Tektronix FG 504

O p erating Inst r uctions- F G 504 (S N Β 040000 & UP)
F ig . 2-13 . GAT E D O PER ATIO N . T he to p t hr ee traces a r e va
r
ious
out p ut wave
f
orms a
n
d
t h
e bottom
tr ace is t he gati ng wave f o r m
applie d to t he t r igge r INPU T conn ecto r wit h t he GAT E
pu s hb utto n p resse d in . N ote t he additional cycle complete d after
t he waveforms are gate d o f f .
F ig . 2-14 . T RIGGERED O PER ATIO N . T he to p t hree
t r
aces
are t he
va r ious outpu t t r aces selecte d . T h e b ottom trace is
t h
e
tr iggeri n g
wave
f
o
r m
ap plie
d
to
t he trigge r INPU T co n nector wit h t he T R IG
mo
de selected . N ote t h at only one cycle of t he out p ut wavefo r ms
is com p lete d .
E nglis h 2- 1 0
F ig . 2-15 . PHASE CO N T RO L O PER ATION . T h is ph otog r aph
illust r ates PH AS E cont r ol usage i n t h e triggered mode . T he five
supe r -i mp ose d t r aces illustrate t he ef f ect of t he ph ase co n t rol .
T h is cont rol pr ovi des a pp roximately ±80° of s h ift . Th e b ottom
trace is t he triggeri n g wavefo
rm .
F ig . 2-16 . PH AS E L OC KED L OO P . T h e botto m t r ace is t he sig n al
ap plied to t h e I NPU T co nn ector i n t he Φ L OC K mode of
operatio n . T h e midd le trace is t h e output ph ase locked to t he
i npu t signal . Th e to p traces s h ow t he effect of t h e PHAS E co
n
t rol
.
REV ΜΑΥ 1981