Tektronix FG 504 Service manual

'

?-

ά









COMM

ITTED

TOEXCE

LLENCE

Tektronix,
P.O.

Box

B

υ

erton,

ea

070-2655-00
P

ro

d

uct

Group 75

Inc

500

Oregon

PL

EAS

ECH

AT

THE

INSTRUCTION

.

97077

R

E

E

C

K

A

ROFTH

F

O

RCHAN

IS

SerialNum

MA

G

NUAL

M

ber

EIN

FORM

*

A

NU

F

irstPrintingNOV

R

evised

MAY

ATIO

A

1982

N

L

1979



Copy

r ight

Conte

n tsofthis

formwit

ProductsofTe
by

T

istered

Prin
arereserved

Copyrigh

L

meque ce

Τουτ

les
d

I
caractέr
logiques

houtthewr

U.S.

andforeignpatentsand/orpending p

EKTRON

econ te

έροsβα

mprim!

IX,

tra

demarksofTe

te

dinU

t©1979TEK

nu decemanuelnopoutέt r

soit

lesprodu

logotypes

.

αυχ LISA.T

istiquesetprixcla

.

1979

®

.S

Tektron

pub

licationm

ittenpermissionof

n

ix,

ktro

ΤΕΚ,SCO

.A.Specification

.

sansΙ'acco

its

TEK

Inc

rddeTektronix

TEK

T RONIXτοητbrevet

T RON

EKTRONIXserβ

ix,

Inc.Allrights

ay n

otbereproducedin

and

itssubsid

.

BILE,

PE-M

O

ktron

ix,

Inc

andpricechangeprivileges

TRONIXINC.

IX,

n s lecadr

ereproduitsousquelquefor -

ΤΕΚSCOPEMOBI

e

k

Te

ia r

ies

and

.

Τουτdroitsrβ serv6s

Inc

.

έsUSetEtrangeret

serveledr

de dέ

velo

reserved.

t ron

ix,

Inc

.

covered

are
atents

.

a

r

ereg-

LE,

T&

oitdemodifie

ppements

techno-

any

τοητ

Copyright©1979
h

alten.DerInh

νοηTektronix,

P

ro

sinddur

P

atenteabge

TE

W

Ge
b

leibenvorbeh

.

©1979

r

durchTektron

altdieserPublik

Inc

.nicht

dukteνοη

KTRON

arenzeichenνοηTek

drucktin

TEKT

ιάτη

~

kρι

~h`~

Tektronix,

chUS-

undAuslandspatenteund/oderschwebe

deckt.

IX,

ΤΕΚ,SCO

U.S.A

alten.

X

κΓαtUhIfτ~ΗQ

RONIX,

=

τεΠ

η ~

ΤΕΚ

ΗΑ=~τ~i~s

τ

i

N

9 I

ix,

atio

weiteιgegebenwerden.

Inc.und

PE-MOB

tronix,

.

Spezifikations-

,

SCO

τ

1

#IR

ndartohneGe

seinenTochtergesellsch

I

LEand

Inc

.

PE-MOBI

;Έ ~Cι~ι~#

ι

t<

MP

#

Inc

.

AlleRechtevoι

si

nd geschotzte

undPreisAnde

TIόI'fλε

V,

LE,

τ

~~

ο

χ

Tt

neh

3τ4

be-

mig

ung

afte

nde

rungen

n

L

ISTOFILLUSTR

ATIONS

TA

. . . . . .

BLE

. . . . . . . . . .

P

O

age

ii

F

CO

Section 3

N

T

EN

T

HEORYOFOPER

TS

F

G

ATIO

504

(SNΒ

N

. . . . . . . .

040000

P

&

age

3-1

UP)

ISTOFTABLES. . . . . .

L

Section1SPECIF

Section2OPER

En

FrenchVer

GermanVer

J

THEFOLLOWINGS

AREFORUSEBY

ONLY.TOAV
NOT

PERFORM

THAN

INSTRUCTIONS
QUALIFIED

ICATION... . . . . . . . . . . . .

ATINGINSTRUCTIONS

glishVer

sio

apaneseVersio

OID

THAT

CONTAINED

TO

DO

. . . . . . . .

sio

n

n

sion

n

W

ARNING

ERV

IC

QUALIFIED

PERSONA

ANY

S

UNLE

SO

.

. . . . . . . . .

E1N

STRUCTIO

PERSONNEL

LINJURY,DO

ERV

ICINGOT

IN

OPER

SS

YO

. . . . . .

HER

ATI

ARE

U

N

NG

iii

1-1

2-1

S

Section 4

Section5MAINTENANCE.

Section

Section7

Section8

Section9

CALIBRATIONPROCEDURE

P

erforma

AdjustmentProcedure

6OP

TIONS

REPL

DIAGRAMSANDILLUSTR

REPL

nceC

. . . . . . . . . . .

ACEA

BLE

ACEA

BLE

heck

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

ELECTR

MECHANICALPARTS9-1

. . . . . .

. . . . . .

ICALPARTS

. . . . .

. . . . .

. . . . . .

ATIONS

. . . .

. . .

. . .

. .

4-1

4-3
4-8

5-1

6-1

7-1

8-1

REV

ΜΑΥ

1981

F

G

504(SNΒ

F

ig

.

No

.

2-1
2-2

2-3
2-4

2-5 Trigger SignalAmplitudeRequirements

2-6

2-7

2-8
2-9
2-10

2-11
2-12

2-13
2-14

2-15
2-16

2-17

040000&UP)

L

IST

FG504
FG504In

FRONTPanel
SweptFrequencyRanges
SweptFrequencyRange

toVC

andTriggeringPoints. . . . . .

Ph

W

B

SineWaveforms..

R
V

L
L

N

Gated

Triggered

Ph
Ph

AmplitudeModu

FunctionGen

stallation

F1Ν

connector. . . . . . . .

aseRelations

aveformsandTRIGOUT

asic

Functions.Square,

amps

andPulses

ariableRiseandFall

i

near

Sweep.. . . . . . . . . . .

ogarithmic

arrowBand

aseCon
ase

Sweep. . . . ...

Sweep

Operation

Operation. . . . . . . . . . . . . . .

trolOp

LockedLoop

erator

andRemoval.. . .

Controls

h

ips

betweenOutput

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

. . . . . . . . .

Times

. .

. .

. . . . . .

eration

Operation

lation

. . . . .

. . . . . . . .

andConn

.

. . . . .

wit

h 10

W

Tria

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

. . .

O

FILLU

ectors.2-3

. . . . .

Vapp

. . . . . ..2-4

. . . . . . ..2-8

aveform
n

gle,

and

. . ..2-8

. . . . . . .

. . . . . .

. . . . . . . .

. . . . . . . . .

. . . . . . . . .

. . . . . . . . .

. . . . . . . .

. . . . . . . . .

. .
. .

lied

. .

. . .

P

age

2-1

2-6

2-8

2-8
2-9

2-9
2-9
2-9

2-10
2-10

2-10
2-10

2-11

viii

ST

F

ig

No
2-18

2-19
2-20
2-21

2-22
2-23
2-24

4-1
5-1
5-2

8-1
8-2
8-3

8-4

8-5

8-6
8-7

R

ATIO

.

.

