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5820A
Operators Manual
5. Verify that your oscilloscope exhibits the proper rise time and pulse aberration
6. Remove the input signal by pressing l.
4-31. Pulse Response Calibration Using a Tunnel Diode Pulser
You can use the calibrator to drive a tunnel diode pulser (Fluke Part Number 606522 or
equivalent), allowing you to check for pulse edge rise times as fast as 125 ps.
The calibrator sources a maximum pulser drive signal of 100 V p-p at 100 kHz. The
recommended (and default) output setting is 80 V p-p at 100 kHz.
Perform the following procedure to use a tunnel diode pulser:
1. Connect the calibrator, tunnel diode pulser, and oscilloscope as shown in Figure 4-2.
2. In Edge mode, press the TDPULSE softkey to "on".
3. Press l.
4. Rotate the control on the pulser box to the minimum setting necessary to trigger a
4-18
characteristics.
reading.
Pulse aberrations
oq013c.eps
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