Differential amplifier circuit used in solid-state image...

Details Differential amplifier circuit used in solid-state image... Differential amplifier circuit used in solid-state image...

2011-03-08

2011-03-08

Tran, Sinh (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C330S253000, C327S538000

Reexamination Certificate

active

07903150

ABSTRACT:
The output terminal of a first voltage-current conversion circuit, which includes operational amplifiers and a resistor, is connected to the output terminal of a second voltage-current conversion circuit which includes operational amplifiers and a resistor, and also to the negative input terminal of the second voltage-current conversion circuit via a source follower as an impedance conversion circuit which is formed by an NMOS transistor and constant current source. Furthermore, the output terminal of the first voltage-current conversion circuit serves as the output terminal of a differential amplifier circuit. The positive-phase input terminal of the second voltage-current conversion circuit is connected to a reference voltage. Since the node of the current outputs of the first and second voltage-current conversion circuits has a high impedance, these circuits operate to equalize their output currents.

REFERENCES:
patent: 4464588 (1984-08-01), Wieser
patent: 4779059 (1988-10-01), Taki et al.
patent: 5012140 (1991-04-01), Bateman
patent: 5157350 (1992-10-01), Rubens
patent: 5387877 (1995-02-01), Robinson
patent: 5493205 (1996-02-01), Gorecki
patent: 5567942 (1996-10-01), Lee et al.
patent: 6194696 (2001-02-01), Fossum et al.
patent: 6567571 (2003-05-01), Kochi et al.
patent: 6587000 (2003-07-01), Oikawa
patent: 6633334 (2003-10-01), Sakurai et al.
patent: 6734908 (2004-05-01), Watanabe et al.
patent: 6933973 (2005-08-01), Sako
patent: 7116365 (2006-10-01), Ueno et al.
patent: 2002/0024001 (2002-02-01), Hiyama et al.
patent: 1054561 (2000-11-01), None

Affiliated with

Also associated with

Rating

Differential amplifier circuit used in solid-state image... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Differential amplifier circuit used in solid-state image..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Differential amplifier circuit used in solid-state image... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2679474