Tektronix 7704A User Manual

Calibration-7704A
Service
1 . Sig n al sta n dar
d izer cali b ratio n fixture
2 . Time-base p lug-i n u
n it (two re qu ire d )
3 . Amplifier plug-in
u nit
4 . Time- m ar
k ge n e r ator
E q ui p ment
R equire d
5 . L ow-fre q uency signal
generator
6 .
T h ree-inc h sc r ew d river
7 .
L
ow-ca p acita n ce sc r ew d river
Control Settings
Set t he 7704 Α con trols 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 C E
Α ΙΝΤΕΝ
H O R IZO N TA L M OD E
Β ΙΝΤΕΝ
Β TR IGG ER SO UR C E
I N T EN SITY
F
OC
U S
G R ATILLUM
T h e locatio n ofadju stments is shown
onpu llout p age 6-35, in t h e Diag
r ams section .
ΝΟΤΕ
ON
R IG HT
Midrange
VER T
M
OD
E
M idrange
Β
M
idrange
VER'r MODE
Midrange
Set
for α well- d efine d
d
is
p lay
Midrange
T he H o rizontal Inte
r
face Gain
adjustments do not
nee d to be c h ec k e d d uring
routine calib r ation . How-
ever, if components a
r e r eplace d o r if t he Acquisitio n
Un it is use d in α
diffe r ent system, adj ustment mig h t
be necessary . T
he need for adjustment is i nd icated
if
t he H
orizontal System adjustments can not be per-
formed according
to t he following p r ocedu r e .
Cali-
b ratio n i n formatio
n for t h e H orizon tal Inte r face is
given
u nde r Special A dju stment Pr oce
d ures in t he
M aintena n ce section .
,,/21 Β . A d j ust H orizontal
Am p lifier Gain
α . I n stall α time-
b ase unit in t he R IG H T
VER T com p art-
me n t .
b . Set t
he time- b ase un it for α
free-r u nning sweep at α
rate of 0 .1
millisecon d / d ivisio n .
4-
1
6
H O R IZO N TA L SYST EM
ΝΟΤΕ
ε .
Install t he signal sta nd ar d ize
r
cali
b ration fixture i n
t he
Β
H
O
R IZ com partment .
d . Set t he cali b
ration fixture Test switc h to
V ert
or
H oriz Gain an d t
h
e
R e pR ate switc h to 100 kH z .
e .
P ositio n t h e dis p lay to align t he b rig
h
t ce
n ter trace
wit h t he
center vertical line of t h e graticule .
V f .
C HE
CK -Deflectio n b etwee
n t he second and te n t h
traces is
eig h t d ivisions ± 0 .08 d
ivisio n . Note t he exact
d eflectio
n for ste p 21j .
g . AD JU
ST- H o r izo n tal Gain ad j ustme
nt R 4310 (see
F ig . 6-34)
for eig h t d ivisions of d
eflectio n b etween t he
seco
nd a nd tent h t r aces .
h
. M ove t h e cali b ration fixture
to t h e Α H O R IZ
com
p artment .
i . Set t he H O
R IZO N TA L M OD E switc h to Α
.
-,/j
. C HE CK
-Deflection b etween t
h e seco nd and tent h
traces is
t he same as in pa rt
f
±1% ο
(eig h t d ivisions ±0 .08
division,
if R 4310 was a dj uste
d in p a r t g) .
k . AD JU ST-If necessary,
com pr omise t h e
setti n g of
R 4310 for op timum
gain fo r b ot h h
orizo n tal com p art-
ments . If re-a dju
stment is necessary, rec h ec
k parts ε
t hrough j .
REV . Β , ΜΑΥ ,
1976

Tektronix 7704A Specifications

General

Brand	Tektronix
Model	7704A
Category	Test Equipment
Language	English