14
1145A 2-Channel Active Probe
Adjustments
7
Adjust RA for a flat pulse top.
8
Adjust RB for a linear rising edge.
9
Adjust DAMP for about 6% overshoot.
10
Temporarily place the cover on top of the probe body, then measure the
pulse rise time.
The rise time should be
≤
470 ps and overshoot about 9 to 10%. You may need to
remove the cover and make minor adjustments to RA, RB, and DAMP to meet
specifications.
11
Repeat steps 1 though 10 for the other channel.
12
Install the cover, and verify the performance still meets specifications.
About 9 to 10% overshoot and a rise time
≤
470 ps.