HP 11096A User manual

•

OPERATING

HIGH

NOTE

FREQUENCY

PROBE

11096A

HEWLETT~

PACKARD

Page 2

Mode

l J

J096A

LT

AGE RANGE:

VO

RESPONS

to re

AC TO DC T

megohms

+ 1

ad rms

o°

C

E: R

value

RANSFER

± 10%.

to + 30°

< ± 3

I

NPU

T IMPEDANCE : 4

Th

e High

specifications.

MAXIMUM INPUT:

*Th

e AC

of

10

MS1

to

±10

Frequen

DC Transfer A

%.

0.25

esponds

of a sine

C ±

dB

at

cy

30

V to

30

to

peak

value o f i

wave

input.

ACCURACY:

JOO

kHz

0.5

10

kHz and

megohms

Adapter

volts rms AC,

ccuracy

adds

specificat

Table 1. Model I I

V.

nput.

*Loaded with

JOO

MHz

dB

± 1.2

700

MHz.

shunt

ed

by 3 pF

I pF

to

200

volts DC.

ion

Cal

ibrated

500

MHz

dB

the

is

with the I

10

max.
3 p F

096A

Spec

ifications

CABLE

CA

WEI

ACCESSORIES

ACC

1096A

CONNECTION:

all s

tandard

BLE LENGT

GHT:

Ground
Straight Tip

H

ook

High

Frequency

ESSORIES AVAILABLE

110

63A

l

1536A

1

0218A

10219A Type

I 0

220A Mi

probe operating into

3-1

/2

Lead

Tip

50 Ohm T
50
BNC

cro

Shielded dual

3/4 inch dual

H:

4 ft.

(12

oz

net.

SUP

PLIED:

Adapter

ee

Ohm Tee

Adapter

874

Adapt

dot

Adapt

a de vol

banana conn

J. 9

cm) minimum.

:

er

er

tmeter with

banana

ect

ors.

input

plug

. Fits

resistance

1.

DESCRIPTION

2.

The

-hp- Model I

conv

erts

a

de

voltmeter

T

he

probe

is

used

to

30

volts over a

111e

accuracy

100

MHz

range of + I
the

I I

096 A Probe

s

hows the J l096A
voltmeters.
following

3.

COMPATIBLE

4.

Th

e -hp- I

any

de voltmete r wi

±

10

%. D

li

sted

below.

permits

5.

6.

three

Hook

measurements up

I
be
availa

direct

-hp- Model

-hp-

Mod

-hp- Model

-hp- Model

OPERATION

To extend

probe-tip accessories are

Tip with

00

MHz

used

ble

of

and

± 1.2

o°

C

Compatible

paragraph.

1096A

irectly

compa

The shjelded

connection

427 A Voltmeter.

el

3440A
3439A
3430A

the

the

High

with a 50

accessories illustrated in Figure 1.

.

1096A High

into a high

f1;or

ac voltage

f~equency

measurement

dB

to

to + 30°

are

DC

C.

listed

Probe with

de

voltmet

VOLTMETERS

High

Fre

th

an

input

tible Hewlett-P

dua

to

Digital V
Digital
Digital

frequency

measurem

range

of I 00
is

0.5

500

MHz

over

Additional

in Table

1.

two

ers are desc ribed

.

quency

l-banana

voltmeter input.

oltme
Voltmeter
Voltmeter.

Probe op

resistance of IO megohms

ack

ter wi

with

.

use

of the -hp- Model l

supplied.

the

gro

und

lead
to 100
Frequency

Ohm

MHz.

Adapter

Tee.

For

measurements above

permits

a BNC

Frequen

specifications for

ard voltmeters are

plug on

The
can

Adap

cy

ac voltmet
ents of 0.25
kHz

to

dB 100

th any

500

kHz

a te

mperature

TI1e

front cover

compatible

erates

the

plug

any plug in.

1096A Probe

Str

aight

be

used

the probe

ter or

Prob

volts

MHz.

in

the

into

probe

in.

Tip

other

er.

to

de

for

e

or

to

7. For
connec
resistance.
the voltme

8.
positive
wa v
shielded

GND Plug

Attach the
connect

9.

