Low distortion variable gain and rooting amplifier with...

Details Low distortion variable gain and rooting amplifier with... Low distortion variable gain and rooting amplifier with...

2007-05-29

2007-05-29

Pascal, Robert (Department: 2817)

Amplifiers

Combined with automatic amplifier disabling switch means

C330S009000, C327S124000

Reexamination Certificate

active

10918904

ABSTRACT:
An amplifier which comprises an operational amplifier, a semiconductor switch that selectively connects at least one circuit to an input terminal of the operational amplifier, and a device for virtual shorting of both terminals of the semiconductor switch in an isolated state.

REFERENCES:
patent: 6400220 (2002-06-01), Wang et al.
patent: 6452424 (2002-09-01), Shamlou et al.
patent: 6621334 (2003-09-01), Ausserlechner et al.
patent: 6853241 (2005-02-01), Fujimoto
patent: 6897720 (2005-05-01), Fujimoto
patent: 2003/0107432 (2003-06-01), Huynh
patent: 38 38 103 (1990-05-01), None
patent: 696 17 369 (2002-05-01), None
patent: 0 540 906 (1997-08-01), None
patent: 2000-298337 (1926-10-01), None
Search Report for German Patent Application No. 10 2004 050 623.5.

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