Transconductor, integrator, and filter circuit

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – Nonlinear amplifying circuit

Reexamination Certificate

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Details

C327S103000

Reexamination Certificate

active

07605645

ABSTRACT:
A transconductor for receiving a differential voltage signal and outputting a differential current signal, includes two transconductors for receiving the differential voltage signal and outputting a single-end current signal. An inversion input terminal of one of the two transconductors is connected with a non-inversion input terminal of the other. The transconductor outputs a current signal output from each of the two transconductors as the differential current signal.

REFERENCES:
patent: 4728900 (1988-03-01), Nakagawara et al.
patent: 4914408 (1990-04-01), Voorman
patent: 5489872 (1996-02-01), Gopinathan
patent: 5912583 (1999-06-01), Pierson et al.
patent: 6456158 (2002-09-01), Giuroiu
patent: 6677822 (2004-01-01), Hasegawa
patent: 6727757 (2004-04-01), Venkatraman et al.
patent: 7091785 (2006-08-01), Deval et al.
patent: 7279974 (2007-10-01), Rowley

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