Analog filter

Details Analog filter Analog filter

1990-12-24

1992-05-05

Mullins, James B.

Amplifiers

Signal feedback

Amplifier in signal feedback path

330107, 330294, H03F 134

Patent

active

051111543

ABSTRACT:
An analog active filter for realizing the secondary transfer function by using an amplifier having a feedback loop having a first integrating function block which integrates an input signal, second and third integrating function blocks which integrate an output signal, a first signal combining function block which combines signals from the first and second integrating function blocks with the input signal, a fourth integrating function block which integrates signals from the first signal combining function block, and a second signal combining function block which combines signals from the third and fourth integrating function blocks with the input signal and derives the output signal.

REFERENCES:
patent: 4453132 (1984-06-01), Stamler
Y. Yamamoto et al., IEEE Transactions on Consumer Electronics, vol. 34, No. 3, Aug. 1988, pp. 443-451.

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