Tektronix T922 - Page 40

Performance Check-T921/T922/T922R
12 . 15 MHz Internal Tra
. Set :

SOURCE
CH 1 VOLTS/DIV
SEC/DIV
b . Set sine-wavegenerator frequency
to 15 MHz and
output amplitude for a 3 division
display ; then set CH 1
VOLTS/DIV to .1 V .
c .
CHECK-Stable display can be obtained in
both
+OUT and -IN
positions of SLOPE switch for both AUTO
and NORM modes .
13 . 15 MHz External Triggering
a . Set :

SOURCE

EXT
b . CHECK-Stable display can be
obtained in both
+OUT and -IN positions of SLOPE switch for both AUTO
and
NORM .
3-8
e . Disconnect test setup .
TIME MARK
GENERATOR
50 S2
CABLE
OSCILLOSCOPE
50 SZ
TERMINATION
------------- 1
SEHIMENINE
MM sing
MENNEN
1982-05
Fig . 3-5 . Timing accuracy check test setup .
14 . Z-Axis Input
b . Set sine-wave generator frequency to 50
kHz and
adjust output amplitude for 5 division
display .
c . Disconnect 50
S2 cable from X or EXT (external
trigger) input and connect it to EXT Z AXIS connector at
rear of instrument .
d .
CHECK-Trace modulation is noticeable at normal
intensity . (Adjust LEVEL control as required to obtain
stable display .)
15 . Sweep Rate Accuracy
a . Connect test setup as shown in
Fig . 3-5 .
REV . C JUL 1977
iggering
INT
a . Set : CH 1 VOLTS/DIV 1 V
50 mV
SEC/DIV .1 ms
.2 /is
SOURCE
INT
MODE AUTO