10. The H
measurements
H

igh Frequency Adapter with

in

proper

ted

to

The Probe

ters listed

Since the l

de

e,

set the

dual

probe to

USE

0 F

ook

Figure

I.

operation

a de

voltmet

may be used dir

under

To use

de voltmeter.

shunt

voltmet
the Probe.

voltage equivalent to the rms v

connected

desired

The
Straight
High Fr
not
when
accessories

l096A Pro

de

voltmeter

banana

cir

cuit

ground lead

require

TIPS

.

Tip

up

to I 00

the Pro

resistor

er input

plug to

to

probe

under

Tip

equency

used

shown

or

the

11096A

er with

Par

agraph

NO

TE

be wi

th

connect a

across

before

be

converts the

for

a + VDC reading. Connect

voltmeter

the com

tip

to

test.

NOTE

is

req

uired

or

Hook

Adapt

the

gro

with

one

in Figu

Straight Tip can

MHz.

Above I 00

one

of

Probe

10

fl!D

ect

ly

with

4.

100

~IS1

11

MS1

the

attaching

de

mon

the

probe

with

Tip. T

he

er

does

und

lead

of

the

re

I .

the

accessories

input

input term

must

± 10%

input

any

one

ac input

alue of

be used for

fllHz use

to a

a sine

with

jnal.

body. and

shown

be

of

the

the

(

)

Model

11096A

ACCESSORIES

AVAILABLE

Page 3

I

M

ICRODOT ADAPTER

10220A

BNC

A

~

10218A

ADAPTER

TYPE 874

_,

10219A

ADAPTER

50

Figure l . 1 l

OHM

908A

LOAD

096A Probe

l

Accessories

)

11

. MAXIMUM

J 2.

The

maximum input voltage
volts rrns ac.
a

de

level up

INPUT

.

or

200

volts de.

to

200

volts may

WHEN
VOLT
ON
CHANGE
MORE
WITH
CONNECTED
CIRC
OTHERWISE

TRA~SIENT

THE
PROBE.

MEASURING AN

AGE

A

DC

UIT U

DIODES WITHIN THE

An

be

SUPERIMPOSED

LEVEL, DO NOT

THE

DC

THAN 200

TH

E

DER

A VOLTAGE

WILL

with

any

probe

tip

ac signal superimposed

measured if desired.

AC

LEVEL

PROBE

TO

BY

VOLTS

THE

T EST ;

DA.t\1AGE

13. COMPATIBLE

14

. ·hp·

is

30
on

15. With

Voltmeter

extended

0.25 volts
accuracy
Voltmeter.

Model

the

the
from l MHz
to

of.the

16. ·hp· Model

17 . With

-hp- Model
signal being measured is displayed directly
pane
with
available plug-in units
3446A). With
microvolt resolution is available

the I J096A

l digital display as

the

3440A

DC

427A.

11096A

upper

30

volts

prob

3440A

3440A,

or

3439A Digital V

the

3443A and

VOLTMETERS

Probe

attached

end

of

the

to

500

MHz. Voltage levels from

can

be measured with.in

e plus

the

de accuracy

or

3439A

.

Probe attached

or

3439A,

a+

may

the magnitude

de

voltage. When using the

be used (-hp· Model

3444A Plu

on the

.

to

-hp· Model

427

A fre4uency range

the

of the

to

the

input

on

oltmeter

any

g-in Units a 100

1000

mV

specified

of

the

one

344

I A

range.

427A

427

of

the

the

front

Pro

of

the

thru

is

A

ac

be

Page4

18.

-hp-Model

19. When using the P

Di

git Digital
all usab le ranges.
1000

mV range.

meas

ured

display as a + de vo

Voltmeter

is d

isplaye

3430A

and

The magnitude

lta

.

robe

with the -hp- Model

, a 60% overranging is available on

a 1 mV resolution

of

the ac signal being

d directly

ge.

on

the fron t panel digital

is

available

3430A

on

Four

the

Model

11096A

(

20. THEORY

21.

The

with

a voltage divider. The

signal

into

the

input.

Figure 2.

22.

