D0

str-:;J::: ma:nal.::

supply

if

r:vo.cis

D0

withou:

termmal

of:

to

a7

do

connected.

in

terminals.

ground

be

grounded,

the

not

contain

degrading

any

way.

0:-

operate

([loating).

front

to

The

the

grounc

panel

since

a grounc;

either

the

operator

power

If

one

can

supply

connection

the

terminal.

ths

iront

performance

ground

outnut

rear

or

rear

of

up

to

tenni-

must terminal The

ioad

termi-

the

ceeded, over

to

age

limit

tionately.

lamp

on voltage peak

voltages

(Refer

to

ths

power

constant

ane

the

Vrllen

the

front

limi'~,

allowance

which

Paragraph

s~ppiy

voltage

output this panel

can

3-34.1

will

output

current

occurs,

will

must

cause

automatically

a:

the

will.

the

VOLTJ.;,GE

light.

be

In

made

unwanted

preset

drop

setting

fo:-

crosS-

volt-

propo!"-

LHv1IT

the

high

crossover.

3-~

The

cecures bilitie.5 desc:iption

t~is

sU;Jply

Powe:-

Irorr.

3-6

ior

3-7 its

rear :::::onstant

Supply

your

NORMAL

The

grcr.:rr:in;, strcpping

opera

to:

usin~

the

no

s:rapping

Figure

following

for

utilizing

0:

the

power

concerning

is

contained

Handbook,

local

power

terminal

Current/Voltage

singie

pattern

merely

front

changes

3-2.

paragraphs

the

various

supply.

the

A

operational

in

Application

availatlle

Hewlett-Packarc.

OPERATING

supply'

strapping

MODE

is

normally

connections

Limiting,

uni:

mooe

of

is

illustrated

selects c constant

panel

controls

are

necessary).

Normal

Strapping

describe

oneratlOnal

more

theoretical

at

no

sales

shipped

o.oera-;:.ion.

in

Figure

current

(local

programming,

Pattern

the

features

Note

charge

office.

arranged

local

This

3-2.

output

pro-

capa-

90,

with

pro-

of

The

\A,ihen age front

grammed actuai the (using trol) nals.

3-10

CONNECTING

3-11

Loads

ways

be

the

supply reverse parallel. care

must

the

power

tend

to

the

icad paths

can

the

supply terminal connectec on

the

other

end

jects

the

affording

the

supply

method

shie

lded

leakage

-----'CAUTI

the

limit

pane 1 ammeter

output

operato::

the

without

for a constant

connected

is

used

is

true -the

For

constant

be

taken

supply'.

degrade

is

remotely

be

avoided

is

used

grounded)

to

the

fron:

and

left

unconnected. internal absolute

is

used

cannot

cable

for

most

unit

is

mode

(LIMIT

output

current.

to

set

iront

shorting

LOAD

in

as

to The

the

performance

located

by as a positive one

guard

terminal

guard

protection

as a negative

be

utilized.

will

be

applications.

NOTE

operating

indicates

current

the

panel

current

series

.a

voltage

loads

mus:

current

avoid

presence

using

end

of

terminal

AO

voltage

sufficient

0

in

lamp

on)

rather

This

enables

OU:PUI

CUP",q;::K'I

t1-:e

output

Source

(never

limited

be

operation,

shunt

paths

of

0:

the

from

the

Shielded

source

the

shield

(designated

on

the

rear)

This

effectively

along

against

source

However,

to

prevent

N-----

the

vo

It-

the

pro-

than

the

currer:t

con-

tenni-

must

in

pa::allel).

source,

connected

ex:reme

external.

shunt

paths

supply.

supply,

cable.

(negative

can

and

the

shield

leakage.

the

use

al-

If

the

in

to

will

If

shunt

If

be

GUARD

the

pro-

If

above

of

a

shunt

3-8

CONSTANT CURRZNT

3-9

To

select a constant

as

follows:

a.

With

(see

NOTE).

output

AGE

control

(voltage

If

a

load

b.

adjust

current.

"'Vith

for

limit),

change

output

CURRENT

output

maximum as

determinec

caUSes

current

terminals

output

the

voltage

shorted

control

open,

voltage

by

load

output,

for

adjust

conditions.

limit

proceed

or

open

desired

VOLT-

allowable

to

be

ex-

3-2

3-12

3-13

Never minal rear).

connect

to

the

This potential amplifiers in

damage

OPERATION

The

Shaded

the

negative

GUARD

(terminal

places a high

at

the

input

of

differential

Q18

and

Q19

end

to

these

components.