Supp

ressed

L

owFreque

Delayed

ToneBurst

L

inear

L

ogarithmic

P

ulseSh

Amplitu
SemiconductorBasi

R

ear

Thefollowingillustratio

d

iagram

SemiconductorBasing
A

dju

Α

3LoopBoa

Α1M

(FRONT)

Α1MainBoard

(BACK)

Α

2 Fu

Α

4 F

L

ocations

Operation.. . . . . . .

Sweepof

apingCapabilities

deF

Interface

pull-out

stment

ain

B

oard

nctionBoardCom

loatingInterfaceBoard

N

S

CarrierOp

ncyHoldO

Testing

Sweepof

latnessCheck

Connector

eration... . . . . .

p

eration. . . . . . .

. . . . . . .

F

ilters

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

F

ilters.. . . . . . . .

. . . . . . . . . . .

ng

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

Assignments..

ns are

section

.

. . .

. . . . . . .

. . . . . .

locatedint

Locations

rdComponentLocatio

ComponentLocations

Compo

nen

tLocations

ponen

Componen

t

. . . . .

. . . .

ns

L

ocations

t

. .

he

P

age

2-11
2-11
2-11

2-12
2-12
2-12

2-24
4-11
5-4

5-5

Α

REV

ΜΑΥ

1981

Table

1-1
1-2

1-3
4-1

5-1

5-2

L

IST

No

E

r

icalCh

lect

E

nvironmentalCharacteristics

Ph

ysicalCh
TestEquipmentRequ
R

elative

Damage.. . . . .

M

aintena

®

F

aracteristics

aracteristics

ired

SusceptibilitytoStatic

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

nceAids

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

TA

BLE

. . . . . . . .

. . .

. . . ...

. . . . . . . . .

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

. . . . .

. .

. .

. .

. . .

. .

Discharge

. . . ...

. .

F

G

504(SNΒ040000&UP)

S

P

age

1-1
1-7
1-7

.

4-1

5-3
5-9



O

T

h

n eral

but

life

may

.

safety

or other

statements

onE

e

ge

p

ersonnel.Specific

apply,

InThisManual

TIONstatements

CA

U

equipment

W

ARNING

loss

of

AsMarked

PER

not

quipment

ATO

informationinthispartofthe

warnings
appearinthis

identify

property

identifyconditions

R

S

SA

and

cautions

summary

conditionsorpracticesth at

.

FE

TY

summary

willbefoun

.

T

ERM

orpracticesth at

S

d

S

UMM

is

for bothoperati

t

h

roughoutth e

could

couldresultin

ARY

result

FG504(SNΒ040000

ng and

manualwh

indamage

personalinj

servicing

ereth

tothe

ury

& UP)

ey

or

CAUTIONindicates
mar

k ing,orαhazard

DANGERindicatesαpersonalinj

h

In

T

is

Manual

This
found

AsMarked onEquipment

DA

Ο

P

rotective

ΑΤΤΕΝΤΙΟΝ

symbol

.

NGER

α p

ersonalinj

property

to

indicateswh

-Highvoltage

grou

n d

-

refertomanual

uryhazard

includingtheequ

uryhazard

h)terminal

(eart

immediately

SY

MBO

ere

applicable

.

.

n ot

immediately

ipment

accessible

LS

cautionaryorot herinformationisto

.

accessibleasone

itself

.

as one

readsthemar

reads

k

t

h

ing

be

e

.

P

ower

Source

T

h

isproductisintendedtooperatefrom

rms

between

p

rotective

essential for

the

ground

safe

supply

operation

conductors

connection

by

.

α

power

betweeneither

or

way

ofthegrounding

sourcethatwill

supply

conductorinthe

not

apply

conductor

morethan

andground.
power

cord

250volts

Α

is

F

G

504(SNΒ

040000&UP)

GroundingtheProduct

T

hisproductisgrounded

electrical

pro

conductor

Danger
Up

kn

obs

U

seth

U

se

U

se

For detailed

Refer

shock,

ductinputor

inth

ArisingFrom

n

lossoft

o

andcon

e P

roperPower

t

he p

only

only

αpower

information

cord

and

plug

output

e p

heprotective-ground

trolsthatmay

ower

cord

connector

throug

t

he p

ower

terminals.Αprotective

ower

cord

L

ossofGrou

Cord

cordand

thatisin

on

htheground ing

cor

d

is

essential

appear

conn

good

power

ch

anges

conductorofthepower

i

n

to α

properly

for

n

d

connectio

be

insulating)

to

ector

specified

condition

cords

and

toqualifiedservicepersonnel

wiredrece

groun

safe

operation

n

,

accessible

all

for

.

connectors,

connection

d

can

render

your

see

ptacle

.

product

cord.To

before

by

conductiveparts

an

.

t

hepower

.

connectingtot

wayofthe

electric

module

shoc

avoid

grounding

(including

k

.

manual

he

.

U

setheProperFuse

avoid

fire

To

sp

ecifiedinthe parts

R

efer

fuse

Do

Not

Το

ανο

~d

sp

ecifically

DoNot
To

avoidpersonalinj

applypower

hazard,

rep

lacement

OperateinExp

explosion,donot

certifie

OperateWit

to

d for

the

use

onlythefuseofcorrect

for

list

to

q

losive

operateth

suc

h

out

Covers

ury,donot

plug-in

yourproduct

ualified

Atmospheres

h

via α plug-in

o

p

eration

operate

servicepersonnel

isproductίη

.

.

t

h

is

extender

roduct

p

type,

anex

without

.

voltage

.

p

losive

rating

atmosphere

covers

orpanels

andcurrent

unless

installed.Donot

ratingas

ithas

been

Vi

REV

ΑAPR1980

S

ERV

ICI

N

G

SA

FE

TY

S

UMM

ARY

FG504(SNΒ040000

& UP)

F

O

DoNotService

not

Do
rendering

U

Dangerous

touchexposed

Disconnectpower

P

T

rms
protective

essen

perform

se

Care

ower

Source

h

isproductisinte

betweenthesupply

tial

first

Wh

en

voltages

ground

for

safe

internal

aid

RQU

Alone

ServicingWithP

connectionsandcomponentswh

ALIFIED

R

efer

also

serviceoradj

resuscitation

an

d

exist

before

n

d

edto

conductors

connection

operation

to

severalpointsinthisproduct.To

at

removing

operatefromαpower

.

S

ERV

IC

the

preceding Operators

ustmentofthisproduct

ispresent

ower

On

protective

or

between

by

way

of

grounding

the

.

panels,

E

PER

SO

Safety

ilepowerison

soldering,orreplacing

sourcet

either su

h at

pp

conductorint

NNEL

Summary

un

less

avoidpersonalinj

.

will

not

ly

con

ONLY

another

apply

d

uctor

h e

.

person ca

ury,

com

morethan

andground.
power

cordis

p

able

not

do

p

onents

250volts

Α

of

.

The

FG

504 Function

Generator

.

