Video Gain - Agilent Technologies 83620A Service Manual

5. On the pulse generator, set:
Pulse:
Pulse width: 10 ns
Frequency: 2 MHz (500 ns)
Offset: 0V
6. On the pulse generator, set the pulse amplitude for a reading of 0.1V on
the oscilloscope.

Video Gain

7. Connect the pulse generator to the oscilloscope's channel 1 through the
attenuator, lters, and ampli er (B).
8. On the oscilloscope, set:
Channel 1:
Volts/Division
Offset
Input Coupling
Input Impedance 50
Trigger:
Trigger Mode
Trigger ource
Trigger Level
Trigger lope
9. On the oscilloscope, note the pulse amplitude:
10. Calculate the video gain:
Video gain = system Vp (from step 9)
Video Gain =
2-90 Performance Tests
Pulse Modulation Video Feedthrough
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elected
0.2V
0
0.3V
dc
Edge
Channel 1
0
0.4V
Negative
pulse generator Vp
= system Vp
:
0 1 Vp
Vp
HP 8360