OF

SUPPLY BEYOND RATED

area

on

the

front

output

AO

negative

will

panel

ter-

on

the

result

meter

OUTPUT

face

indicates that

is Although region anteed tions.

above within

3-14

OPTIONAL OPERATING

3-15

REMOTE PROGRAMMING, CONSTANT CURRENT

3-16

Either a resistance

be

used

the

supply.

pane 1 is

supply.

3-17

Resistance

this

mode,

termined efficient. output this

manual. tennined rent

which

If

greater

be

aChieved

in

Section

the

available

the

supply

without

to

meet

However,

11SVac,

its

specifications.

to

control

The

disabled

the

by

the

This

current

by

the

is

programming

by

V.

amount

in

excess

can

being

all

of

if

the

supply

the

CURRENT

when

Proarammino

output

remote

coefficient

range,

The

programming

constant

adjusted

changing

of

output

of

be

operated

damageci,

its

p8riormance

line

will

or a voltage

constant

control

remote

current

resistance

is

as

shown

current

to

500

accuracy

resistor

+

AO

current

the

rated

it

cannot

voltage

probably

MODES

current

on

programming

(Fiaure

varies

programming

different

in

Table

coefficient

programming

±S~~

at

is

required,

R35

AI

A2 A3

or

voltage

output.

in

this

be

specifica-

is

maintained

operate

source

output

the

front

3-3).

at a rate

for

each

1-1

is

the

factory.

as

outlined

Shaded guar-

can

of

the

In

de-

co-

of

de-

cur-

it

can

-----CAUTION'-----

If

the

AI)

should mote current damage load. A protection

Model

can

be ming ity; the

resistor

gramming

1-1.

3-19

If

the

is

grounded, current negative such ance

3-20 mode. determined given

the or

voltage

Sl77B)

cess pation

as of

Voltaae

in

source

0-2.

of

paths

output

this.

the

Table

5

Volts

should

or 3 Volt.

this

in

the

programming

open

programming

will

rise

the

power

6177E

connected

terminals

however.

negative

supply,

output

by

is

will

or

will

coefficient

care

must

from

the

terminal

will

seriously

Proarammina

current

the

voltage

l-L

apprOXimately

(Model

never

(Model

result

instrument

terminals

at

any

mode,

to a value

supply

resistor

5Kn

Model

across

to

avoid

note

that

alter

the

given

output

The

exceed

terminal

be

taken

programming

(ground).

degrade

(Fioure

varies

programming

entire

0-1

6181B).

in

excessive

and

possible

time

in

the

that

and/or

(2Kn

6181B)

the

possibil-

the

addition

linear

in

to

3-4).

at a linear

voltage

Volt

The

1.

2

Volts

yo!tages

(AD

and

the

re-

output

may

the

program-

of

pro-

Table

of

the

supply

avoid

leakage

source

Shunt

programming

to

paths

the

perform-

In

rate

coefficient

span

(Model

(Mode

power

damage.

this

in

dissi-

•

the

for

6177B)

1

ex-

Figure

3-18

Use efficient power

ity

discrete

break

put

power the

supplies

specifications.

type

current

supply

switching

PROGRAMMING

RESISTOR

•

3-3.

Remote

Constant

stable,

programming

temperature

values

of

will

switch

if

of

exceed the

interval.

Resistance

low

noise,

resistors

A

switch

output

should

switch

'< - )

~?'

...-:

L-

Programming,

Current

low

temperature

to

maintain

coefficient

may

be

current. A rI).ake-before-

be

used

s'ince

the

maximum

contacts

open

and

used

rating

the

stabil-

to

the

of

during

~

co-

set

the

out-

Figure

3-21

The

5DOllA terminal matic), programming voltage

Al

imposes

source

3-4.

from

mode.

must

+

'191<;:>10101

VOLTAGE

Remote

Constant

programming the two

4:tr=

SOURCE F

Voltage

Current

reference

restrictions

The

first

be

capable

AO

A I

~

+

current.

supply

restriction

of

A2

A3

Programming,

flowing

(see

sche-

in

the

voltage

is

that

sinking

(absorb-

into

the

3-3

in

g)

this

500~

is

that,

if

the

programming

rent

to

rise

note

of

Paragraph previous emp under

3-22

no~

gramming by cuit programming eliminate ren:. open

programming results

sive

3-23

is

(ungrounded).