Introduction

T

sine,sq
frequencies

user-definable

The

open

an
load.Theoutput

swept
wit

h αlinearorlogarit

ph

ase

he outputwaveform

T

triggeringwaveform.T
form

output
bu

tto

Α

the
output

selectedfrequen
onthepolarity
selectedoutput

amplit
nal

504FunctionGenerator

heFG

uare,

triangle,

from0.001

custom

outputamp

circuit

betwee
locked

may

maybeheld

labeledHOLD

n

voltage-controlled

output

fre

ud

source

litudeis10

and 5

im pe

nthe

gated,ortriggered

,

alsobe

frequency
quency

e modulatingthesin

.

varied.Forthe

cy,toα

an damp

freque

STARTand

at

can

SPECIFICATION

provides

ram

Hz

freque

mVto15Vpeak-to-

da nceis50Ω.

h

mic

may

he

any

.

frequency(VCF)input

fromanexternal

ncy.P

pulsewaveformsoverthe

p,and

to40MHzinten d

ncy

range

30Vpeak-to-peakinto

mVto

STO

sweep.The

forsin

be shifte

symmetry

slower

level

by push

be

maximum

litudeoftheVCFinputand

t

swe

p

rovisionis

ewave

also

is

peak

The F

P

FREQdial

outputmay

gle

d

±80°

ofthe

fre

ingth

voltage

above

1000

of

also

output

low

G

or

fromanexter-

d istortio

ecades

available

intoα50

may

504

settings

cycle

output.

fromthe

output

wave-

uencies,the

q

n

t

pan

efro

controls

source.T

belowthe

:1,

depending

madefor

.

be
be

he

the

n

fromtheFG504

Α

applications

.

sponse,

gen

Ω

triggeredorph
for

source
poses

Performance

el

FG504
+20°C

temperature

noted.
above

p

erforming

varietyofsweptand

Th

e

as

distortion,

eration,

variousram

Th

as α

ase-locked
p orpulse

amplitude

for

.

Co

e

followi

ng

calibratedatan

is

and

+30°Cand

between

d

Force

+40°C.Allow

air

verificationtests

Section1-FG

modulate

ma

testingamplifierorservo-system

and

beat

S

PE

nd

itions

electricalcharacteristics

circulationisrequiredat

esp

ke

it
stability

frequency

logicin

waveforms.Itisalso

modulatedsignals

CIFICATIO

ambient

is

0°C

and+50°C,

α one-h

our

.

(SN8040000&

504

signals

d

ecially

operatedat

useful

Itisuseful

.

oscillator,

terface,oras α source

N

temperature

unless

warm-up

as α gated

for

various

are

an

tem
period

for

useful as

valid

ot

p

available

b

ambient

herwise

eratures

UP)

suc

re-

for

pur-

ifthe

etween

before

h

fm

α

F

reque

ncy

R

ange

Si

ne-wave, sq

and

R

amps,
waveformsreq
variable

.5Χ10'
MUL

selectedtiming

acteristic

C

ha

r

uare-wave,

triangle

pulses,orwaveforms

uiring

MME

osition

TRYcon

of

cap

acitor)

SY

Duty

Cycle

p

TIPLIERswitch(User

use

of

trol

ELECTR

.001Hzto40MHz
in10

ICA

LCHAR

P

erformanceRequirement

overlapping

Table

calibrated

ste

1-1

ACTERISTICS

ps

SupplementalInfor

.001

Hz to

n

ominally

_<7

ο/οto>93ο/οbelow1MH

<20°/οto
=400

capacitorprovidesαfull-scale
frequencyof-=400Hz.The
factory-installe

α 20Hzto
.5Χ10'position

theMULTIPLIER

>80

ο / ο

above

kHzmaximum.Α5μF

capacitor

d

20 kHzra

of

switch.

4

MHz

1MHz

nge

mation

.

z

gives

forthe

Specification-FG

504

(SN

Β

040000&UP)

Table

1-1

(cont)

haracteristic

C

F

requency

R

esolution

(cont)

Stability

Time

Temperature

Dial

Calibration

Dial

Accuracy

FREQUENCY

d

ial

STOP

FREQuencydial

M

aximumFrequencyRanges

Dial,

Sweep

Voltage
F

requency

Frequency,

Controlled

(VCF)Modes

H

z

(START)

and

for

P

erformanceRequirement

<-0

.05

ο/ο

for10minutes

for

/ο

for

scale

(START)

1hour
24 hours

full

MHz

from4MHz

the

the

start

plus

dial

scale

from

.Within6ο/οof

40

MHz

to

difference

and

stop

the

FREQUENCY

error

.

M

aximum

<-0.1ο/ο

-<0.5ο

W

ithin3ο/οof

0

.001Hzto4

full

W

ithin5ο/οof

b

etween

frequencies

Hz

MULTIPLIER MinimumFreq-

Setting

106

5

-10

10
10

10

1

1 ,1,10-1,10-

-s

1

encyRatios

500

->1000

->100
40

:1

:1

:1

:1

Supplemental

1

partin10"offull-scale

setting

usingthe

control,asmeasured
frequency

counter

Information

FREQUENCY

with

.

VERNIER

α

Appliestocalibrated portionofthe

Hz

dial

only

FREQUENCY

The

instrument

constant

b

etween

c

hecked

See

Dial

mustbeatα

ambient

0°C

temperature

and

+50°C

afterα1-hour
Accuracy

.

and

warmup

.

1to40Hz(ΧMULTIPLIER

setting)

(ΧMULTIPLIER

M

temperature

.

after
STOP

uncalibrated
MULTIPLIER

calibrated;0.1to

easurements

between

1hour

warmup

FREQuencydial

setting)

madeatan

the106

on

range

.

1

uncalibrated

+15o

CC

.

is

Hz

ambient

and

.

+35'C

to

Internal

Sweep

Accuracy

Sweep

Stop F

requency

Swept

Stop

F

requencyError

LINear

Duration

SWEEP

to

0Vto

+10

L

inear

orLogarithmic

L

imitedbyStart

F

requency

external
greater

Specifications

frequency

accuracyisrequired

100sto0.1msin

(selectedbySWEEP

V

ARiable

W

ithin2ο/ο

sweep

W

ithin

control

from

duration

/ο

from1msto0.1ms

10

ο

sweepduration

V

.

Output

impedance1kΩ.

.

and

Stop

;use

counter

six

decades
URATION

D

overlaps

100sto1ms

.

.

if

.

switch)

decades

.

.

Table

1-1

(con

t)

Specification-117G

504(SNΒ040000

&

UP)

Internal

Sweep

TPUTAmp

OU

Accuracy

WEEP

S

V

oltage-controlled

Freq

N

TR

Input

L
M

n

se

evel

aximumInp

uencyInp

ominalSen

(Hz/volt)

M

aximumFrequency

M

inimumFrequency

(cont)

litude

IGgerINPU

sitivity

ut

(VCF)

ut

sitivity

1

hin5ο/οfrom

W

it

W

ithin10ο/ο

from

100 s

msto0.1ms

1

to

ms,

.

T

=4ΧMULTIPLIER
volt.Α
i

ncreases

M
range

for

V

M

ositive-going

p

frequency

aximum

frequencydividedbyVC

(seeMaximumFrequency

Dial,

SweepFreq

oltage

Controlled

odes)

.

setting

per

voltage

.

uency,

F

and

requency(VC

R

anges

F

F)

R

ate

Slew
Input

Impedance

OUTPUTSignal

F

latness

Sine-wave

0

.001Hzto

kHzto40MHz

40

Triangle

0

.001Hzto

40kHzto40
u

S

q

are-wave

0

.001Hzto20MHz

20MHzto40

Si

ne-wave,

an d

S

M

atc

h

Amplitude

40kHz

Triangle,

uare-wave

q

40 kH

MHz.

MH

Amplitude

At

least30Vρ-ρi

circuit,

W

ithin±0.5dB

W

ithin±2dB

to40MH

least15Vinto50Ω.

at

z

.

