Tektronix AM 503 User manual

503

CURRENT

PROBE

AMPLIFIER

ronbc

INSTRUCTION

MANUAL

Tektronix,

Inc

Box

500

Beaverton,

Oregon



97077



Serial

Number

COMMITTED

EXCELLENCE

PLEASE

CHECK

FOR

CHANGE

INFORMATION

THE

REAR

THIS

MANUAL

503

CURRENT

PROBE

AMPLIFIER

070-2052-01



First

Printing

SEP

1976

Product

Group



Revised

DEC

1985

1976,

1979

Tektronix,

Inc

All

rights

reserved

Contents

of this

publication

may

not

reproduced

any

form

without

the

written

permission

Tektronix,

Inc

Products

Tektronix,

Inc

and

its

subsidiaries are

covered

and

foreign

patents

and/or

pending patents

TEKTRONIX,

TEK,

SCOPE-MOBILE,

and



ilk



are

registered

trademarks

Tektronix,

Inc

TELEQUIPMENT

registered

trademark

Tektronix

Limited

Printed

.S .A

Specification

and

price

change

privileges

are

reserved

INSTRUMENT

SERIAL

NUMBERS

Each

instrument

has a

serial

number

on a

panel

insert,

tag,

stamped

the

chassis

The

first

number

letter

designates

the

country

manufacture

The

last

five

digits

the

serial

number

are

assigned

sequentially

and

are

unique

each

instrument

Those

manufactured

the

United

States

have

six

unique

digits

The

country

manufacture

identified

follows

B000000



Tektronix,

Inc

Beaverton,

Oregon,

USA

100000



Tektronix

Guernsey,

Ltd

Channel

Islands

200000



Tektronix

United

Kingdom,

Ltd

London

300000



Sony/Tektronix,

Japan

700000



Tektronix

Holland,

NV,

Heerenveen,

The

Netherlands

TABLE

CONTENTS

Page

OPERATOR'S

SAFETY

SUMMARY

.....

...............

....

..............

SERVICE

SAFETY

SUMMARY

...

......

..............

. .

....

..............



SECTION



OPERATING

INSTRUCTIONS

.........

......

................



1-1

SECTION



SPECIFICATION

AND

PERFORMANCE

CHECK

. .

................



2-1

WARNING

The

remaining

portion

this

Table

Contents

lists

servicing

instructions

that

expose

personnel

hazardous

voltages

These

instructions

are

for

qualified

service

personnel

only

SECTION



ADJUSTMENT

......

...............

.....

................



3-1

SECTION



MAINTENANCE

...

................

.....

...............



4-1

SECTION



CIRCUIT

DESCRIPTION

..............

.....

................



5-1

SECTION



REPLACEABLE

ELECTRICAL

PARTS

....

...............



6-1

SECTION



DIAGRAM

AND

CIRCUIT

BOARD

ILLUSTRATION

...............



7-1

SECTION



REPLACEABLE

MECHANICAL

PARTS

AND

EXPLODED

VIEW

.......



8-1

CHANGE

INFORMATION

503

LIST

ILLUSTRATIONS

Fig

Page

1-1

Plug-in

installation

and

removal

...

..............

.......

..............

1-1

1-2

503

controls

and

connectors

. .

...............

.....

..............

1-3

2-1

Test

setup

for

Dynamic

Range

check

...........

.....

.............

2-7

2-2

Display

tangentially

measured

noise

....

.............

........

3-1

Construction

details

for

Special

Adapter

......

............

. .

3-3

3-2

Power

supply

test

point

and

adjustment

locations

. .

.........

.............

3-3

Gain

and

compensation

adjustment

locations

.......

..............

.......

3-5

3-4

Example

correct

compensation

.........

........

..............

. .

3-5

4-1

Lubrication

procedure

for

typical

cam

switch

. .

.........

................

4-2

Semiconductor

lead

configurations

...........

........

................

4-4

Installation

lead-end

connectors

..............

.......

..............

Circuit

board

and

ferrule

assembly

..............

......

..............

5-1

503and

probe

waveforms

........

..............

.........

........

5-1

OPERATOR'S

SAFETY

SUMMARY

The

followi

text

contai

two-part

summary

general

safety

precautions

that

must

observed

during

all

phases

operation,

service,

and

repair of

this

instrument

OPERATORS

SAFETY

SUMMARY

The

general

safety

information

this

part of

the

summary

for

both

operating

and

servicing

personnel

Specific

warnings

and

cautions

will

found

throughout

the

manualwhere

they

apply,

but

may

not

appear

this

summary

This

Manual

TERMS

CAUTION

statements

identify

conditions

practices

that

could

result

damage

the

equipment

other

property

WARNING

statements

identify

conditions

practices

that

could

result

personal

injury or loss

life

Marked

Equipment

CAUTION

indicates

personal

injury

hazard

not im-

mediately

accessible

one

reads

the

marking,

or a

hazard

property

including

the

equipment

itself

DANGER

indicates

personal

injury

hazard

immediately

accessible

one

reads

the

marking

This

Manual

SYMBOLS

This

symbol

indicates

where

applicable

cautionary

other

information

found

Marked

Equipment

DANGER

High

voltage

REV

NOV

1979

Power

Source

Protective

ground

(earth)

