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Publication No. 980935 Rev. A
3152B User Manual
Pulse Response
Adjustments
The pulse response adjustments ensure that rise and fall times as well
as aberrations are within the specified range. Use this procedure if you
suspect that the pulse response is an issue. Note that setups 56 and
57 are marked as a factory adjustment and therefore, they are
normally not required during normal calibration cycles unless the pulse
response of the output stage has drifted and does not meet the
published specification limits or after a repair has been executed on
this circuit.
(Setup 56)
Pulse Response, Amplifier Out
Equipment: Oscilloscope, BNC to BNC cable, 20 dB feedthrough
attenuator
Preparation:
1. Configure the 3152B as follows:
Function:
Square
Amplitude:
1
V
2. Connect the 3152B output to the oscilloscope input. Set
oscilloscope input impedance to 50
Ω
.
3. Set oscilloscope vertical sensitivity to 20 mV
4. Set
CAL:SETUP40
Adjustment:
1. Adjust the vertical trace to 6 divisions
2. Adjust RV1 for best pulse response (4 ns typ., 5 % aberrations)
(Setup 57)
Pulse Response, Amplifier In
Equipment: Oscilloscope, BNC to BNC cable, 20 dB feedthrough
attenuator
Preparation:
1. Configure the 3152B as follows:
Function:
Square
Amplitude:
6
V
2. Connect the 3152B output to the oscilloscope input. Use 20 dB
feedthrough attenuator at the oscilloscope input.
3. Set oscilloscope input impedance to 50
Ω
4. Set oscilloscope vertical sensitivity to 0.1 V
5. Set
CAL:SETUP41
Adjustment:
1. Adjust vertical trace to 6 divisions
2. Adjust C25 for best pulse response (4 ns typ., 5 % aberrations)
EADS North America Test and Services
Adjustments and Firmware Update 7-29
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