.

from

nto

40

an

kH

open

z

Typically

z

40

.Referenceat10kHz

MH

hin±0.5dBto

wit

.

z

z

R

eferenceat10

R

z

eferenceat10kHz

kH

.

.

Sp

ecification-FG

504(SNΒ040000&UP)

h

aracteristic

C

Table

1-1

(cont)

P

erformanceRequirement

S

upp

lementalInfor

mation

Output

ATT

ENUATO

Accuracy

VA

Riab

leCon

OFFSETRange

Into

O

pen

Circuit

I

n

Ω

to

50

OutputWaveforms

W

it

h

outUseofSY

(variable)

control

trol

R

MME

TRY

Atte

nu

ator

Ste

p V

0

dB

-10

dB 9.5V

-20dB

-30dB

-40

dΒ

-50

dB

W

ithin±0.5dB

P

rovides

add

itional

t

he mi nimumoutput

/decade

-20dB

up

to

attenuation

to10mV.

±7.5V
±3

.75

V

M

aximumOpen

circuit

Out

oltage

(p-p)

30

V

3

V

950mV
300mV

95mV

.

to re

duce

signalamp

p

ut

litude

-

M

aximum

peakoutputamplit
±20

±11

d

efeatablebyfront-panelcontrol

Sine,

Vin

signalplus

toanope

offset

ude

of

n

circuitand

.25Vinto50Ω.Offset

Triangle,and

Square

.

W

ithSY

MMETRY

Control

Tria

ngle

Symmetry

10Hzto

400kHzto40

L

inearity

10

Hz
400kHz to4MHz
4

MH

400kHz

400kHz

to

zto40

(variable)

MHz

MHz

W

ithin1ο/ο

W

ithin5ο/ο

Ramp

s a

nd Pu

is

<_7

ο/οto>93

symmetry
limitedto
triangle

1

MHz

waveforms

-20%

andsin

.

Actuationof

d

ivides

output

lses.Duty

ο/ο

for

to

e-waveforms

SYMME

frequencyby

cycleran

all

variable

below1MHz;

~80%

for

TRY

control

ge

above

approximately10.

Typically
0

.001

Hz to

withi

10Hz.

n 2

ο/ο

from

.
.

On

calibratedportion

FREQUEN

M

easured

80ο/ο
within2ο/ο

W

ithin1

W

ithin2ο/ο

W

ithin10ο/ο

CY

fromthe 20

p

n

toft

oi

from0.001Hzto 10Hz.

ο/ο

.
.

.

of

Hzdial

.

ο / ο

pointtot

h

e

waveform.Typically

he

REVNOV1981



haracteristic P

C

OutputWaveforms

Sine-Wave

TotalHarmonic

Distortion

20Hzto40kHz

40kHzto1

1

MHz

Sq

uare-wave

ANDFALL

RISE

F

IXED

Aberrations

VARiable

(cont)

MHz

to40MHz

TIMES

Table

1-1

(cont)

erformanceRequirement

<-0.5ο / ο

.

h

Greatest

30

dBdown
Greatestharmonic
20d8down

_-6

measured

_-5%ρ-ρplus

10nsto

M

easuredbetween
90%pointsofAmplitude;accuracy
within

10Χrange

armonic

.

.

ns 10nsto100

from

100

30%.VARiable

.

10%to90%

mV

30

in

7

ms

at

least

at

least

msin7

into50Ω

steps

the

10%

controlhas

steps

load

.

and

Specification-FG

Supplemental

Typically

20Hz,

measured

conditions:Temperature
+35°C

into50Ω;zero
attenuation,
FREQUENCY

between

Applies

.

ambient

P

eriodof

combinedrise
by

%20

ο/ο

504

(SNΒ040000& UP)

_<1

ο/ο

from0.001Hz

un

terminated

offset;<_30

and

with

H

z

(START)dial

4and40.

topulse

.

waveforms

waveformmust

and

Information

der the

+10°C

dB

exceed

fall

times

to

following

to

set

also

.

AM

INPUT

Dc

4

MHz

Input

E

xternal

ΦLOCK

Input

Sensitivity

M

aximum

TRIG

to 4

MHz

to40MHz

Impedance

TRIG/GATE/

Input

Impedance

LEVEL

M

inimumPerio

Input

Amplitude

d

5Vρ-ρ
modulationofα

with
modulation

~10

modulation

_<1Vp-P.

-1Vto

signal

<_5%

οdistortionat70ο/

.

/οdistortion

ο

.

+10V.

prod

sine-wave

at65ο/ο

uces

100ο/ο

carrier

ο

When

driven

imped

ance

<_600Ω.

M

odulating

to20kHz

bandwi

dulating

mo

_<10kΩ

modulation
put

amplitude

_>1ΜΩ.

>_10kΩ

+20V

F

or

triggeringαsingle

of

generator

75ns.

frequencies

.Modulation

dth

isdoto

source

ensures

.

.

fromαsource

100

im

proper

an

d d

ivides

by2.

waveform

from

frequency

kHz.Α

pedance

the

cycle

.

20Hz

of

out-

REVNOV

1981

1-5

Specification-FG

504

N

8040000& UP)

(S

Table

1-1

(cont)

C

E

xternalTR

ΦLOCKInput

GAT

ΦLOC

IG/GATE/

M

aximum

F

requency

E

Minim u

M

aximum

Frequency

K

h

aracteristic

(cont)

Trigger

mPerio

Gate

n

P

erforma

_>20MHz

d

ceRequirement

.

75ns

Su

.

lemental

pp

Information

d

+20

MHz.

100Hzto40MHz

range

Hz

to4MHz.

±80°

Adjust
0

100

.

from

For

gating

of

generator

Capture
sions

range:±10ma

from
majordial
40

MHz

(40

but

will

trac

multiple-cycle

waveform

100Hzto

ivisions

d

from 4

MHzmaynot

k

.)

burst

.

or

dial divi-

j

4MHz;±8

MHz

cap

ture,

to

4MHzto40MHz

LockR

ange

PHASE

Ph

aseAdj

MAN

TRIGOU

H

OLD

TPUT

Drift

R

ange

ustmentRange

±8majordial

+2Vfrom50Ω

0Vto

0

.001Hzto400Hz.

divisions

.

will

Generator
external

lockto

signal,

thePHASEcontrol,

majordial

4MHz andwithin±1MH

to

divisions

from4MHzto40MHz

from0.001Hzto4MHz.

±80°
Manual

pus

Trigger/Gate

h

button

.

wit

hout

α ch

angi

rea

dju

within

±10

from

100Hz

z

.

front-panel

ng

sting

.

ρ-ρ

output

10ο/ο

of

amplitude/hour

.

REV

NOV

1981

Table

1-2

S

pecification-FG

504

(SNΒ040000&UP)

Temperature

Operating
Storage

Altitu

de

Operating
Storage

V

ibration

Operating

Shock

O

perating

Transportation

C

haracteristics

andnon-operating

and

non-operating

ENVIRONMENTAL

C

HARACTERISTICS

0°Cto+40°C

-40

1

Cto+750C

To

15,000

To

50,000

0

.64

mm

50

g's

(half sine),11ms,12shocks

Qualified
P

rocedure1Α

(+40°Cto+50°C;forced

.

(4,570

feet
feet

(15,250

(0.025")displacement,

underNational

CategoryΙΙ.

meters)

meters)

Safe

Description

air

required)

.

.

10-50-10Hz sinewave,54minutes

.

