Tektronix FG 504

Fig . 2-9 . V A R IA BLE RIS E AN D F A LL TI ME S . By va
ryi ng t h e rise
a nd fall times i n t h e square wave mode va
r ious pulse s hapes a r e
formed .
F ig . 2-10 . L I NE A RS WEEP . Select
t he start and sto p f r equen cies
and t h e inter n al li near r am p fo
r
α
swe p t outp u t f r o m t he sta r t to
sto p f r eque n cies
i n t he selected time .
REV ΜΑΥ 1981
O p erating Instructio n s- F G 504 (S
N Β 040000 & UP)
F ig . 2-11 . L OGA R IT HM IC S
WEEP . U se t h e same set u p as i n F ig .
2-10 . Select t h e
logarit h mic r am p . The fre q uency is swe p t at α
loga r it h mic
rate . T he loga r it h mic r am p voltage is n ot exte rn
ally
available .
F ig .
2-12 . NARR O W B AND S WEEP . The to p tr ace sh ows t he
tria
n gle wavefo r m swe p t by α li nea r r amp . The sta
r
t
fr
eq
uency is
9 .52 kH z a n d t he stop fre qu ency is
10 .52 kH z . T h is fu n ctio n is
u seful for na r row ba
n
d
sweep testing . T he bottom t r ace is t he
sweepi ng
ramp .
En glis h 2- 9