Tektronix 576 - Page 131

Performance C h ec
k /Calib r atio n -Ty p e 576
5-
24
FH
ΓΊΝΝΟΝ
WEEN
MENEEME
MENNEEN
ENEENEEMON
MENEEMENNE
MMMMENNNNN
MEMNON
Rι
M E N ER M /
Μi ιι
55 ΝΟ """
NNEEMENEME
:(C)
d . Set t he following Type
576 controls to :
ΜΑΧ PEAK
VOLTS
H O R IZO N TA
L
VER TICA
L
ν
Ε
τ ρ
Α
Dw
PER
Ν
ρ 50
Ζ V
Drv
PER
s
Ρ
β
9ER
PER Ι V
D IV
Λ
PER
Χ
V
ις
ρ
ν
Ε
ρ
τ
ρΑ
οιν
οιν
PER
s
τ
Ρ V
PER
t5 ρ
Drv
F ig . 5-12 . Ty p e 576 d i s pl ay
o
f l
oo p ing : ( Α ) Display o f undesira b le
do u ble loop ; ( Β ) Di splay
o
f
u ncom p ensated loo p ing ; (C) Di s p lay
o f
com p e n sated loo p i ng .
350
50 V CO LLE CTO R
10 μΑ (if trace is n ot
on CR T)
e . C HE CK
F
O
R -M inim u m h ig h fre quency noise on
trace
.
f . AD JU ST-C341, Η .
F . N OIS E REJE CTIO N a d j ust-
me n t, (see Fig . 5-13)
for minimum h ig h fre q
uency n oise .
Do not a d ju
st C341 more t han α few tu r ns cloc
k wise .
F ig . 5-13 . L ocat
i on ofad j ustments in step 35 .
g . C HE C K F O R -M inim u
m vertical wi d t h of trace loop
(see Fig . 5-1 2B and C) .
h . AD JU ST-C339,
350 V a nd 1500 V L OO P I N G CO M -
PEN SATIO N a d j
ustment, (see F ig . 5-13) for minimum
widt h of trace loop .
i . Set th e following Ty p e 576 co n trols to :
VER TICA L 1 μΑ
H O R IZO N TA L
2 V CO LLE CTO R
MAX PEAK VO L TS

15
j . CH E C K F O R - M inimum
ve r tical wi dth of trace loop .
k .
AD
JU ST-- L OO P I N G CO M PEN SATIO N
control and
C301, L OO P I NG BA L A NC
E
a
d j ustment (see Fig . 5-13),
fo r minimum vertical wi d t
h of the trace
loop .
Ι . Set t h e following Ty pe 576 controls to :
H O R IZO N TA L 50 V CO LLE CTO R
MAX
PEAK VO L TS

350
m . R
e p
eat parts
g t h ro ugh k .
η . For α
complete calibration or a d j ustments only, t h is
com
p letes t he p roce d ur e .
36 . C h ec k an
d A d j ust L oo p ing Com p ensation
α . Set
t h e following Ty pe 576 controls to :
VER TICA
L 1 μΑ
HO R IZO
N TA L 2 V CO LLE CTO R
MAX PEAK
VO L TS

15
VA R IA
BLE CO LLE CTO R

F ully Clcok
wise
S UPPL Y
b . C HE CK
F
O
R -M inimum vertical wi d t h of t he trace
loop (see Fig . 5-12
Β and C) .