Tektronix 576 - Step Generator Calibration

P erformance Ch
ec k /Cali br atio n -Ty p e 576
POLARITY

AC
M OD E

NO RM
A MPL IT UD
E

2 V
NUMBER O
F ST EP S

1
STEPS

P ressed
ST
EP F A M I L Y REP
RATE

N O RM
Ty pe 576 Calibratio
nF ixture
Fu nction

Ste p Gen
Ste p Generator
L
oa
ds

Ste p Gen
Test Oscillosco p e
Time/Cm
Triggering
M illivolts/Cm
I
nput Attenuation
In p ut Cou p ling
5-
1 6
2 ms
Trig, +, AC, I nternal
50
R φ
DC
R
Τ
οιν
Η
Ο
75
ηΛ
7W
R
Inv
β
PER
οιν
F ig . 5-8 .
T ype 576 display of c r ossove
r lines for ad j usting ZER O
C
R OSS ad j ustment R8 .
F ig . 5-9
. S TEP G EN ci r cuit
boa r d : Location of ad j
ustments in step 14 and ste p s
22 through 26 .
ί
M
" ι ι
_ :
INE
ΕΝΟ
together but
ι
overlapping
ι
~~ Ο _ -
_ _
M ΕΝΕΕΜΕΝΝΕ
--
ι
~ESSEN
_ _
ST EP G ENER ATO
R V c R ange
0
Initial Control
Settings
Type 576
Com p arison V oltage
10 .000
P osition
Dis p lay Centere d
VER TICA L
ST EP G EN
21 . A d j ust
Zero Crossings an d Ste p
Delay
DIS PL AY O FF S
ET Selector H O R IZ Χ 10
C EN T ERL I NE
VA LUE 5
α . P osition t h
e crossover
p
oint of t he two traces to t
he
H O R IZO N TA
L 5 V CO LLE
CTO R
center of t he graticule
using t he Ty p e 576 h orizontal
F
I NE
P OSITIO N (
V ertical and Centere d
P OSITIO N controls
H orizontal)
b .
C HE CK F O R-Crossover lines toget
h er at center (see
MAX PEAK V OL
TS 15
F ig . 58) .
PEAK P O WER W ATTS
0 .5
VA R IA BLE CO LLE
CTO R F ully Clock wise
c . AD JU ST- R 8,
Z
ER O
CR OSS a d j ustment,
(see F ig .
S
UPPL Y
5-9)
if t he d is p lay is not
correct .