Active amplitude equalizers

Details Active amplitude equalizers Active amplitude equalizers

1976-03-22

1977-03-15

Gensler, Paul L.

Wave transmission lines and networks

Coupling networks

Equalizers

330107, 333 80R, H03H 716, H03H 744

Patent

active

040127044

ABSTRACT:
This invention concerns gyrator circuits, and particularly gyrator circuits used in filters. The gyrator network contains two differential input operational amplifiers and an input network, some of the elements of which are variable to enable the Q, the bandwidth and the resonant frequency to be adjusted in such a way that previously adjusted parameters are not changed. The circuit may have three configurations according to the position of a pair of ganged switches, alternatively the switches may be replaced by fixed links.

REFERENCES:
patent: 3936777 (1976-02-01), Rollett et al.
patent: 3940709 (1976-02-01), Heaslett

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