35
1159A 1GHz Active Differential Probe
Adjustment of 10:1 and 20:1 Attenuators
19
Use the square head trimmer tool to set the + LF compensation for a
minimum of overshoot and undershoot at the leading edge of the
waveform.
Adjust the compensation to achieve the best waveform characteristics when you
remove the tool.
20
Set the oscilloscope time base to 500 nS/div
21 Connect the probe + and inputs to the function generator output.
You can use BNC C on the calibration fixture. Connect the probe ground to the
function generator ground.
22
Set the amplitude of the function generator to 10 V and the frequency
to 5 kHz.
23 Set the oscilloscope sensitivity to maximum.
24 Use the square head trimmer tool to adjust the LF compensation for
minimum signal amplitude.
It is not possible to make the trace completely flat.
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