MOSFET amplifier having feedback controlled transconductance

Details MOSFET amplifier having feedback controlled transconductance MOSFET amplifier having feedback controlled transconductance

2007-05-22

2007-05-22

Lee, Benny (Department: 2817)

Amplifiers

Signal feedback

In cascade amplifiers

C330S107000, C330S260000, C330S294000

Reexamination Certificate

active

11073019

ABSTRACT:
A signal is applied to the body of a MOSFET to enhance the transconductance of the MOSFET. The signal applied to the body of the MOSFET has essentially the same waveform as an input signal supplied to the gate of the MOSFET, and is shifted by approximately 180 degrees with respect to the input signal. The signal applied to the body of the MOSFET may be provided by a phase-adjusting feedback circuit that generates the signal from a signal representing the output of the MOSFET.

REFERENCES:
patent: 6064262 (2000-05-01), Wang
patent: 6362687 (2002-03-01), Cox
patent: 6429684 (2002-08-01), Houston
patent: 6614301 (2003-09-01), Casper et al.
patent: 6873209 (2005-03-01), Takata et al.
A 0.9V body effect feedback 2 GHz low noise amplifier, Taris, T.; Begueret, J.B.; Lapuyade, H. and Deval, Y., University of Bordeaux; This paper appears in: European Solid-State Circuits, 2003. ESSCIRC'03. Conference on, Publication Date: Sep. 16-18, 2003, pp. 659-662.

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