Transit

Association

.

Test,

.

F

inish

W

eight

Overall

Dimensions

C

haracteristics

PHYSICAL

Table

C

HARACTERISTICS

A

nodized

3

.75

pounds(1.7

W

idth5.312"

H

eight

1-3

aluminum

5

.0"

kg)

(13

.49

(12.7cm)

Description

panel

and

chassis

.

cm),Length12.125"

.

.

(30.8cm),

Section

2-FG

504(SNΒ

040000

UP)

&

I

N

STA

LL

I

T

he FG504

received.It

ΤΜ

500

series

ower

t

he

p

requirements
coolingisrequired
degrees

ce

Turnthe

removing

herear

at

t

useful

lifeofthe

donetothe

is

eratesinany

o

p

power

module

and p

n

tigrade

power

t

h

e F

interface

plug-in

O

PER

ATIO

N

G

NANDREM

ST

RU

CTIO

calibrated

modules

instruction

ower

mo

for

eration

o

p

.

ule

mo

d

;oth

504

connectors

erwise,

connectors.Arcing

circuitry

ATI

NS

and ready

two

compartments

except

manual for

d

ule

operation.

off

before

arcing

and

.

N

OVA

to

theTM501

line

between

inserting

may

reduces

damage

G

L

use

of

.Refer

voltage

Forced

40 and

occur

t

may

INST

w

h

en

t

he

to

air
50

or

h

e

be

RU

heck

C

t

he p

of

t

here are

outsin

i

ndicate

may
anothertypeof

thishas

Whentheunits

wit

hthe up perand

selected

partment
interconnectingjacks.ThePO
luminate

To removetheFG504,
locatedonthe
edge

connectors

ks.TheFG504

j

ac

CTIO

for

plastic

barriersont

ower

modulein

barrierspresent

heFG504

t

special

instrument.Donot

been

verifie

arep

compartments.InserttheFG

andpress firmly to

henthepower

d

w

lower

disconnect

will

heselected

t

andthey

circuit

board

rearin

d

byqualified

roperly

lower guides

module

pullthe

left

corner,

now

slide

N

S

interconnectingjack

he

compartments.If

donot

edge

connectors,

terface

matched,

seat

WER

fromthe p

out

connections

insertthe

servicepersonnel

aligntheFG504

(seeFig.2-1)ofthe

504

thecircuit

lightsh

switchis

release
untilthe

t

hepower

of

matc

h

the

plug-in

the

into

boardsinthe

latch,which

circuit

ower

com-

ouldbe

turnedon

boar

mo

module

s

cut-

they

for

until

.

il-

.

is

d

d

ule

.

REV

ΜΑΥ

1981

Fig.

2-1.F

G

504

Installatio n

and

R

emoval

.

En

glish2-

1

Operating

Output

The output

50Ωvoltage

frequencies,anunterminated

output
waveform

less

E

termination,

(especially

waveformpurity,

1

tors

Instructions-FG

O

PER

ATI

Connections

of

source

will

cause

(see

ImpedanceMatching d

than 50Ωwill

xcessive

.Use

.

distortionoraberrations,

are

with

good

N

G

CONSIDERATIONS

the

F

G

504

working

excessive

reduce

less

noticeableatthe

sine

and

triangle

observe

quality50Ω

the

the

504

(SNΒ040000&UP)

isdesignedtooperateasα

into

α50Ω

or

improperly terminated

aberrationsonthe output

waveform

waveforms).To

following

coaxial

load.Athigher

iscussion)

amplitude

duetoimproper

lower

frequencies

precautions

cables

and

.Loads

.

ensure

:

connec-

=10:L

FRED

k

nob

ispulledout

RUN:(Button

H

OLD:(Button

providesanoutputdolevel
signal

frequency

V

output

FREQUENCY
variations

CF

when

INPUT:E

frequency

ampindicates

out)

in)

t

he

ranges

xternally

.

VERNIER

.

.

for

Disables

button

only

normal

.)

when

SYMMETRY

operation

the

generator

equaltothe

waspushed.(5

applied

:

Forfine

levelofthe

voltage

.

and

lower

varies

frequency

2

.Make

all

connections

3

.

Use

goodquality

reduce

avoid

adequatepowerhandling
waveform

coupling
constantofthe coupling

enough

waveform

4

.

Use

terminations

reflections

5.E

nsure

.

If

thereisα do

to

IftheFG
SeriesPowerModules,

form

can

r

esults

fromPowerModule

is

incompatible

p

r

oblemiseasily

personnel

when

that

capacitorinseries withthe

maintain

504isusedinearlymodelsoftheTM500

be

excessiveinsome

for

checking

attenuators

amplitude

or

impedance-matching

using long cable(6feet

attenuators,

voltage

capacitor

p

ulse flatness

NO

withFG

cured.R

tight

and

as

shortaspossible

if itisnecessary

applied

capabilities

across the

ΤΕ

rippleontheoutput

504
transformerph

to

sensitive

terminations,

for

the output

output

and

.

cases

transformerphasingthat

operation;however,the

efer to

qualified

load.The

load

mustbe

.

Th

asing

load,

e

circuits

devices

or

more)

etc.,h

use

time
long

wave-

ripple

service

.

ave

to

to

.

.

.

α

MULTIPLIER

d

ial

.

ί

~

9

Ο

INPUT:E

AM
sine

wave

L

ATCH:Pulltoremove

INPUT:A
locking

MAN

:

or

manual

output

LEVEL:Selects
INPUT

locked

ΦLOCK

cy

to signal

GATE

:Buttonincauses

waveform
tor

.

:Determines

xternally

output

.

pply

external

signalstothis

P

rovidesαmanual

gateinGATEoperationtocontrol

waveform

waveform

operation

:Buttoninlocks

.

the

for

.

appliedtoINPUT

during

αhigh

rangeofFREQUENCY

applied

the

gating,

connector

triggerinTRIG

beginning

triggered,

output

levelatthe

signal

p

lug-in

triggering,

.

voltage

gated,or

waveform

connector

generatortoproduce

.

INPUT

modulates

or

phase-

operation

the

level

on

phase-

frequen-

.

connec-

α

CONTROLS

English

FREQUENCY

tion,orlowest

STOP

FREQUENCY

cyinsweep

2-2

AND

(Hz):Selects

frequency

(Hz)

mode

.

CONNECTORS

frequencyofopera-

in

sweep

mode

:

Selectshighest

.

frequen-

T

RIG

:Buttonincauses

cycleofoutput

INPUT

16

FREE

waveform

waveform

signal

.

RUN

:Buttonincauses

.

generatortoproduce

for

each

positive-going

continuous

REV

ΜΑΥ

one

output

1981

PHASE:
degrees

Selectsphase

from

sineorramp

T

RIGOUTPUT:P

eac

h p

ositive

uare

s
cle

wave

q

.)

selecte

d

waveforms

roduces

of

cycle
output

selectedwaveform

corresponds

lead or

lag

up

triggeringlevelonI

.

one

positive

pulse
. (

to

negative

to

E

=+-80

NPU

xcept

for

cy-

504

(S

N Β

Operating

L

T

sweep

SWEEPTRIGI

h

VAR:V

wave

Instructions-FG

INSWEEP

output

ereto

start

ariesthe

.

O

U

TPUT:P

whenever

NPUT:

t

heswee

rise

rovides

the

sweepisrunning

Apply

p

w

hen usingtheTRIG

fall

and

040000

α

0-10Vlinear

α

trigger

timesofthe square

&UP)

.

waveform

W

S

P

.

