Specifications
1
Connect the pulse generator to channel 1, using a 50-
Ω
 feedthrough
at the oscilloscope input.
Channel 1 is labeled "1" on HP 54645A and "A1" on HP 54645D.
2
Press
 Autoscale 
.
3
Change the time base to 10 ns/div.
4
Press
 1 
 on the HP 54645A, or 
 A1 
on the HP 54645D, then
toggle the 
Vernier
 softkey to 
On
.
5
Adjust the Volts/Div until there are about 6 divisions of vertical
deflection.
6
Adjust the channel 1 high-frequency response for 1.0 minor division
of overshoot (4%).
7
Repeat steps 1 through 6 for channel 2.
Channel 2 is labeled "2" on HP 54645A and "A2" on HP 54645D.
High-Frequency Pulse Response Adjustment Locations 
High-frequency
pulse response
adjustments
Figure 7-7
Testing, Adjusting, and Troubleshooting
To adjust the high-frequency pulse response
7-37










