Switched level-shift circuit

Details Switched level-shift circuit Switched level-shift circuit

2006-05-23

2006-05-23

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C327S390000

Reexamination Certificate

active

07049877

ABSTRACT:
Switched level-shift circuit (SLSC) for a signal-switch (1) which is provided for switching an applied analog input signal (VAIN), wherein the switched level-shift circuit (5) comprises an input terminal (13) for the analog input signal applied to the signal-switch (1), a control input terminal (18) for a control signal (SW), an analog level-shift circuit (15) which adds a constant voltage to the analog input signal (VAIN) to generate a level-shifted analog output signal when the control signal (SW) is in a first logical state (high); and an output terminal (4) for the generated level-shifted analog output signal which is connected to a gate terminal (2) of said signal-switch (1).

REFERENCES:
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patent: 6509781 (2003-01-01), Dufort
patent: 6677798 (2004-01-01), Chang et al.
patent: 6844769 (2005-01-01), Yamamoto et al.
patent: 2004/0119522 (2004-06-01), Tachibana et al.
patent: 158837 (1983-02-01), None
patent: 0597200 (1993-08-01), None
patent: 01175317 (1989-07-01), None
patent: 02086213 (1990-03-01), None
International Search Report dated Jan. 2, 2004.
European Search Report dated Jan. 3, 2003.

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