Source follower

Details Source follower Source follower

2007-12-31

2010-06-01

Lam, Tuan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Converging with plural inputs and single output

C326S082000, C327S108000, C327S112000

Reexamination Certificate

active

07728646

ABSTRACT:
A source follower includes first through third switches, first and second transistors, and a first capacitor. The first switch is used to determine whether or not to couple the source of the first transistor with an input signal. The second switch is used to determine whether or not to couple a gate and a drain of the first transistor with a first voltage. A first end of the first capacitor is coupled with a first control signal, and a second end of the first capacitor is coupled to the drain of the first transistor and a gate of the second transistor. The third switch is used to determine whether to or not couple a drain of the second transistor with the first voltage, and a source of the second transistor serves as an output of the source follower.

REFERENCES:
patent: 6466063 (2002-10-01), Chen
patent: 7196556 (2007-03-01), Nguyen et al.
patent: 7315195 (2008-01-01), Park
patent: 7511530 (2009-03-01), Cox et al.
patent: 2006/0049857 (2006-03-01), Song
patent: 2006/0145735 (2006-07-01), Sakamoto et al.
patent: 2006/0220704 (2006-10-01), Butler
patent: 2007/0236440 (2007-10-01), Wacyk et al.

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