Table 22: Equipment Settings For Lf Adjustments - Tektronix ADA400A Instruction Manual

ADA400A Differential Preamplifier

Table 22: Equipment Settings for LF Adjustments

ADA400A
+ Input
- - Input
Gain
Upper Bandwidth
Oscilloscope
Vertical gain, Ch1
Time base
Calibration Generator
Output Mode
2. Connect dual input connector to ADA400A input.
3. Connect 50 Ω terminator to dual input connector.
4. Connect a coaxial cable to calibration generator fast rise output to 50 Ω
terminator.
5. Connect a coaxial cable from trigger out of calibration generator to Ch4 of
oscilloscope.
6. Adjust amplitude for 5 divisions on screen.
7. Adjust CV6 for flat response.
8. Make the second equipment settings according to Table 23.
Table 23: Second Equipment Settings for LF Adjustments
ADA400A
+ Input
- - Input
Oscilloscope
Vertical gain
Time base
9. Adjust CV14 for minimum trace.
10. Disconnect setup.
This completes the ADA400A adjustment procedures.
Adjustment Procedures
Setting
DC
Gnd
1
Full (1 MHz)
Setting
200 mV/div
20 s/div
Setting
Fast Rise, 10 kHz
Setting
DC
DC
Setting
5 mV/div
20 s/div
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