Biquad RC active filter

Details Biquad RC active filter Biquad RC active filter

1976-11-26

1978-04-18

Dahl, Lawrence J.

Amplifiers

Signal feedback

Phase shift means in loop path

330 51, 330109, H03F 136

Patent

active

040853802

ABSTRACT:
An RC active filter affords great flexibility for realizing biquadratic transfer functions, albeit with an extremely simple design comprising two operational amplifiers having plural inputs and outputs.

REFERENCES:
thomas, Lee C. "The Biquad": (Part I & Part II) IEEE Transactions on Circuit Theory, pp. 350-361, May 1971.

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