TPUT:Connector

OU
waveform

V

AR:Varies

ATTENU

ATTENU

.

TPUT

OU

ATORswitch.

ATOR(dB) :Varies

waveforminstepsof

generatorOUTPUT

for

amplitu

d e

betweenste

amplitudeofOUTPUT

10dB

.

R

IS

E an

d FA

LL

square

s

of

p

SYMME
symmetry.Divides

lights

V

VAR

:

ATIONcontrol

DUR

in

wave

TRY:Pull

=10

light.(Call-out3.)

aries

sweeptime

TIME

steps

:Varies

.

and

output

.

rise

turn toadj

frequency

between

stepsofS

and

ust

fall

time

waveform

by

ten

WEEP

of

and

REV

ΜΑΥ

1981

F

ig.2-2

.FRO

NTP

anelContr

olsandConnectors

.

En

glish2-3









O

p

erating

Ζ

6

Instructions-FG

S

WEEP

D

UR

sweeping

ramp.

ATION:

504

(S

N8040000

Selectsdurationoffrequency

&

UP)

For

first

time

operation,

B

lue

section

:

preset

thecontrolsasfollows

:

T

RIGLEVEL

that

MAN

when presse

OFFSET:Pull

31

waveform

AM

CARRI

impedanceatAM

(SINEWA

33

(T

RIANGLE

wave

(SQUA

35

Ο

output

starts

sweep

P

TRIG

:

from

ERAMPLITUDE

VE):B

output

.

RE

WAVE)

.

:

Selects

rovides

d

W

levelonS

ramp.

manual

i

n

.

and

rotate to

0Vat

I

NPU

uttoninselects

A

VE)

:

B

utton

:

theOU

T

<_10 kΩ.

B

utton

in

=2

WEEPTR

sweepwaveform

offset

TPUT

:Lamplights

sine

in

selects sq

IG

theOU
connector

wave

selects

uare

INPUT

start

TPUT

.

when

output

triangle

wave

FREQUEN

(Main
STOP

MULTIPLIER

H

O

LD/

R

V

A

Green

FREE

Orange

S

WEEPDUR

U

nmar

.

SineWave

R

IS

ATT
V

A

R

Connectα50Ω

vertical

V

ertical

Horizontal

Dial)

RUN

section:

RUN

section

ked

section:

Ean

d F

ENU

ATO

i

nput

CYHz

:

N

ATIO

ALLTIME

R

bnc

oscilloscope.Set

of

an

time

base

cable

10

40

10

1

RUN

(out)

ully

F

cw

In

O

FF

In

FIX

D

E

-10

F

ully

cw

terminated

the

oscillosco

1V/Div
1

DC

millisecond/Div

in50Ωtot

pe to

coupled

he

:

STO

P

FRE

highest

frequency

Q

UEN

CY

L

OG

g1

sweep

T

start
free

P

T

heCon

of

t

he front p

determining
functioncontrols
internal
orange

SWP/LI

logarithmic

.

R

IG

SWP/

withtrigger

run.

O

WER

:

F

G

504

.

F

IRST

trols

anel

controls

swee

pfu

on

t

he F

B

uttoninsto psfrequency

D

:

(STOP)

dial

Indicates

and

controlsand

n

G

frequency

from

STARTtoSTO

.

N

SWP:

sweep

.Button

FREE

RUN:B

.Button out

whenpower

TIME

Connectorspages

andinputs

ction

504

O

are outlinedin

are

controlsand

front

panel

PER

connectors.Thefrequency

sweep

.Button

out

P settingsonFRE-

B

utton

outproducesαlinear

utton

outlinedίη

.

inprod

i

n

causes

causes

is

ATIO

inputsare

N

give

blue,

green,and

sweep

thesweep

applied

α d

escri

the

outlined

sweep

uces

ption

trigger

t

he

at

s

to
to

to

in

A

djust

theoscillosco
cyclesofthe
wave,

sine

unmarked
R

otate

theATT

t

he out p

cond
t

he c

OFFSETk

F

sq
switc
to
c h
wave,

push

p

osition,

N

fre

L

OG

slowatfirst
butto

fre
k

nobon

ut

itions.Pull

h

ange

P

ress

thesquare

A

LL

TIME

uare

wave

h tothe

its

outpositionand

ange

of

and

ed

in.Retur

W

it

hthethree

switc

ote

that

quencytoα h

SWPbuttonin

n and

quency

the

sinewave.Now

wave,

and

the

section

amplitude

nobtothe

andobserve

ENU

ATO

changes.R

out

theOFFSETknob

indolevelofthe

i

n position

wave

switc

hth

roughits

sha pe.Return

PRE

SETposition.

rotate

waveshape
t

h

e

sine

for

wave

ntheSYMME

buttons

htheSWEEP

the

output

ig

her

frequency

and

and

then

more

note

that

thesweep

of

the

sweep

maindial

i

ntheblue

pe to display

alter

nately

tria

ngle

t

he

R

andVAR

eturn

output

.

button

in the

frequency

note

range.R

i

range

t

he

Pull

it throughits

the

square

with

t

he

TRYknobtoits

orange

D

UR

onceαsecond

that

thefrequency

rapid.Press

secitonoft

at

least

five

pushί

η

t

he sq

uare

wave

buttonsint

d

ifferent

controlstoverify

waveform

n

.

R
.Note

R

IS

theSY

approp

ATIONswitc hto1s.
changes

stops

otate

waveshapes

that

themtothepreset

and

rotate

otate

Eand

range

wave,

sectionintheout

the

theSTO

it

.Retur

R

t

he

t

he ch

FALL

MME

TRYknob

.

the

riate

inposition.

from

.

P

changeis

STO

at

t

hehigh

he panel

.

N

otice

nthe

ISEan
ange

TIME

Note

triangle
buttons

α

low

ress

P

FRE

P

FRE

.

Note

full

he

of

t

he

t

he

Q

est

Q

.

d

En

glish2-

4

REV

ΜΑΥ

1981

t

h

at

theSTO

R

elease

theSTO

button.Note

theMAN

h

anges

c
OFFposition

once.R

FRE

P

Q

is

P

FRE

Q

button

that

thefrequencynolonger

TR

button

IG

eturn

t

heS

.

by

set

and

andnote

WEEPDUR

theSTO

press

that

ATIO

P

FREQd

the

TRIG

S

n

ges

N

k

nobtothe

.Press

cha

thefrequency

WP

ial

.

pedan

loss.Signal
can

pulse.It
shortaspractical

OperatingInstructio

ce,

velocity

loss

is

attenuatehighfrequency

is thereforeimp

ns-F

of

pro

p

relate

dtofrequency.Α

.

ortant

G

agation,

informatio

504

to k

N

Β

(S

and

amou

fewfeetofcable

nin α

eep

these

040000

n

tofsignal

cables

&

UP)

fast-rise

as

P

ress

theTRIGbutton

in

.Note

that

the

OU

buttoninthe

p

lete

com

p

ressed

button

t

h

e

MAN

again

for

T

he out p

V

ary

the

output

Kn

ob

selects

d

ial.Switc

t

he sign

pus

hthe

to

see

waveformand
buttonisreleased

This

ment

.

