Second-order canonical active filter

Details Second-order canonical active filter Second-order canonical active filter

1974-12-13

1976-11-23

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307229, 330109, H03B 100

Patent

active

039939596

ABSTRACT:
A high-pass notch filter with variable gain that may be greater than unity is realized using a differential amplifier and only two capacitors that can be equal. The transmission zero and pole frequency are completely independent of the amplifier d-c gain. Three embodiments of the filter are illustrated, thus extending the available range of the gain to cover all requirements.

REFERENCES:
patent: 3805178 (1974-04-01), Rollett
patent: 3831103 (1974-08-01), Ruegg et al.
patent: 3886469 (1975-05-01), Rollett

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