Reconfigurable power control for a mobile terminal

Amplifiers – With semiconductor amplifying device – Including particular power supply circuitry

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C330S296000

Reexamination Certificate

active

11002473

ABSTRACT:
Power control circuitry that is configurable as either a Low Dropout (LDO) voltage regulator or a switching DC—DC converter for controlling a variable supply voltage provided to a power amplifier of a mobile terminal is provided. The power control circuitry includes an output stage including first and second output transistors, an analog control system, and a digital control system. When in LDO voltage regulator mode, the analog control system provides an analog control signal to the first transistor based on an adjustable power control signal and a feedback signal indicative of the variable supply voltage, and the digital control system operates to disable the second output transistor. When in DC—DC converter mode, an output stage of the analog control system is disabled, and the digital control system provides binary control signals to the first and second transistors based on the adjustable power control signal and the feedback signal.

REFERENCES:
patent: 5126688 (1992-06-01), Nakanishi et al.
patent: 5182527 (1993-01-01), Nakanishi et al.
patent: 5608353 (1997-03-01), Pratt
patent: 5629648 (1997-05-01), Pratt
patent: 5808453 (1998-09-01), Lee et al.
patent: 5826170 (1998-10-01), Hirschfield et al.
patent: 5870296 (1999-02-01), Schaffer
patent: 6137274 (2000-10-01), Rajagopalan
patent: 6198347 (2001-03-01), Sander et al.
patent: 6313705 (2001-11-01), Dening et al.
patent: 6414469 (2002-07-01), Zhou et al.
patent: 6459602 (2002-10-01), Lipcsei
patent: RE38140 (2003-06-01), Schaffer
patent: 6624702 (2003-09-01), Dening
patent: 6677735 (2004-01-01), Xi
patent: 6690147 (2004-02-01), Bonto
patent: 6701134 (2004-03-01), Epperson
patent: 6701138 (2004-03-01), Epperson et al.
patent: 6724252 (2004-04-01), Ngo et al.
patent: 6734724 (2004-05-01), Schell et al.
patent: 6844776 (2005-01-01), Schell et al.
patent: 2003/0054778 (2003-03-01), Hecht
patent: 2004/0183511 (2004-09-01), Dening
P. Asbeck, G. Hanington, P.F. Chen, and L.Larson, “Efficiency and Linearity Improvement in Power Amplifiers for Wireless Communications,” University of California, San Diego, La Jolla, CA, IEEE 1998, pp. 15-18.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Reconfigurable power control for a mobile terminal does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Reconfigurable power control for a mobile terminal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reconfigurable power control for a mobile terminal will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3777994

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.