Tektronix 7704A User Manual

1 . Am p lifier plug-in unit ( d ual trace)
2 . Time-b ase plug-i n unit
Eq ui p ment R equire d
3 . T h ree-inc h screwdriver
Control Settings
32 . A d j ust V ertical Se p aration
α . R emove Q3416 from
B oard (see F ig . 6-37) .
c . Set t
he RE ADO UT con trol for visi b le ch aracters (all
zeros) .
d . C HE CK -C RT
d is p lay for two rows of zeros, 40 zeros
to α row wit
h
no
overla p . T h e two rows of zeros s h ould b e
locate d
vertically in t he middle of t h e to p and b ottom d ivi-
sions of t h e graticule (see F ig . 4-3) .
RE ADO U T SYST EM
ΝΟΤΕ
If the R eadoutSystemwas deleted from the instrument
being calibrated (Option 1), omit this section of
the procedure .
RE ADO U T
G R ATI
LLUM
NOTE
The
location of adjustments for calibration is shownon α pullout, page 6-35, in the Diagrams section .
Set t he
7704 Α controls as follows :
P
O WER
VER
TICA
L M
OD
E
VER TT R AC E
S EP A R ATIO N ( Β )
ΑT R IGG ERSO UR CE
Α ΙΝΤΕΝ
H
O
R IZO N TA L M OD E
Β ΙΝΤΕΝ
Β
T R IGG ER
SO
UR C E
I N T EN SITY
F OC U S
b . Set t he P O WER switc
h
to on .
O FF
R IG HT
Midrange
VER T M
OD
E
Midrange
Α
Midrange
VER T M OD E
Midrange
Set for α welI-clefine d
d isplay
O FF
Midrange
its soc k et on Α
34, R ea dout
e . AD JU ST- V ertical Sep aration ad j ustment R 4390
(see
F ig . 6-37) to position t he two rows of reado u t c
h
aracters
to
t he midd le of t he top and bottom d ivisio
n
s
of t he graticule .
f . Set t h e
P
O WER
switc h to off an d replace Q3416 (see
F ig . 6-37) i n its soc k et
; retur n
t
he P
O
WER switc h to on .
ιο -
Οχ
ι
NO
ΤΕ
T hese tolerances
are provided as guides to correct
instrument operation
and are not instrument
specifications .
ΝΟΤΕ
Calibration-7704A Service
T he V ertical Amplifier Centering
adjustment must be
correct before making this
adjustment, see step 11 .
F ig . 4-3 . R ea dou t d is p lay wit h Q3416 remove d .
4- 23

Tektronix 7704A Specifications

General

Brand	Tektronix
Model	7704A
Category	Test Equipment
Language	English