Open loop DC control for a transimpedance feedback amplifier

Details Open loop DC control for a transimpedance feedback amplifier Open loop DC control for a transimpedance feedback amplifier

2008-07-17

2009-06-09

Lee, Benny (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including particular biasing arrangement

Reexamination Certificate

active

07545219

ABSTRACT:
A transimpedance amplifier having open-loop DC control is provided. The open-loop feedback control may provide a DC bias that is configurable based on the characteristics of an input device, such as, a photodiode or a magnetoresistor. The open-loop feedback control may provide quick recovery from voltage level variations and may provide stability for the amplifier.

REFERENCES:
patent: 5030925 (1991-07-01), Taylor
patent: 5087892 (1992-02-01), Hayashi
patent: 5929759 (1999-07-01), Charrier
patent: 6218905 (2001-04-01), Sanders et al.
patent: 6552324 (2003-04-01), Kothari et al.
patent: 6876260 (2005-04-01), Visocchi

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