The

Cl

, d

etection

R2.

an

d Rin
through diode
produce
This positive voltage is equal to
below

the

divider consisting

I 0

MS1
voltage
Rin

is

required

23. At low voltage levels
diode characteristic curve is compensat
On t he linear portion

the

curve
CR2

, R2

the

peak
portion
compensates for non-linearity
changing

24. Resist

of

the

voltage divider. R3 * value range

Refer

to

R3* must result in

of

3 volts at I MHz at

OF

OPERATION

11096A

1109

a positive

in

put

down

and

at

of

the

or

Paragraph

High Frequen

a positive de voltage

The schematic

6A P

robe

dio

de CR!, resistive divider RI , R

of

the

de voltmeter. Capacito r

CRI

during

de

voltage at jun

de level

divisi

the

of

the

of

RI

resistance of the

to

an

rms value. A

to

provide

of

on

ratio

Rin)

remains

the

junc

tion

diode

curve. low voltage levels.

division ratio

R3 *

is

selected

43

an

accuracy

room

.

cy

Probe is a

probe

equa

for

the

11096

includes a

negative cycle

th

input

signal.

and

R3 in series with CR

de

voltmet

JO

the

proper

the

non-lineari

the

detecto

of

the

voltage divider, (Rl ,

constant, and

of

R3

and

CR2.

of

CRJ

of

the

divider.

to

calibrate the division ratio

for selection

of

0% t

temperature.

converts the

de

ction

e negative peak va

division ratio.

r diode characteristic

of

25. MAINTENANCE.

peak

detector

ac

input

l to the rms value

A Probe

blocking capacitor

The

er

MS1

ed

is

R3*. The value

o+

is

shown

3,

CR2,

Cl

charges

of

the

input

of

CR I and RI.

resistive voltage

2,

R2

divid

es

the

peak

inp

ut

resistance.

ty

of

the

detector

by

diode

CR2.

results in 0 .707

On the non-linear

diode

CR2

by

prop

ort

ionally

SO

kS1

to I 00

3%

with

an

input

of

lue

and

R3.

of

Hl.

of

in

to

Cl RI R

I

INPUT---1r--

28.

The test equip

checks

e

qui

pm

re

commen
available.
characterist ics listed

29

. low Fre

30.

This

Ac

cura

100

kHz

cation

indi

31.

The following test

required for

Test Oscillator
AC
DC Volt
SO

OOPF

CRI

Figure

2.

Schematic

is

listed in Table 2. Table 2 includes the type

en

t required. critical specification. and
ded model. If

equipment

The
checks
an

ambient

+

10°c

+

86°F).

quency Response Check

chec

k verifies

cy

of

± 0.5 dB from I

is

used

as

on

test oscillator.

the low

Voltmeter

meter

Ohm

Feed-Thru

825K

-~w...-----.;.,..._----o----,

,~

-

------

and

ment

required fo r

the

which meets or exceeds the required

may be substituted

NOTE

following

must

be performed under

temperature

to

+

30°c

3•

69.8K

3_._3~-~

Component

model

recommended

performance

(+ so° F

CR2~'

_

the

.

of

to

____

JO

Location

performance

.

11096A

00

a reference

equipment

frequency response

Termination

AC

to

DC

Transfer

kHz

to

I 0 MHz. 3 volts

to

establish a reference level

listed in Table 2 is

check:

:

'

'

~ Rin

M

the

is

not

of

(

at

26.

PERFORMANCE

27.

The following Performance Checks verify proper

tion

of

opera
entire frequency range. The performance checks compare
th

e Model
specification. These checks may
maintenance. post repair.

the

11096A Probe

CHEC

KS

11096

A High Frequency Probe over its

with its published accuracy

be incorp

and

incoming inspection.

orated in periodic

a.

Connect a ca
vol

tmeter

"A".

b.

Set digital voltmeter

Set oscillator frequency

c.

the output
voltmeter.

ble between

as illust

for

3.000

test

oscillat

rated

in Figure

to

measure 3 volts ac.

to I 00

volt indication

or

3.

kHz.

and

digital

connection

and adjust

on

digital

(

)

Model I I

d.

e. Disconnect

f.

