TB 9-6625-2112-24
(6) Repeat technique in (3) through (5) above, using settings listed in table 5. Pulse
amplitude as indicated on oscilloscope will be within limits specified.
Table 5. Amplitude
Oscilloscope indications
Test instrument
(V peak)
Amplitude volts
Pulse polarity
Equal to or
Equal to or
switch settings
switch settings
less than
more than
501
+ and -
20
50
20
+ and -
10
20
10
+ and -
5
10
+ and -
5
2
5
2
+ and -
1
2
1
+ and -
0.5
1
0.5
+ and -
0.2
0.5
0.2
+ and -
0.08
0.2
1Remove
attenuator from input to 2465B-46.
b. Adjustments. Adjust AMPLITUDE VERNIER control fully ccw and adjust R374
(fig. 2) for a pulse amplitude indication on oscilloscope of less than 50 V (R).
Figure 2. Test instrument - top view.
10. Pulse Width
a. Performance Check
(1) Position controls as listed in (a) through (e) below:
(a) REPETITION RATE switch to 1 MHz.