Drive circuit

Details Drive circuit Drive circuit

2005-12-13

2005-12-13

Choe, Henry (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S261000

Reexamination Certificate

active

06975168

ABSTRACT:
The present drive circuit includes: a first N-type transistor connected between a power supply potential line and an output node; a P-type transistor connected between the power supply potential line and the gate of the first N-type transistor; a second N-type transistor forming a diode connected between the gate of the first N-type transistor and a prescribed node; and a differential amplifier for regulating the gate potential of the P-type transistor to match the potential at the prescribed node with the input potential.

REFERENCES:
patent: 5907259 (1999-05-01), Yamada et al.
patent: 6066985 (2000-05-01), Xu
patent: 6759903 (2004-07-01), Horimoto
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patent: 315454 (1997-09-01), None
patent: 9-260969 (1997-10-01), None
patent: 2002-123326 (2002-04-01), None
patent: 2002-290172 (2002-10-01), None
patent: 315454 (1997-09-01), None

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