Amplifier circuit

Details Amplifier circuit Amplifier circuit

2009-04-22

2010-11-09

Choe, Henry K (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S255000

Reexamination Certificate

active

07830207

ABSTRACT:
A differential amplifier circuit110composed of an inverter is connected to the power supply voltage VCC and the ground voltage GND through a NMOS transistor142and a PMOS transistor144respectively. The NMOS transistor142is connected to the control signal terminal PS, and the PMOS transistor144is connected to control signal terminal PS through an inverter150. The NMOS transistor142and the PMOS transistor144are controlled such that they can be simultaneously cut off by a control signal from the control signal terminal PS. In this way, the power consumption of the amplifier is reduced.

REFERENCES:
patent: 6008695 (1999-12-01), Sichert et al.
patent: 7423486 (2008-09-01), Matsushita
patent: 7583752 (2009-09-01), Teng et al.
patent: 61-289717 (1986-12-01), None
patent: 62-160815 (1987-07-01), None
patent: 08-077779 (1996-03-01), None
patent: 2000-306382 (2000-11-01), None

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