Push-pull buffer amplifier and source driver

Details Push-pull buffer amplifier and source driver Push-pull buffer amplifier and source driver

2007-09-18

2007-09-18

Lam, Tuan T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C326S087000, C330S255000, C330S264000

Reexamination Certificate

active

11160103

ABSTRACT:
A push-pull buffer amplifier and a source driver are provided. In the buffer amplifier, the N-type and the P-type comparators compare an input signal and an output signal. The input terminals of the first and the second inverters are coupled to the first output terminals of the N-type and the P-type comparators, respectively. The first and the fourth transistors are controlled by the second output terminal of the N-type comparator and the output terminal of the second inverter, respectively, so that the first voltage line charges/discharges an output load. The second and the third transistors are controlled by the second output terminal of the P-type comparator and the output terminal of the first inverter, respectively, so that the second voltage line charges/discharges the output load.

REFERENCES:
patent: 5959475 (1999-09-01), Zomorrodi
patent: 6137360 (2000-10-01), Memida
patent: 6331846 (2001-12-01), Nakao
patent: 6507245 (2003-01-01), Tai
patent: 7030865 (2006-04-01), Ishiyama
patent: 7170351 (2007-01-01), Shimatani
patent: 2004/0227713 (2004-11-01), Sun
Weste et al., Principles of CMOS VLSI Design: A Systems Perspective, 1993, Addison-Wesley Publishing Company, Second Edition, pp. 78-79.

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