To Adjust The High-Frequency Pulse Response - HP 54645A User's And Service Manual

Testing, Adjusting, and Troubleshooting

To adjust the high-frequency pulse response

Adjust the channel 1 low-frequency compensation adjustment for as
6
flat a pulse top as possible.
Channel 1 is labeled "1" on HP 54645A and "A1" on HP 54645D.
Repeat steps 1 through 6 for channel 2.
7
Channel 2 is labeled "2" on HP 54645A and "A2" on HP 54645D.
Figure 7-6
Variable Capacitor Reference Designators
To adjust the high-frequency pulse response
In this procedure, you adjust the high-frequency pulse response for each
channel.
Table 7-15 Equipment Required
Equipment
Pulse generator
Adapter
Feedthrough
7-36
Critical specifications
Rise time <875 ps
SMA (f) to BNC (m)
50 , BNC (m) and (f)
Recommended Model/Part
PSPL 1107B TD and
PSPL 1110B Driver
HP 1250-1787
HP 11048C