Integrated feedback active filter/integrator

Details Integrated feedback active filter/integrator Integrated feedback active filter/integrator

1975-05-27

1976-10-12

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307229, 328127, 328167, G06G 718, G06G 712

Patent

active

039861279

ABSTRACT:
An integrated feedback active filter/integrator processes electrical signals and performs bandpass and lowpass filtering or integration and double integration. The integrating and double integrating features are obtained by setting the quality factor of the bandpass filter to one half. This provides accurate integration for all frequencies greater than about ten times the center frequency of the filter. The circuit integrates the output and returns (feeds back) this value in the negative sense to the circuit input.

REFERENCES:
patent: 3814352 (1974-06-01), Grimes
patent: 3902139 (1975-08-01), Harrell
patent: 3906381 (1975-09-01), Bennett

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