Class AB source follower

Details Class AB source follower Class AB source follower

2008-07-29

2008-07-29

Pascal, Robert J. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

C330S267000

Reexamination Certificate

active

11402760

ABSTRACT:
Various source follower circuits and methods for implementing such are disclosed. As one example, a class AB source follower circuit is disclosed that includes a source follower circuit that is actively biased. The dynamic biasing allows the source follower circuit to sustainably sink a DC current. In some instances of the embodiments, the class AB source follower circuits are operable to source and sink both AC and DC currents.

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patent: 6509722 (2003-01-01), Lopata
patent: 6683492 (2004-01-01), Krishnapura et al.
patent: 7242252 (2007-07-01), Taylor
P.R. Gray, R. G. Meyer, S. Lewis, and P. Hurst; “Analysis and Design of Analog Integrated Circuits.” 4thEd., 2001, pp. 213-215.
Jing-Hong Conan Zhan, Stewart S. Taylor, “A 5GHz Resistive-Feedback CMOS LNA for Low-Cost Multi-Standard Applications,” 2006 IEE International Solid-State Circuits Conference; pp. 200-201; 648.

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