R

isetime

If

the

the

riseorfalltimeofα d

ch

aracteristics

risetimeofthedeviceundertestisatleast
than

thecombined
monitoring
introduced

ignored
than

ten

testing
determined.
compone

e

q uals

individual

O

n

ce

of

t

he d

preceding

The

transmitting

gree

output

.Press

.Note

buttonispressed.

continuous

cycle

theGATEbutton

theoutput

that

ut

frequency

FREQUEN

frequency

al

H

that

completes

andFalltime

output

.When

timesaslongasthe

system,

n

thesquare

risetimes,or:

therisetimeofthesystemisk

evice

physical

.

thefrequency

hthe

MULTIPLIER

amplitudeslowly

O

LD/

RUN

oscillator

the

then

.

pulse

of

oscilloscopeand

will

not

theriseorfalltimeofthetest

t

he actual

T

h is is

t

ma

king

R,

under

method

and

cable

in thegreen

TPUT

signal

n

section

inand

for

eachtime

waveformiscontinuous

Press

output

.

controls

CY

controltosee

T

h

output

e

rangecoveredby

varies

buttonin

stops

begi nsatthesame

thefirst

t

h

e

exceed1ο/ο.

root of

_(

.

time

from

t

he F

evice,

associated

risetimes

associated

risetimeofthe

nd

from

fou

thesystem.The

up

thesum

R

ι

) Ζ

test

canbe

electricalcharacteristicsofthe

determine

section

stops

note

theMAN

i

n

.

Now

the

FREE

are

fre

quency

k

nobtothe

on

and

release

at

operation

G

504isuse

consider

equip

of

t

he

This

error

combinedrisetimesoft

the

of

R

~

z ) Ζ

+

foundby

thecharacteristic

.

Press

that

thereiso

pressthe

RUN

outline

theeffect

MULTIPLIER

10

- Ζ

the

oscilloscope,

it

several

one

point

poi ntwhen

of

d to

therisetime

ment

ten

times

F

G

504

cables,

can

generally

deviceisless

system

risetime

total

t

he s

q

uaresoft

+

. . .

nown,

t

he pan

of

theMAN

switchis

MAN

while

button

d

i

n

blue

t

on

main

the

range.As

times

on

t
t

theinstru-

measure

used.

If t

longer

plus

the

the

error

must
of

eac

risetime

the risetime

using

t

pulse

im-

ne

he

he
he

he

be

he

be

he

he

When signal

el

in

d

ifference

the
identical

Impedance

Asαpulse

en

countersαmismatch(or
thatofthe
sent

.

p

olarityofthereflectionsare
pedance
matchis
reflectionwillbeof

Ifitisαlower
willbeof

If

it

addstoor

distorts

If

ΜΩ

1

itance) of
transmission
an

dth

t

he input

prop

F

reeRunningOutput

Select

by

UA

SQ

P

h

us

D

UR

d

esired
Q

UEN

controlpermits
load

buttonis

desiredpeak-to-peakoutput

k

nob

Thewaveforms
offset
for

thedesiredoffset.Ifαsquare-wave
adjust
values

determi

d

evice

test

loss

transmission

k

along

bac

mismatc

α

opposite

t

he reflected sign

the

t

he F

G

input

t

heverticalinp

en

theoscilloscopeinput.The

capacitance

erly

terminated

t

he d

pus hingthe a

REWAVE,

h

th

e

FREE

ATIONswitc

frequency

CYHz

t

h

to

e

out.Set

vary

to

thewaveforms,

theR

T

h

.

eVA

compariso

n

ations

should

and

time

M

atching

travelsdownαtransmissionline,

theli

ne tothe

h

en

h ig

her

value

the

value

tha

polarity

subtracts

pulseshapeand

504

impedance

line

isdriving

to α50Ω

esired

TR

from

.

waveform

IANGLE,

RUN

h

is
wit

(START)dials.T

finefrequency

OUTPUT

theATT

t

he

amplitudebetween

with

ISEan

d F

R

k

nob

n

measurements

are

made,

the

two

signals

travel

throughcoaxial

delaycharacteristics

an im

pedance

line),αreflectionisgeneratedand

source.Theamplitude an

determinedby

countered.Iftheimpedance

t

h

am

am

e

before

p

p

litu

(s

q uare,

or

FF p

line

edance,

litu

d

button

SI

NEWAVE

than

same

polarityast

nthe

lineimp

.

al

returns

the

αhighimped

(paralleled

uttoanoscilloscope,

attenuator,50Ω

t

h

of

e device,and

pp

ropriate

button.Make certain

in

theO

.

d

ifferent than

impedance,

he a p

pliedsignal

thereflectio

t

he pulse

d

t

he pu

e of

e

.

ance

byαstated

termination,

attenuator

t

heF

triangle,

mar

t

osition.Select

h theMULTIPLIERandFRE-

he

FREQUEN

adjustments.Connect

terminal

out

pulland

ALLTIMEcontrol

offset

varies

.Make

ENU

ATO

amplitude

center

rotate

these

CY

certain

R co

n

trol

.Use

the

steps

around0V.To

theOFFSET

out putis

for

thedesire

times

between

or

cables

eachtime

theim-

is

ended

lse.This

suchas

capac-

connectt

isolates

504

G

or

sine)

ked

symbols

he S

WEEP

VERNIER

t

he

H

for

theV

.

control

selected,

time

from

with

mis-

t

t

wit

t

t

OLD

t

A

t

he

he

h
he

he

he
he

it

d

.

n

,

e

is

h

.

R

d

REV

ΜΑΥ

1981

E

nglish2-

5



















Β

Operati

control
selectedwaveform,
co

t

waveform

button.The

outputs
sinewaveform

feature

output

variesthe

Pull
any

Triggered

ngInstructions-FG
steps.Αtrigger

nn

ector

.

usingthesineor triangle

Wh

en

heMULTIPLIER

output

waveform

αdovoltage

reac

not

does

Whenpulled

frequency

based

time

controland

this

thet

of

W

hree

or

Gated

it

hthe FG504

is

inthe

may

equaltot

hed

erateonthesquare

o

p

out,the

(FRE

symmetry

turn

basic

Operatio

set for
describedintheprevious
or

gating

signal

outputwaveformper

of

the

TRIG button
triggeringwaveform

begin.Ifmore

desired,

now

pressthe

beginsatthe
waveformatthei
inglevel.T
gating

waveform

proximated

ap
periodofthe FG504

of

operation,

theterminationofthe

If,

at

app

roximately

ditional

variesthe

±80°
p

control
as

cycleiscom

in

triggeredor

startoft

T

h

.

is

ointontheoutput

Toman

ually

fully

d

desire

.IntheTRIGmode,
triggersone
mode,the
the

MAN

butto

V

oltage

α

ControlledFrequency

T

he output frequencyofthe

frequency

MULTIPLIER

theI

to

and

setth

at

t

han

one

GATEpushbutton

triggeri

nputcon

he output

durationisnowthe d u

.

The

bydividing

outputfrequency

t

he FG504

270°

of

p

gated

triangleorsine

he

h

asechangeis

p

waveform

trigger

k

wise

cloc

cycleoft

selectedoutput

n

ispressedin

range

setting,by applying

504(SN

signal,

one

availableatthe

slowest

b

e

stopped by push

generator

he

w

henthebutton

MMETRYcontroldividesthe

SY

Q

=10ind

ofthe

forthe

waveforms

free

paragraphs,apply

NPUTconnector.If

trigger

LEVEL

e

whic

control

hthe output

cycleofthe

ng

level

nector

numberofcyclesper

gating

the

always

gati

thelast

leted.

eratio

op

measure

.

or

gatetheFG

andpus

he outp

htheTRIG

ut

waveform

.