096A

Adjust the
reference level indication

meter. Do
the reference. Note

function
Probe to test oscillator
Figure

Observe de
and

2.832 volts.

not

to

3.

REF

SET co

adjust

the

connection

measure de,

voltmeter

ntrol on

the

reference le

"A"

and

indication betwee n 3 .16 8

oscillator

on output

amplitude control

; s

et

digital voltmet

conne

output

as illustrated in

vel

indication.

ct

the

monitor

11096A

for

to s

et

er

Page 5

a

j.

Observe vol

0.2832 .

k. Return test oscillator

output

l. Co

nt
repeating Steps f
set

at
oscillator a
established in
changed.

tmeter in

).

inue to check the Model 11096A Probe by

thru k with

500

kHz,

I MHz and I 0 MHz. Readjust

mplitude

Step

d each

dication betwe

attenuator

to

reference level indication

time

en

0.3 1

to

+ 20 dB. (3 V

oscillator frequen

the

frequency is

68

and

cy

NOTE

The

following steps verify

DC

Transfer Accuracy

and

0.3

volt

input.

g. Using test oscillator

10

dB

(0.95

volts).

h.

Observe

0.894

i. Using test oscillator

additional

Test Oscillator

AC

voltmeter

volts

(10

dB

10

dB

(0.3 volts).

INSTRUMENT

TYPE

Voltmeter

AC

to

with

0.95

attenuator

indication between

down

attenuator

decrease

from 3 volts).

, decrease

Table 2. Test

Range: I
Output:
Flatness: Adjustable

Voltage Range: 3 volts

Frequency Range:
Accuracy:

output

l.006

output

CHARACTER

and

REQUI

00

kH z to

3 volts

± 0.5%

by

an

Equipment

RED

to

0.3 volts

100

of

32. High F

33.
Accuracy

34.
required for

ISTICS

10

MHz

to

0.5

kHz

full scale

req

This

check

of±

The

following test

the

VHF

Signal Generator

DC

Voltmeter
Power Meter
50

Ohm

Tee

Requir

ed

%

uency R

1.2 dB from

esponse Chec

verifies I

high frequen

with

Thermis

k.

I096A

the I 00

equipment

cy

tor

RECOMMENDED

-hp- Model 652A
st

Te

-hp- Model

Multimeter

AC

MHz

listed in Table 2 is

response check:

Mount

MODEL

Oscillator

3469

to

OC

to

500 MHz.

B

Transfer

)

Voltmeter

DC

VHF

Signal

Power Meter

50

Ohm Tee

50

Ohm

Feed-Thru - - - - -

Termination

Adapt

er

Generator

I

nput

Resistance:
Voltage Range: 3, 1,
Accuracy:

Frequency Range:

Output

Frequency Range:
Power Range:
Accuracy: ± 1 %

Frequency Range:

VSWR: < 1.15

BNC

±

Level: I volt

to

Probe Adapt·er

10

0.5% of

10

milliwatts

Mfl ± 10
and

.3 volts full scale

full scale

JOO

MHz

100

MHz

1

00

MHz

%

to

480

MHz

to

480

MHz

to

480

MHz -hp- Model I

-hp- Model
Multimeter

-hp- Model

VHF

-

hp­Power Meter
Thermi

50

Ohm

-hp- Model I I

50

Ohm

-hp­BNC

608E

Signal Generator

Model

stor Mou

Tee

Feed-T

Model I

Adapter

3469

8

432A/4

and

nt

!063A

048C

hru

02 I 8A

78A

Page

6

Model l

1096A

T

EST

OSCILLATOR

hp6

52A

l....___I

JS/

_

@

_

~

ll0

96.A.-B-338S

a.

Connect
illustrated in Figure 4 ; set de voltmeter on 10 volt
range.

b.

