Calibration Procedure For Tunable Active Filter Krohn-Hite, Model 3940

SECTION I. IDENTIFICATION AND DESCRIPTION
SECTION III. CALIBRATION PROCESS
Equipment Setup
Figure 1. Motherboard.
Low Pass/High Pass Response
Figure 2. Microprocessor card.
Cutoff Frequency Accuracy
Cutoff Frequency Accuracy - Continued
Stopband Attenuation
Final Procedure
Power Supply and DC Adjustments
1st Quadriatic Frequency
Passband Unity-Gain
2nd Quadriatic Frequency Calibration
2nd Quadriatic Frequency Calibration - Continued
2nd Quadriatic Frequency Calibration - Continued

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