Method and system for producing a drive signal for a current...

Details Method and system for producing a drive signal for a current... Method and system for producing a drive signal for a current...

2005-06-28

2005-06-28

Mottola, Steven J. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S253000

Reexamination Certificate

active

06911865

ABSTRACT:
Provided is a method and system for producing a drive signal for a current steering amplifier. An exemplary method comprises receiving a supply voltage signal and a differential input signal as a circuit input. A differential amplifier drive signal is produced in response to the received supply voltage signal, the received differential input signal, and the received differential control signal. The received differential input signal is adjusted to a value where magnitudes of negative and positive components of the differential control signal become equal to one another and are within a predetermined amount of a magnitude of the supply voltage signal.

REFERENCES:
patent: 4075574 (1978-02-01), Gilbert
patent: 5742203 (1998-04-01), van de Plassche et al.
patent: 2002/0093380 (2002-07-01), Cali
International Search report issued Jan. 6, 2003 for Appln. No. PCT/US02/25798, 5 pages.

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