from

must

the

terminal

leakage. case the

3-24

ly

leyed

to

any

Ii

the

sink

the

current

removing

board.

the

Opening

terrr.inal

in

output

If

the

grounded,

the

floating

be

avoided.

voltage

(AD)

is

not

power

REMOTE PROGRAMMING, VOLTAGE LIMIT

current

the

programming

current

to

an

excessive

3-18),

mentioned

limit

the

conditions.

user

finds

SOOpp.

path resistor This

does

perionnance

need

R37

protection

tenninals

zero

output

current.

negative

the

voltage

In

addition,

source

affording

If

this

methoc.

grounded

line.

and

the terminals

will

cause

level

Protection

in

the

CAUTION

output

programming

R37

for

also

output

To

accomplish

can

by

that

his

to

terminal

from

not

detract

in

sinking

obviates

resistor.

with

no

current

source

shunt

to

the

be

connected

complete

is

used.

any

current

any

terminal

other

second

voltage

curren,.,

the

way;

the

programming

instead

must

negative

protection

restriction

are

the

(refer

resistors,

note,

to a safe

Al

can

main

from

but

programming

the

need

Opening

of

be

leakage

this,

to

ensure

means;

opened,

output

to

CAUTION

can

source

the

be

opened printeo the

voltage

does

for

the

current

an

exces-

the

supply

floating

paths

terminal

the

case

the

guard

against

that

such

cur-

va

pro-

an

the

be

lue

can-

cir-

cur-

of

as

Figure

mode,

with

Similar Paragraph capable

2. 3mA

into

sorb can of affect

the

terminal

this

be

02

(see

the

(Model

3-5.

Remote

voltage

programming

to

voltage

3-19,

of

sinking

6181B)

AS.

current,

opened

by

schematic).

operation

..;..

AO

i01CX19~

PROGRAMMING

-

A4

Resistance

Voltage

limit

will

voltage

programming

the

voltage

the

1. lSmA

programming

If

the

users

the

programming

disconnecting

This

of

the

Ai

A5

Limit

vary

(voltage

the

source

(Model

source

does

supply

A2

A3

A6

Programming,

in

a I

source).

output

used

6177B)

Cb1.rrent

cannot

current

the

collector

not

adversely

in

any

to 1 ratio

current,

must

be

or

flowing

ab-

path

lead

way,

3-25

The

voltage

grammed

if

required.

trol

3-26 voltage programming

6177B age or

2. within curacy described

3-27 A switch various crete before-break

ing

(-

and

normal

3-28

with a remote

is

disconnected

Resistance

limit

or

435.n.

programming

3mA

(Model

20%.

can

be

in

resistance

voltages.

the

programming

interval.

A6)

causes

and

may

Voltaae

limit

of

the

resistance

Note

that

the

front

by

the

foliowing

Prooramminc

of

the

supply

coefficient -870.!'.

per

Volt current 6I8lB)

Adjustment

achieved

Section

can

be

values

The

contacts

Opening

the

damage

Proarammina

is

determined

for

Model

is

1. 15mA

and

is

of

the

by

changing

V.

used

in

order

switch

terminals

should

to

avoid

the

programming·~terminals

output

the

voltage

load

(Figure

supply

(Figure

factory

conjunction

during

can

or

voltage

panel

VOLTAGE

procedure

3-5).

per

Volt

6IBIE.

(Model

adjusted

programming

resistor

to

obtain

have

momentarily

the

to

rise

device.

3-6).

be

by

the

for

Model

The

61778)

ac-

with

dis-

make-

open-

switch-

above

In

this

pro-

source

con-

s.

The

volt-

to

R6

as

Figure

3-29

EXTERNAL

3-30

If

required,

RL

3-6.

accurate

they

+

AO

AI

A2

A3

101~lsa101

~

VOLTAGE

SOURCE

=#f+

0

1

'1

-

Remote

Voltage

VOLTAGE MONITORING

indications

can

be

obtained

A4 A5 AS

Voltage

Limit

of

1°1

Programming.

output

with

voltage

an

are

external

3-4

voltmeter, one

end

of mina 1 (AO). from

the

main formance were

connected

terminals.

?s

shown

the

meter

This

effective

power

ciegradation

directly

in

Figure

is

connected

supply',

that

across

VM

3-7.