terminal

ATTENTION

refer

manual

This

product

intended

operate

from

power

source

that

will

not

apply

than

250

volts

rms

between

the

supply

conductors

between

either

supply

conductor

and

ground

protective

ground

connection

bywayofthe

groundingconductor

the

power

cord

essential

for

safe

operation

Grounding

the

Product

This

product

grounded

through

the

grounding

conduc-

tor

the

power

cord

avoid

electrical

shock,

plug

the

power

cord

into

properly

wired

receptacle

before

connecting

the

product

input

output

terminals

protective

ground

connection

way

the

grounding

conductor

the

power

cord

essential for

safe

opera-

tion

Danger

Arising

From

Loss

Ground

Upon

loss of the

protective-ground

connection,

all

accessible

conductive

parts

(including

knobs

and

con-

trols

that

may

appear

insulating)

can

render an

electric

shock

Use

the

Proper

Power

Cord

Use

only

a power

cord

that

good

condition

Use

the

Proper

Fuse

Use

only

the

power

cord

and

connector

specified

for

your

product

Refer

cord

and

connector

changes

to qualified

service

personnel

avoid

fire

hazard,

use

only

the

fuse

correct

type,

voltage

rating

and

current

rating as

specified

the

parts

list

for

your

product

Refer

fuse

replacement

to qualified

service

personnel

503

Not

Operate

Explosive

Atmospheres

avoid

explosion,

not operate

this

product

explosive

atmosphere

unless

has

been

specifically

certified

for

such

operation

Not

Remove

Covers

Panels

avoid

personal

injury,

not

remove

the

product

covers

panels

not

operate

the

product

without

the

covers

and

panels

properly

installed

Not

Operate

Without

Covers

(for

500

plug-

ins

only)

avoid

personal

injury,

not

operate

this

product

without covers or panels

installed

not

apply

power

the

plug-in

via

plug-in

extender

REVA

NOV

1979

Not

Service

Alone

REVA

NOV

197

SERVICING

SAFETY

SUMMARY

FOR

QUALIFIED

SERVICE

PERSONNEL

ONLY

not

perform

internal

service

adjustment

this

product

unless

another person

capable

rendering

first

aid

and

resuscitation

present

Use

Care

When

Servicing

With

Power

Dangerous

voltages

exist

several

points

this

product

avoid

personal

injury,

not

touch

exposed

connec-

tions

and

components

while

power

Refer

also to

the

preceding

Operators

Safety

Summary

503

Disconnect

power

before

removing

protective

panels,

soldering,

replacing

components

Power

Source

This

product

intended

operate

from

power

source

that

will

not

apply

than

250

volts

rms

between

the

supply

conductors

between

either

supply

conductor

and

ground

protective

ground

connection

way

the

grounding conductor

the

power

cord

essential

for

safe

operation

503

2052-9

REVA

NOV

197

All

references

the

P6302

probe

also

apply

to the

A6302

probe

All

references

the

P6303

probe

also

apply

to the

A6303

probe

Description

OPERATING

INSTRUCTIONS

NOTE

The

503

Current

Probe

Amplifier

designed

for

use

with

any

the

compatible

current

probes

(see

Mechanical

Parts

list

for

accessories)

The

input

attenuator

calibrated

1, 2,

sequence,

and

the

attenuator

knob-skirt

illumination

provides

direct

indica-

tion

current/division

auto-scale

switch

changes

the

knob-skirt

illumination

automatically

match

the

sen-

sitivity

the

probe

used

Bandwidth

selectable

for

either

FULL

(limited

current

probe

use) or

MHz

Input

coupling

selec-

table

(ac

dc)

;

ac provides a

means

measuring

low

amplitude

signals

a high

level

current

Installation

and

Removal

RELEASE

LATCH

PULL

REMOVE

(1431-21)2052-37

REVJUN

198

Fig

1-1

Plug-in

installation

and

removal

Section

1-AM

503

The

503

operates

TEKTRONIX

500-Series

power

modules

only

will

operate

any

compartment

multiple-compartment

power

module

Turn

the

power

module

off

before

inserting

the

plug-

;

otherwise,

damage

may

occur

to the

plug-in

circuitry

also

recommended

that

the

power

module

turned

off

before

removing

the

50,'~

Refer

Fig

1-1

Check

see

that

the

plastic

barriers

the

interconnecting

jack

the

selected

power

module

compartment

match

the

cut-outs

the

503

circuit

board

edge

connector

Alignthe

upper

and

lower

groove

the

503

chassis

with

the

upper

and

lower

guides

the

selected

compart-

ment

Push

the

module

and

press

firmly

seat

the

circuit

board

the

interconnecting

jack

remove

the

503,

pull

the

release

latch

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