Analog level shifter

Details Analog level shifter Analog level shifter

2006-12-12

2006-12-12

Nguyen, Matthew V. (Department: 2838)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C363S073000

Reexamination Certificate

active

07148734

ABSTRACT:
An analog level shifter includes a voltage output circuit which generates a first voltage and a second voltage in response to an input voltage and which adds the second voltage to the first voltage to output a third voltage, a voltage-current converting circuit to which the third voltage is inputted and which outputs a converted current proportional to the third voltage, a current subtracting circuit which subtracts a desired current from the converted current outputted by the voltage-current converting circuit, to output the resulting current, and a current-voltage converting circuit which generated a fourth voltage proportional to the current outputted by the current subtracting circuit.

REFERENCES:
patent: 5764094 (1998-06-01), Hatsuda
patent: 6717451 (2004-04-01), Klein et al.
patent: 6727835 (2004-04-01), Blankenship et al.
patent: 6963238 (2005-11-01), Mochizuki
patent: 7049877 (2006-05-01), Clara et al.
patent: 4-287411 (1992-10-01), None
Yoshikazu Miyawaki, et al., “A 29-mm2, 1.8-V-Only, 16-Mb DINOR Flash Memory with Gate-Protected-Poly-Diode (GPPD) Charge Pump”, IEEE Journal of Solid-State Circuits, vol. 34, No. 11, Nov. 1999, pp. 1551-1556.

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