Notice

to

the

ly

isolates

preventing

would

occu~

the + anc -output

the

i:

guard

ffi€ter

the

that

per-

meter

ter-

peres. to

swing

p-p,

61818)

ternal

The

beyond

fo:-

Model

or

damage

output

61778

clipping

will

current

the

of

result.

rating

or

the

+

should

of

the

2S0mA,

output

AO

Ai

never

supply

p-p,

and

A2 A3

be

(SOOmA,

for

Model

possible

allowed

in-

•

Figure

3-31

3-32

an

ac

current

stant

trolled while determined percentage

tude

of

the

series Esource mula, of

2K.n.

from

the

level

of

.::urrent

3-7.

External

The

external

more

than

source age. A current will

serious

the

power

EXTERNAL AC MODULATION

Figure component

of

the

current

in

the

ac

by of

the

external

resistance,

(pk-pk)/RX

the

user

and

a 2

external

lOOmA

would

voltmeter

2mA

that

provides

ly

supply.

3-8

shows a method on

supply,

source.

normal

component

the

modulation

would

Volts

source

by

100%.

swing

101

-

A4

Voltage

NOTE

from

the

drain

impair

top

of

the which The

dc

fashion

of

the

is

voltage

as

follows: % Modulation

(in

J:..1.

require

peak-to-peak"±nput

to

In

between

I

A5 AS

Monitoring

must

not

auxiliary

guard

in

excesS

the

operation

of

adjustable

is

operating

current

from

the

output

percentage. affected input

and

Using

an

external

modulate a de

this

case,

-200mA

draw

volt-

of

2mA

of

superimposing

de

output

as a con-

level

is

con-

front

panel

current

by

the

and

is

The

the

ampli-

value

above

resistance

signal

current

the

output

zero

Am-

for-

of

:;;;;

j

idJ!81!i;i

A4

A5

Figure

3-33

The chosen smaller

input supply modulation imately

3-34 the modulation p

lished and these

3-35

3-36

3-37 over ation limit)

limit

voltage

loading) crossover not quirement

so

frequencies

can

Notice

dc

output

connecting

terminals.

SPECIAL OPERATING CONSIDERATIONS

PULSE LOADING

The

from

in

may

desired,

coupling

that

than

RX

be capability

10%

at

that

current

mode

by

removing

power

constant

response

the

output

be

set

high

peak

may

exceed

to

occur.

set

and

3-8.

External

capacitor

its

reactance

at

the

up

to

modulated

1000Hz.

it

is

of

operation.

the

programming

supply

current

to

an

voltage.

higher

voltages

the

If

the

preset

not

the

AC

is

frequency

100Hz

100%.

decreases

possible

the

supply

strap

will

automatically

to

increase

than

the

(as

preset

this

crossover

limit

average.

(C

the

between

voltage

Although

occur

A6

Modulation

)

should

e

at

least

of

interest.

output

Above

linearly

to

This

source

average

limit

for

remotely

in

the

can

limiting

(over

in

and

the

100Hz

Al

the the

limiting

be

ten-times

For

of

the

to

approx-

program

external

be

accom-

and

A2

across

cross

operpreset preset

output

pulse

cause

peak

re-

•

the

is

..

3-5

3-32

3-39

the

supply".

the

diode

negative

to

the

negative

ing

current

series

3-40

3-41

REVERSE

Diode

CR34

Under

is

reverse

terminal).

output

terminal),

across

transistors

REVERSE

k-.

active

VOLTAGE LOADING

is

connected

normal

If a reverse

terminals

the

it.

and

CURRENT LOADING

load

operating

biased

(positive

diode

This

drivers.

connected

(anode

will

diode

internally

conditions,

connected

voltage

conciuct,

protects

to

the

power

across

is

applied

shunt-

the

supply

to

may

actually·

supply

external

into

the

CR35

and

ative

output

from

damage However, necessary resistor through vice.

deliver a reverse

during c portion

source

supply

so

the

CR36,

lead,

by

to

avoid

to

preload

that

entire

cannot

without

connected

protect

blocking

regulation

the

power

operating

the

of

be

loss

these

supply

current

its

operating

allowed

of

regulation.

in

series

internal

reverse

degradation,

supply

cycle

to

pump

with

components

with

a'

delivers

of

the

power

cycle.

current

Diodes

the

currents.

it

is

dummy

current

load

An

neg-

load

de-

3-6