All-pass filter

Details All-pass filter All-pass filter

1992-07-15

1993-11-02

Mullins, James B.

Amplifiers

Signal feedback

Amplifier in signal feedback path

330107, 330151, 330306, H03F 134

Patent

active

052587169

ABSTRACT:
An all-pass filter includes an adder which comprises a variable conductance amplifier and a capacitor connected to the output terminal thereof. The adder is being arranged to add the output of a band pass filter and an input signal together.

REFERENCES:
Trapnell et al, "Wideband Amplifier", IBM Technical Disclosure Bulletin, vol. 2, No. 5, Feb. 1960, p. 40.

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