Tektronix PG 506 Manuale utente

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PLEASE CHECK FOR CHANGE INFORMATION

THE REAR OF THIS MANUAL.

506

CALIBRATION

GENERATOR

804

0000 AND UP)

INSTRUCTION

MANUAL

Tektronix,

Inc

P.O.

Box

500

Beaverton,

Oregon

97077 Serial

Number

_____

070-3383-00 First Printing NOV 1980

Product Group 75 Revised DEC 1981

Copy

80 Tektr

ix, I

nco

All

rights

reserved.

Cont

ents

this

pub

lic

ation may not be reproduced

anyform

without

ewr

itt

en permissionof Tektronix, Inc.

Products

Tektroni

Inc. and its subsidiaries are

covered

and

foreign

patents

and/or

pending

patent

TEKTRONIX, TE

SCOPE-M

and . are

regi

ste>r

ed trademarks of Tektronix,

Inc

. TELEQ

P-

MENT is a registered trademark of T

ektronix

U.K.

Lim

ed.

Printed in U.S.

Specification and price change

privileges are reserved.

PG 506

(SN

B040000 &

up)

TABLE OF

CONTENTS

Page

LIST

ILLUSTRATIONS

.....

. .

....

. . ii

LIST

TABLES

...

. . . . . . . . .

....

...

. .

Secti

Specification

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

1-1

Section

Operating

Instructions

2-1

RNING

THE

FOLLOWING

SERVICE

INSTRUCTIONS

ARE

FOR USE

QUALIFIED

PERSONNEL

ONLY

. TO

AVOID

PERSONAL

INJURY,

NOT

PERFORM

ANY

SERVICING

OTHER

THAN

THA

CONTAINED

OPERA

TlNG

INSTRUCTIONS

UNLESS

YOU

ARE

QUALIFIED

Section

Theory

Operation.

. . . . . . . . . . . . 3-1

Section

Calibration

Procedure

. . . . . . . . . .

4-1

Performance

Check

. . . . .

4-3

Adjustment

Procedure

. . . .

...

4-12

Section

Maintenance

...

. .

.......

...

. 5-1

Section

Options

....

.......

. . . . 6-1

Section

Replaceable

Electrical

Parts .

. 7-1

Section

Diagrams

and

Illustrations

...

....

8-1

Section

Replaceable

Mechanical

Parts

. . .

. 9-1

506 (SN 8040000 & up)

LIST OF

ILLUSTRATIONS

Fig.

No. Page

506

Calibration

Generator.

. . . . . .

2-1

Plug-in

installation and removal

......

, 2-2

2-2 PG 506

controls

and

connectors

...

2-3

Output

signals

from

the

506

Calibration

Generator

...........

..........

2-6

2-4 Risetime

derating

graph

...

. . . . . . . . . 2-7

2-5

Typical

waveforms showing

correct

and

incorrect

compensation

adjustments

...

2-8

2-6

Typical

low

frequency

response

curve

" 2-9

2-7

Distortion

of square waves caused by

low

frequency

effects . . . . . . . . . . . . . . .

2-9

2-8

Typical

waveform

showing

ringing

front

corner.

. . . . . . . . . . . . . . . . . . . . . . . . 2-9

3-1 DVM

timing

diagram

for

a negative

input

the

integrator

U460 . . . . . . . . . . . . . .

3-4

4-1

Attenuator

connecti

ons

for

current

source

4-4

4-2

Typical

response curve of

sampling

system 4-9

4-3

Typical

sampling

oscilloscope

response

display

....

.....

......

4-10

4-4

Typical

sampling

oscilloscope

response

display

.......

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

4-10

4-5

Adjustment

locations

for

the

Main

circuit

board

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

. 4-13

4-6

Adjustment

locations

for

the

DVM/Period

circuit

board

.........

. . 4-14

4-7

Adjustment

locations

for

the

A3 Fast Rise

Output

circuit

board.

