Tektronix 7704A User Manual

Calibration-7704A
Service
k . Set t h e calibratio
n fixture for an eig h t-division
d is p lay wit h t h e R e
p
R
ate switc h set to 100 kH z .
H orizo n tally center t
h
e
d isplay .
Ι . AD JU ST- H orizontal
Amplifier h ig h -fre q ue n cy com-
pensation a d j
ustments R
4385,
C4385, C4391, an d C4374
(see F ig . 6-34)
for
op
timum s q uare-wave res p on se . Ch ec k
t h e lea
d ing edge of t h e pulse (lower rig h t cor n er) for
aberrations not to exceed +1 .2 division wit h total p ea
k ,
to-
pea k aberrations not to excee
d 1 .2 d ivision . See F ig . 4-1
for α ty p ical res p onse waveform
.
m . R epeat p a r ts b t h roug
h g
of
t h is ste p .
η . Disco nn ect all test
e q ui pment and remove t h e p lug-i n
units .
-,/ 26 . C h ec
k Χ - Υ Ph ase S h ift
α .
Install identical-type am p lifier u n its in t h e R IG H T
VER T an d Α H O RIZ
com p artments .
b . Set b ot h am p lifier units for α d eflectio n
factorof ten
millivolts/ d ivisio n wit h DC i n put cou p li n g .
ε . Connect t h e low-frequency sig n al
generator to bot h
amplifier un its .
d . Set t h e sig n al ge n e r ator for eig h t d ivisio n s
of vertical
and h orizontal d eflectio n at an output
fre q uency of 50
k ilo h ertz .
-/e . C HE C K -C
RT lissa
j
ous d isplay for an opening at
t h e ce n ter vertical
line of 0 .28 division or less (indicates
2 ° or less ph
ase s h ift ; see F ig . 4-2) .
f . M ove t h e Α H O
R IZ u n it to t h e Β H O R IZ compart-
ment and set t h e H O R IZO N TA L
M OD E switc h to Β (leave
sig n al co n nected) .
EMENEEMEN
on
NEEMENE
MENEEMEMEN
MMMEENNNNE
NEENEENNUM
101111111111111111111
NEENEENE
ENEEMENIN
MENEENEEN
F ig . 4-1 . W avefor
m
s
h owi n g co r rect h ig h -fre qu e n cy comp e n sation
of h orizo n tal a
m plifier . Ci r cle s ur ro u n d s co m pensate d p ortion
of
wavefo rm .
F ig . 4-2 . Typical display w h e n ch ec
k i n g Χ - Υ p h ase s h ift .
-,/g
. R epeat p arts
d an d e .
h . Disconnect all test eq uipment
and remove t h e p lug-i n
units .
ρ . . . . . . . . . . . . . . . .,
, Ι . . . . . .
.,
~
t*
0 .28
. . or less
divisio n
.
οχ
~ "

Tektronix 7704A Specifications

General

Brand	Tektronix
Model	7704A
Category	Test Equipment
Language	English