Tektronix TEKFAX ADA400A, Инструкция по эксплуатации

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Performance Verification
36
ADA400A Differential Preamplifier
Table 14: Equipment Settings for X100, 100 Hz CMRR Checks
ADA400A Setting
Upper Bandwidth 3 kHz
Oscilloscope Setting
Vertical gain 2 mV/div
Time base 5 ms/div
Sine Wave Generator Setting
Output 100 Hz
18. Set ‘--’ input to GND .
19.
Do steps 5 to 10.
20.
Set oscilloscope to 10 V/div. Measure trace is
<
3.2 divisions wide (32 V,
90 dB).
21. Modify the equipment settings according to Table 15.
Table 15: Equipment Settings for X10, 100 kHz CMRR Checks
ADA400A Setting
Gain 10
Upper Bandwidth 1 MHz
Oscilloscope Setting
Vertical gain 20 mV/div
Time base 5 s/div
Sine Wave Generator Setting
Output 100 kHz
22. Set ‘--’ input to GND .
23. Do steps 5 to 10 but with only one 10X attenuator.
24. Set oscilloscope to 1 mV/div. Measure trace is
<
1 division wide (1 mV,
60 dB).
25. Modify the equipment settings according to Table 16.