User Manual 9260
3-6 MAINTENANCE, PERFORMANCE CHECKS and ADJUSTMENTS
Amplifier
Bandwidth
Amplifier bandwidth checks the bandwidth of the output.
Amplitude Accu-
racy
Equipment
:
Oscilloscope,
PM8571A
Pulse
Waveform
Generator
Preparation:
1. Configure the Oscilloscope as follows:
Time Base:
200 μs/div
Amplitude:
5 V/div
2. Connect the 9260 input to the PM8571A output
3. Connect 9260 Channel outputs to the Oscilloscope input
via 50Ω/2W Termination
4. Configure the PM8571A as follows:
Amplitude:
2 V
Outputs:
On
Frequency:
As specified in Table 3-3
Test Procedure
1. Using the variable vertical adjustment on the oscillo-
scope, adjust the vertical trace to show exactly 6 vertical
divisions
2. Perform bandwidth tests using Table 3-3
Table
3-3, Output Bandwidth Tests
PM8571A Frequency
Oscilloscope
Setting
Error Limits
Reading
Pass
Fail
1 MHz 6 Divisions
10 MHz 6 ±0.5 Divisions
20 MHz 6 ±1 Divisions
45 MHz 6 ±1.8 Divisions