1000

of

040000&UP)

for

eac

h cycle

TRIGOUTPUT

waveform

output

fivepositions,th

ingthe HOL

t

stopsa

nd

he FG504

voltagethetriangle or

waspushed

.

n,and

waveform

icator

selected

desired

waveform

lit)byte

symmetryusi

.

n

running

operation

the

only

isdesired,

forthe

levelonthe

triggering

e

οη

pus

waveform

output

waveform

.TheFG

504

output

an d continues un

drops

belowthe

trigger-

ration of

b

urst

may

signal

duration

. 1

ηthegate

completes

ng

waveform,

d

thelast

lessthan

cycle remains,an

nthePHASEcontrol

output

waveform

d

504,

hingtheMAN

pus

fromth

e 0V,0°

nthe

tur

GATEbutton

or

waveforms.Inthe

continuesaslo

Operation

FG504

:1,

α 0Vto

ca n be

depe

swept

nding on

10Vsignal

t

he

of

wit

This

.

ng

as

cycle
hthe

is

to

he

til

t

t

he
be

he

byt

mode

cycle

ad-

LEVEL

button

GAT

ngas

over

the

by

D

is

h
e

to

t

heVC

imum
necessarytovarythe

obtai

nthe

frequency

10

6

10

5

ί7
Ζ

10

°

f-

ω

.

10'

ω

l7

10

2

Ζ

α

σ
σ

ω

J

α

10-' ~

J

Σ

10

-2

10

-

'-

Fig.

2-3.Graphsh
MULTIPLIER
appliedtoth

The p

d irectio

.

E

setbytheMULTIPL

cy
an d

FREQUEN
voltage
voltage

symmetrically

symmetrically

thefrequency

Sincethe

linear

d

mine

Hzd

ialposition
setting
maximum

n

ominal
setting.Forexample,
two-voltchangeatt
frequency8kH

Custom

This

frequency

T

FINPU

vcfrangefor

connector.SeeFigure

eachMULTIPLIER

FRE

:1

full

desire

ustom

C

swept rangeorthelowest

1000

d

.

positionwithfactoryin

UEN

Q

CY

4kHz

400 Hz

40

Hz

20

Hz_

4 Hz

4

0

0

0

0.4Hz

.04
.004
.001

10-'

setting

eVC

Hz

:

Hz

Hz0.4Hz

0

.04

Hz

Hz

10-210-'

owing

that

FINPUT.

4

11010210'

can be

4

0 Hz

Ητ

Frequency

r

ange

swept

400

of

olarityofthevcfinputsignal

ntheoutput

CYVERN

thefre

raises

frequency

I

ER,

IERcontrols.Αpositive-going

quency

swept

is

FREQUEN

while

lowersthe frequency.

V

about

about
controls

inputamp

vcf

sweeps theoutput

0

the cen

ter frequencydetermi

(seeFigure

litude
relationship,thefrequency
fromthe

timesthe

(40)

V

CFinput

sensitivity(H

Timing

feature

vcf

.

VC

z

.

permitsthe user

amplitudeandthe

input

Fsen

sitivityistheh

MULTIPLIER

voltage

z p

er

V)

wit

h α

heVC

FINPUTwillchanget

Ran

ge

V

(10

.

4timestheMULTIPLIER

of

10'

to

range.The.5Χ10'

2-3

setti

VERNIER

themax-

for

ng.Itmay

control

swept

dcap

stalle

80kHz

acitor.

40
4

MHz

MHz

400kHz

4

0kHz

20

kHz

4 kHz

Hz

10410510610'108

Hz

2028-03

frequenciesforeach

sig

wit

h α0to10V

n

determinesthe

fromthe

CYHz

α n

Α

voltagethatvaries

fre

quen

R

(STA

egative-goi

freque

T),

ncy

ned by

2-3)

.

output

ighest

ra

nge d

frequencyisα

maybe

FRE

Q

deter-

UEN

CY

possibledial

ividedbyt

versus

).Inthe FG504,thisisa

MULTIPLIER

setting,
heoutput

installαcustom

position ofthe

swept

MUL-

be

to

al

-

ng

he

α

En

glish2-6

REV

ΜΑΥ

1981

OperatingIn

structions-FG

504(SNΒ040000&UP)

Τ1PLIER

installed
MULTIPLIER

20kHz

Ph

ch

switchis

capacitor

.

aseLocke

Th

e

frequencyoft

ronized

used

(C248)

switchprovides

dOp

eratio

wit

h an

externally-applied

forthe

custom

forth

α

n

he outp utwaveform

swept

range.The

isposition

range

reference

from

may

factory-

ofthe

20Hzto

be

syn-

signal

Th

e

output

frequencyoft

±10maj
applied

division).Connectthe
connector

control

respecttothereference
controladju

waveform

.

ordialdivisionsofthe
signal(the

andpus

variesthe ph

.

heFG

504mustbe

frequencyofthe

"1"onthedialisthelowestmajordial

ststhe

reference

hth

e

ΦLOC

aseofthe

triggeri

signal

signaltotheI

K

pushbutton.ThePHASE

output

waveform±80°

waveform.TheLEVEL

ng pointonthe

settowithin

externally

NPU

wit

reference

T

h

Fig.

P

roperadj

easier
FREE

t

hanthe

I

NPUTconnector,andthen

LEVELcon

t

he

an

oscilloscope)adj

FG504untilitisnearlythe
signal
controlat12

pressΦLOCK

to

obtainαstable

controlrange

Αjumper

modulatinginputw

REV

ΜΑΥ

ustmentoftheLEVELandPHASEco n

ifthey are adjustedfirst

RUN

frequencyoftheFG

frequencyoftherefere

trol

for

stable

ustth

appliedtotheI

o'clock

.

R

decreases

allowsth

1981

NPUTconnector.SetthePHAS

(for0°withsine

dj

ustthePHASE

ea

output atthe desired ph ase.ThePHAS

eVC

henthe FG504isoperatedinthe

2-4.Sweptfr

intheTRIG

504

nce

signal

selecttheTRIG

triggeri

e output

sameasthefre

above4MHz.

FINPUTto

ngand(if

control,ifnecessary,

equencyrange

mode.Setthe

somewhathigher

ap p

mode.A

frequency

quencyofthe

wave

selected)

functionasα phase

trols

liedtot

viewing

ofthe

with10Vsignalap

he

dju

on

an d

is

st

E

E

plied

toVCFIN

PHASELOCKmode.Thephase

limits

are±2.5

Whenp
the

Amplitude

themod

t

dial
AmplitudeModulatingInputspecification

mation

h

outputphase

To

amplitude

heSI

NEWAVE

for

aboutthismode

loc

ase

M

ulating

t

h

e

V,

odulating

signaltotheAMINPUTconnector.Push

d

esiredcarrier

conn

ector.

modulatingi

wit

h anup

ked,thephase

by approximately

modulatetheoutput

pushbuttonand

per

Input

of

operation.

frequency

modulating

setthe

frequency

5°/V.

waveform,

FREQUEN

nput

limit of1kH
voltage

connect

R

efer toth

.

for

morein

En

glish2-

voltage

z

varies

Hz

CY

for-

.

e

7