Tektronix FG 504 - Page 88

incomi ng sig n al from 10 to 30 kH z a nd verify t
h
at
t h
e
sig n alfromt heF
G
504
locks
v v j t h t h eincoming signal over
t he entire ra n ge .
10 . T
R
IGger O UT PU T a
n
d
H
O
L D
Ope
r
atio n
α . Set t he F G 504 co n trols as follows :
Cali br atio n
P
rocedure-
F
G
504 (S N 8040000 & UP)
P erfo r ma n ce C heck
switc h Off
VA R iable

F ully ccw
R IS E an d F A LL TIME
switc h

F IX E D
V A R iable

F ully ccw
ATTENU ATO R (d B )

O dB
V A R
iable

F ully cw
TR IG LEVEL

M i
d
range
SY MME TR Y M i d ra n ge
b . Co nn ect t he TR IGger O U T PU T t h roug h an unter-
mi n ate d cable to t he vertical i np ut of t h e oscilloscope .
V erify
t
h
at t he sig n al varies from 0 V to 2 .0 V or more .
c . Disco nn ect t he 50 Ω cable from t he T R IGger O U T-
P
U
T
a nd co nn ect it to t he OU T PU T con n ector . Set t h e
MUL TI PL I ER switch
to 10 -2 . Wh e n t he outp u t wavefo r m
reac h es α maxim u m p ositive o r n egative
p ea
k , p
ush in t he
H O L D button a nd n ote t h at t he o u t p ut sig n al stops at t h at
p oi n t . V erify t h at t he output voltage d rifts less t han 10 ο/ο of
t h
e "sto p p ed" voltage am p litude in o n e h ou r .
H O L
D/
RUN p ush butto n RUN
FRE Q UEN CY Hz
(STA R T) dial 10
STO
P
dial 40
MUL TI PL I ER 10 2
FRE Q UEN CYVERN I ER
(V A R) F ully cw
T R IGG ER / FREE RUN
p us hb utto n FREE RUN
LEVEL co n trol M idra nge
S WEEP pus hb utto ns O u t
W aveshap e p ushbuttons Si ne wave
O FF SET control M idrange
PH AS E control M idra n ge
S WEEP D UR ATIO N