Rail-to-rail source followers

Details Rail-to-rail source followers Rail-to-rail source followers

2007-04-18

2008-12-09

Tran, Anh Q (Department: 2819)

Electronic digital logic circuitry

Interface

Logic level shifting

C326S026000, C326S080000

Reexamination Certificate

active

07463066

ABSTRACT:
Circuits and methods are provided for producing a rail-to-rail output voltage. A circuit includes a level shifter and a source follower. The level shifter receives an input signal and applies a compensation voltage to the input signal relative to a voltage level of the input signal in steady-state. The source follower produces an output signal and, responsive to variations in the voltage level of the input signal, changes the voltage level of the output signal.

REFERENCES:
patent: 5917378 (1999-06-01), Juang
patent: 6624669 (2003-09-01), Tsuchi
patent: 6919743 (2005-07-01), Tobita
patent: 7208974 (2007-04-01), Chui

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