Set signal generator frequency
adjust
power

the

output

meter.

test

equipment

for 10 milliwatt indicati

NOTE

--+---

;

J

I I

I I

: I

I )

1

F~D~~~

I

hp

11

048C

----il!l:D>--<:

Frequency Response Check and Calibration

096A

Probe

100

MHz

on on

Figure

,

___

3. Low

to

l I

to

as

and

the

,,--fUJl

,,,,

',

t---------------1

'

'---WJJP:•

!ll•

BNC ADAPTOR

hp

10 2 1

8A

10 MQ

available, any one

Paragraph 3 may be used

in

39. CHECK

40.
the

PROeE

a:::P=

ll

09=6=A=---------

input

resistance may be used

DIODES.

If

the

trouble

following steps:

MULTIMETER

hp

34698

~

~

-

---1

E:b----':

I

==u----_)

as a substitute

of

the Hewlett-Packard voltmeters listed

appears

as a substitute

to

be in

.

the

probe, proceed with

(

.

If

Monitor
indication for a few minutes
assure
has stabilized.

c.

Observe de voltmeter indication be tween

and

0.668

dissipated across

d. Repeat Step b with signal generator set

200

MHz,

serve de

0.616

volts.

35.

TROUBLESHOOTING.

36

.

If

th

e I I

096A

or

specifications

the

procedures
procedures
trouble

any troubleshoot ing. an investigation s
ensure

to
being us
be

to a component

that

the

probe

ed

tw

een

the

if

outlined

outlined

the

trouble is

and

with

tee

and

37. SUBSTITUTE

38

. The first step

th

to verify
volt met
voltmeter in place

probe when the trouble occu

at the trouble is in the probe and not the de

er.

This may be done by substituting a

the

power

that

the

signal generator

volts. Note: 0.7

50

ohms.

300

MHz,

400

voltmeter

the probe becomes inoperative, perform

in Paragraphs

de

l 1096A Probe verify

the

indication

Probe

voltmeter

is

in

Paragraphs

or

connection. Before performing

not

a re s

in use.

probe

.

VOLTMETER

in troubleshooting

of

the one that was conn

rred. A

meter

07

volts=

MHz

and

between

not

within its published

37

and

39

hould

ult

of

conditions

If

prop

.

the

ny

de

to

0.749

10 milliwatts

480

MHz. Ob-

0.812

and

37

and

39.

The

will isolate

be made

external

a

50

ohm

tee

er

connec

tion

l 1096A Probe is

not

her de

ect

ed

to the

voltmeter with

at

the

to

is

a.

Remove probe

b. Loosen set screw

housing

The probe
disconnected
cir

cuit board

housing.

c.

Check diodes

to

Refer

is

completely inoperative
trouble
the

probe is within specified accuracy at 3 volts
and above ,
the

trouble
probe reads high, 0.25 volts to
is most likely an

It is
the diodes from

checking for open

d.

If

bo

th

cathode o f

ie

ld

sh

cri

mp

to GND banana plug on shield con nector.

tip

or

High Frequency Adapter.

on

the

toward

connector. Check con tinuity from cable

the

shield

NOTE

ground

with

outside

CRl

and

Figure 2 for diode location.

is

most likely an

but

reads

low

is

most

likely a

op

ening in

NO

TE

not

necessary

th

diodes check good. che

CRI

to

the appropria te banana plug on

probe

, and slide

connector.

continuity

of

CR2

open

with

to

disconnect
e circuit when
or sho

printed

probe

for

(no

voltage

or

shorted CR!.

input

short

30

volts

the CR2,

rt.

ck resi

is

open

ed CR2.

the

probe

or short.

If

the

probe

out)

the

If

below 3 volts

If

the

the

trouble

R2

branch.

stan ce fr

om

(

Model 11096A

Page 7

)

11

e. Visually

connection.

SIGNAL GENERAT

hp608C

•

GENERAL

VHF

096A·B<3386

check capa

TYf>E

citor

OR

RADIO

TYPE 874

TO

N M

Cl

ALE

for

Figure

open

4.

lead

PROOE

hpll09GA

High Fr

or

loose

MULTIMETER

hp

34698

G£NERAL RADIO

nPE

874

TO
N FEMALE

TYPE

THERMISTOR

MOUNT

hp478A

equency

Response Check

POWER METER

hp

432A

c. Observe de voltmeter

an

d 3

.090

volts. 0%

to+

indication

3% high.

between

3.000

)

41.

REPLACING

42.