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

4-16

4-8

Typical

response

curve

as displayed

the

sampling

system . .

..........

....

4-17

4-9

Typical

response

curve

displayed

the

sampling

oscilloscope

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

. 4-17

5-1

Pin assignments

for

the

506 (rear view,

partial) . . . .

....

......

.......

5-3

5-2 Main interface board (partial)

showing

connections.

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

5-4

amplitude

and

trigger

output

cable

506

(SN

8040000 & up)

LIST OF TABLES

Table

1-1

1-2

1-3

2-1

4-1

4-2

4-3

4-4

4-5

4-6

5-1

5-2

Electrical

Characteristics.

. . . . . . . .

Environmental

Characteristics

. . . . .

Physical

Characteristics

. . . . . . . . .

Output

Load

Voltage

Out

. . . . . . . .

Test

Equipment

Required.

. . . . . . . . .

Standard

Amplitude

(into

1 MO)

Within

0.25%, ±1

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

100 V dc Range

DEFLECTION

ERROR %

Resolution

Tolerances

...

. .

10 V

Range

DEFLECTION

ERROR %

Resolution

Tolerances

....

.....

. .

Standard

Amplitude

into

Load..

Fast Rise and

High

Amplitude

Output

Period.

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

Selected

Component

Criteria

. . . . . . . .

Relative Suscepti

bility

Static

Discharge

Damage.

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

Page

1-1

1-3

2-5

4-1

4-3

4-5

4-7

5-1

5-5

iii

PG 506

(SN

8040000

&up)

OPERATORS

SAFETY

SUMMARY

The general safety

information

in this part

the

summary

is for both

operating

and

servicing

personnel.

Specific

warnings and

cautions

will be

found

throughout

the

manual where

they

apply,

but

may

not appear in this

summary.

TERMS

In This Manual

CAUTION

statements

identify

conditions

practicesthat

could

result in damageto

the

equipment

other

property

WARNING statements

identify

conditions

practices

that

could

result in personal

injury

or loss of life.

Marked

Equipment

CAUTION

indicates a personal

injury

hazard not

im-

mediately accessible

one reads the

marking,

hazard to

property

including

the

equipment

itself.

DANGER indicates a personal

injury

hazard

immediately

accessible

one reads the

marking.

SYMBOLS

In This Manual

This

symbol

indicates where

applicable

cautionary

other

information

found.

Marked

Equipment

DANGER

High

voltage.

Protective

ground

(earth) terminal.

ATTENTION

-refer

manual.

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.

A protective

ground

connection

by way

the

grounding

conductor

the

power

cord

is essential

for

safe operation.

Grounding the Product

This

product

grounded

through

the

grounding

conduc-

tor

of the

power

cord.

avoid electrical shock, plug

the

power

cord

into

properly

wired receptacle before

connecting

the

product

input

output

terminals. A

protective

ground

connection

by way

the

grounding

conductor

the

power

cord

is essential

for

safe

opera-

tion.

Danger Arising From

Loss

Ground

Upon

loss

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 Fuse

avoid fire hazard, use

only

the fuse of

correct

type,

voltage rating and

current

rating

specified

the

parts

list for

your

product.

Refer fuse replacement

qualified

service personnel.

Do Not Operate in Explosive Atmospheres

avoid explosion,

not

operate

this

product

in an

explosive

atmosphere

unless it has been

specifically

certified

for

such

operation

Do Not Operate Without Covers (for TM 500 plug-

ins only)

avoid personal injury,

not operate this

product

without

covers

panels installed.

not

apply

power

the

plug-in

via a

plug-in

extender.

PG 506

(SN

8040000

& up)

CE SAFETY

SUMMAR

FOR QUALIFIED SERVICE PERSO

EL ONLY

fer

a/so

the

preceding

Operators

Safety

ummary.

