Performance Check/Calibration—Type 422 AC-DC
J
Amplituc
divisions
le - five
or greatc
r
___
i i
___
Duration - 5.2 to
6.25 divisions
Fig. 5-28. Typical test oscilloscope display when checking GATE
OUT signal (vertical deflection 0.1 volt/division; sweep rate two
milliseconds/division).
c. CHECK—CRT display for duration of each cycle be
tween 5.6 and 8.4 divisions (150 kilohertz ±20%; see Fig.
5-29).
d. CHECK—CRT display for total length of each chan
nel segment between 2.0 and 4.7 divisions (2.0 to 4.7
microseconds).
Fig. 5-29. Typical CRT display when checking chopped repetition
rate and blanking.
e. CHECK—CRT display for complete blanking of
switching transients between chopped segments (see Fig.
5-29).
Control Setup
When performing a complete procedure, change the fol
lowing control settings and proceed with step 54.
Vertical Mode CH 1
5-34
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