Low noise arrangement or an amplifier

Details Low noise arrangement or an amplifier Low noise arrangement or an amplifier

1997-10-06

1999-11-09

Pascal, Robert

Amplifiers

Hum or noise or distortion bucking introduced into signal...

330 9, H03F 126

Patent

active

059822341

ABSTRACT:
The invention relates to an arrangement comprising a main amplifier (1, 10) and means (5) for creating, at least during predetermined periods, a floating references voltage (V.sub.G) for applying at least one input signal (V') on at least one first input terminal (E-, E) of the main amplifier, said reference voltage (V.sub.G) being servo-controlled to the equivalent input noise (Vn) of the main amplifier.

REFERENCES:
patent: 4222012 (1980-09-01), Yokoyama
patent: 4580103 (1986-04-01), Tompsett
patent: 4707667 (1987-11-01), Bertsch
patent: 5365191 (1994-11-01), Hayashi
patent: 5585756 (1996-12-01), Wang
patent: 5796300 (1998-08-01), Morgan
patent: 5796850 (1998-08-01), Shiono et al.
patent: 5812023 (1998-09-01), Jones

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