Do Not Service Alone

not

perform

internal

service

adjustment

this

product

unless

another

person

capable

rendering

first

aid and

resuscitation

present.

Use Care When Servicing With Power On

Dangerous

voltages

exist

at several

points

this

product.

avoid

personal

injury,

not

touch

exposed

connec-

tions

and

components

while

power

is on.

Disconnect

power

before

removing

protective

panels,

soldering,

replacing

components.

wer 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

is essential

for

safe

operation.

PG 506 (SN 8040000 & up)

faA

CALIBRATING

INTO

USE

10V

2mV

AND

DIV

VOLTAGE

HIGH

506

CALIBRATIDN

GENERATOR

DEflECTI

ERRDR

1740

PG 506

Calibration

Generator

Section

1-PG

506

(SN

B040000 & up)

SPECIFICATION

Performance Conditions Items

listed

in the

Performance

Requirements

column

The

electrical

characteristics

are valid

only

the

Electrical

Characteristics

are verified by

completing

506 has been calibrated

an ambient

temperature

the

Performance

Check

the

Service Section of this

between

+20

0 C and

+30

0 C and isoperating at an ambient manual.

Items

listed in

the

Supplemental

Information

temperature between O°C and

+50°C.

Forced air

circula-

column

are

not

verified

this

manual. They are

either

tion

required

for

bient

temperatures

above

+40

explanatory

notes

performance

characteristics

for

which

limits

are specified.

SPECIFICATION

Table 1-1

ELECTRICAL

CHARACTERISTICS

Characteristics Performance Requirements Supplemental Information

STANDARD

AMPLITUDE

OUTPUT

Range (Peak-to-Peak)

Load

Accuracy

500

Load

Accuracy

Period

200

100 V

Within

25%

± 1

jJV

100

jJV

5 V

Within

0.25%

±1

jJV

Approximately

1 ms

kHz square wave,

chopped

DC)

Deflection Error Readout

Range

Resolution

+ and -

7.5%

Within

HIGH

AMPLITUDE

OUTPUT

Amplitude

(Peak-to-Peak)

Unterminated

500

Load

Polarity

:;:60 V

0.5

:;:5 V

Positive,

measured

from

a negative

potential

ground

1·1

REV DEC 1981

1-2

Specification-PG

506 (SN 8040000 & up)

Table 1-1 (cont)

, Characteristics

600 0

Output

Resistance

Output

Period

JiS

Variable

Duty

Cycle

Rise

Time

Unterminated

500

Load

Leading Edge

Aberrations

during

first

Performance Requirements Supplemental Information

Within

Extends

output

period

at least 100 ms.

greater

than

X10

range

for

each

decade

step.

Approximately

50%

100

Within

Signal

peak-to-peak

amplitude,

50 mV,

whichever

greater.

FAST RISE

OUTPUTS

Amplitude

(Peak-to-Peak)

500

Load ~

100

> 1 V

Polarity

Simultaneous

positive and negative.

Positive

measured

from a negative

potential

ground.

Negative is

measured

from

a positive potential

ground

Output

Resistance, 50 0

Within

either

Fast Rise

connector.

Risetime, 50 0 Load ~

Leading Edge

Aberrations

first 10

Within

of Signal

peak-to-peak

amplitude,

10 mV,

whichever

greater.

Flatness

Within

after

first

10 ns

Output

Period 1 s to 10 ms In

decade

steps.

Accuracy

Within

Variable Extends

output

period

> 100 ms.

greater

than

X10 range

for

each decade

step

Duty

Cycle

Approximately

50%.

TRIGGER

OUTPUT

Trigger

Out

;:::

1 V

peak-to-peak

into

a 50 0 load.

Trigger

out

function

available

for

HIGH

Fixed

amplitude

AMPL

and FAST RISE modes.

Output

Signal

leads

HIGH

AMPL

pulse by

about

18 ns and

leads FAST RISE pulse by

about

8 ns.

REV DEC 1981

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