Fast differential level shifter and boot strap driver...

Details Fast differential level shifter and boot strap driver... Fast differential level shifter and boot strap driver...

2009-12-23

2011-11-08

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C326S062000, C326S081000

Reexamination Certificate

active

08054123

ABSTRACT:
A boot strap driver including a fast differential level shifter are disclosed. The fast differential level shifter may include a first differential amplifier differentially amplifying a pulse width modulation signal and an inverted pulse width modulation signal and outputting a first differential amplification voltage and a second differential amplification voltage based on the amplified result. The fast differential level shifter may also include a second differential amplifier differentially amplifying the first differential amplification voltage and the second differential amplification voltage, and shifting the differential amplification voltages to voltages having an output range between a first voltage and a second voltage based on the amplified result.

REFERENCES:
patent: 5559464 (1996-09-01), Orii et al.
patent: 6429700 (2002-08-01), Yang
patent: 7501876 (2009-03-01), Kimura
patent: 7710093 (2010-05-01), Dwarakanath et al.
patent: 2008/0238525 (2008-10-01), Flaibani et al.

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