Diodes

However,

if

DIODES

CR

I and CR2 m

replacement

.

of
change in frequency response,
replace

CR!

again.

BOTH DIODES

IN

GLASS
APPLIED
BODY

COULD

.

TO

ARE

ANY

THE

BREAKAGE.

43.

CALIBRATION

44. After

replacing

AFTER

the

diodes verify

Resistor R3* by performing the following st

a. P

erform

Steps a

thru

29.

)

b.

Set

oscillat

or

frequency to I MHz.

oscillator

Step

in

amplitude

d. Paragraph

ay

be

replaced separatel

CR! causes

it

may be necessary

too

large

HOUSED

FORCE

DIODE

CAUSE

REPAIR

.

proper

eps

:

value

e outlined under Paragraph

and

readjust

to

reference level established

29.

of

y.

to

of

NOTE

Adjusting
a high reading

a

I MHz ensures a more ideal
r

esponse

frequency ran

d.

If

de

voltmeter

of R3*

value
volts, + 3%, increase value

Resistor R3*

1/8
30
approximate
reading. R3 *
with

the

11096A Probe

(0% to

over

ge

of

the

probe.

for

3%)

entire

indicates below 3 volts, decrease

.

If

de voltmeter in dicates above

of

R3*.

~OTE

should

W metal film resistor. A

kS1

change in

R3*

be

a good

will give

ly I% change in

may

be replaced

any

one

of

the foliowing

at

3.09

resistors :

100

kS1

49.9

kS1

45. REPLACEMENT

46.

Replacement parts
are listed in Figure 5.
view

of

the

probe

with
circuit assembly k
components

eye

mounted

-hp- Part No.

-hp-Part

PARTS

for 11096A High Frequency Pro

and Table

all mechanical parts and

d to

an

on

printed circuit assembly

No.

.

3.

-hp- P

0757-0465
0698-3228

Figure 5 is an

art

No. Table 3 lists

exploded

the

printed

Al.

be

all

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Page 8

Model 1 I

096A

REFERENCE

DESIGl'iATOR

Al

Cl

RI R: f

R2

R3*

- - -

- - - T

CRl

C

R2

Table J _ Replacement

Assembly: Pri

C: f

xd

xd car

R: f

xd

R: f

xd

Clip:

board ground

ip:

board

Di

ode:

Diode:

nted

cer

100

flm 825k.rl ± 1% 1/8 W

3.3

2M.rl ±1% 1/4 W

prec

met

Si

Si

DESCR

IPTION

Circuit

pF ±10%

tlm

200 vdcw

69.8k.rl ±1% 1/8 W

Parts

Printed Cirucit Assembly

-hp

PART

11096

-66501

0160-2343

0757-0487

0698

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06984504

03406-22108

11096-22110

1910-0016

1

901-0033

•

­NO. TQ

1

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(

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CD

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CD
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DESCRIPT I

Assembly: high frequency

Assembly: front body - ho

Assembly: fro

Assembl

Ring: rear

Set

Assembly: rear body

Assembl

Boot cover

Shield:

Washer: lock

y:

printed cir

body

scr

ew

y:

cabl

crimped sleeves

connector

ON

nt

body - straight

cuit.

e.

includes

-hp

-

PART I 0 .

adapte

r

I

10

96-62

103

ok

tip

11096-62 105

tip

11096

-6'2

104

A I 11096-6650 I

1

1096

-22

106

3030-0007

1109642101

I I

096-69

50

110

9642103

456A-55 A

2

190

-0027

Figure

5.

I 1DEX

NO

.

@

®
®
®
®
®

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I

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@

Exploded Vi

DESCRIPTIO

Nut:

1/4 ..

Conne

cto

r: male. with

Connector: male

Clamp: cabl e 1400-0081

Tie Point: gro

Spac

er

Washer: lock

Bolt: No.6-32

Assembly : ground le

Lable:

Operating Note I I 096-90000

ew

und

connector

cer spacer 1251-01 75

ad

shield 712

-hp-

PART NO.

2950-0006

1251-01 74

0360-0053

0380-0048

2190-0007

24

60-0002

11096-62106

0-0

896