In Detail
P6015A Instruction Manual
1–19
6. Adjust MID 2 (C2) to flatten the area 100 ms from the leading
corner.
7. Adjust MID 3 (C4) to flatten the area 50 ms from the leading
corner.
Some interaction exists between the LF COMP, MID 1, MID 2, and
MID 3 adjustments. Steps 4 through 7 may have to be repeated
several times to achieve optimum flatness of the square wave.
Transient Response
1. Set the calibration generator pulse amplitude to minimum.
2. Set the calibration generator output to a square wave with rise
time ≤10 ns. If you are using a PG 506A, do this by inserting a
50 W termination between the amplitude output and the BNC
male-to-GR adapter.
3. Set the oscilloscope time base to display 100 ns/div. Set the
oscilloscope vertical deflection to 1 mV/div (1 V/div when using
the readout option).
4. Set the calibration generator period to 1 ms, and set the pulse
amplitude to display five divisions.
5. Center the waveform on the screen.
6. Adjust HF COMP (R6) for overall flatness of the front corner.
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