Semiconductor device capable of internally generating bias...

Details Semiconductor device capable of internally generating bias... Semiconductor device capable of internally generating bias...

2005-02-01

2005-02-01

Lao, Lun-Yi (Department: 2673)

Computer graphics processing and selective visual display system

Display driving control circuitry

C345S098000, C345S211000, C345S099000, C713S322000

Reexamination Certificate

active

06850232

ABSTRACT:
In a semiconductor device, at least one operational amplifier drives a capacitive load in accordance with a control signal. A bias changing circuit receives the control signal to generate a bias changing signal in synchronization with the control signal dependent upon a width of the control signal. A bias circuit controls a bias current flowing through the operational amplifier in accordance with the bias changing signal.

REFERENCES:
patent: 5218352 (1993-06-01), Endoh et al.
patent: 6005541 (1999-12-01), Takahashi et al.
patent: 6633270 (2003-10-01), Hashimoto
patent: 20030016200 (2003-01-01), Hashimoto
patent: 20030043129 (2003-03-01), Tazuke
patent: 20030234758 (2003-12-01), Bu et al.
patent: 9-093055 (1997-04-01), None

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