Active differential filter network

Details Active differential filter network Active differential filter network

1975-10-20

1977-04-26

Miller, Jr., Stanley D.

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

330146, H04B 1500

Patent

active

040204243

ABSTRACT:
The present invention contemplates an improved active differential filter network comprised of a bridge network having a pair of input-output junctions and a pair of control junctions, and an operational amplifier having an inverting input connected to one of the control junctions and an output connected to the other control junction, the operational amplifier having a non-inverting input connected to a bias control signal.

REFERENCES:
patent: 3344283 (1967-09-01), Stubbs
patent: 3588728 (1971-06-01), Elazar
patent: 3596198 (1971-07-01), Niki et al.
patent: 3638133 (1972-01-01), Meyers
patent: 3747009 (1973-07-01), Funke

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