Electronic circuit

Details Electronic circuit Electronic circuit

2007-03-29

2009-08-25

Mottola, Steven J (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including atomic particle or radiant energy impinging on a...

C250S2140AG

Reexamination Certificate

active

07579915

ABSTRACT:
An electronic circuit includes: a control circuit that controls the gain of a transimpedance amplifier by taking part of an input current to be input to the transimpedance amplifier, based on the output voltage of the transimpedance amplifier; and a PIN diode that is provided between an input of the transimpedance amplifier and the control circuit, and is connected in the forward direction with respect to the current to be drawn into the control circuit.

REFERENCES:
patent: 4415803 (1983-11-01), Muoi
patent: 4620321 (1986-10-01), Chown
patent: 4679251 (1987-07-01), Chown
patent: 4939475 (1990-07-01), Prasse et al.
patent: 5646573 (1997-07-01), Bayruns et al.
patent: 6081558 (2000-06-01), North
patent: 3543677 (1987-06-01), None
patent: 2003-258580 (2003-09-01), None
patent: WO 99/28768 (1999-10-01), None

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