Error driven RF power amplifier control with increased...

Amplifiers – With control of power supply or bias voltage – With control of input electrode or gain control electrode bias

Reexamination Certificate

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C330S297000, C330S149000

Reexamination Certificate

active

07466195

ABSTRACT:
A power amplifier controller for adjusting a supply voltage to a power amplifier. The power amplifier controller adjusts the supply voltage so that distortion in an RF output signal corresponds to a predetermined limit. An amplitude error signal is generated by the power amplifier controller which represents a difference between an RF output signal and an attenuated RF output signal. The AC components of the amplitude error signal are processed to generate a deviation signal that represents the distortion in the RF output signal. The supply voltage to the power amplifier is increased when the deviation signal exceeds a distortion level control signal, and decreased when the deviation signal drops below the distortion level control signal.

REFERENCES:
patent: 3900823 (1975-08-01), Sokal et al.
patent: 5142240 (1992-08-01), Isota et al.
patent: 5675288 (1997-10-01), Peyrotte et al.
patent: 5822442 (1998-10-01), Agnew et al.
patent: 5880633 (1999-03-01), Leizerovich et al.
patent: 6133792 (2000-10-01), Hansson
patent: 6141541 (2000-10-01), Midya et al.
patent: 6166596 (2000-12-01), Higashiyama et al.
patent: 6175273 (2001-01-01), Sigmon et al.
patent: 6300826 (2001-10-01), Mathe et al.
patent: 6353359 (2002-03-01), Leizerovich
patent: 6377784 (2002-04-01), McCune
patent: 6404823 (2002-06-01), Grange et al.
patent: 6437641 (2002-08-01), Bar-David
patent: 6445249 (2002-09-01), Khan et al.
patent: 6472934 (2002-10-01), Pehlke
patent: 6528975 (2003-03-01), Sander
patent: 6583664 (2003-06-01), Mathe et al.
patent: 6661210 (2003-12-01), Kimball et al.
patent: 6781452 (2004-08-01), Cioffi et al.
patent: 6917244 (2005-07-01), Rosnell et al.
patent: 6924695 (2005-08-01), Cioffi et al.
patent: 6924700 (2005-08-01), Taura et al.
patent: 6924711 (2005-08-01), Liu
patent: 7197286 (2007-03-01), Ode et al.
patent: 2002/0053897 (2002-05-01), Kajiwara et al.
patent: 2002/0168949 (2002-11-01), Johannisson et al.
patent: 2003/0017840 (2003-01-01), Katagishi et al.
patent: 2003/0155978 (2003-08-01), Pehlke
patent: 2004/0071225 (2004-04-01), Suzuki et al.
patent: 2004/0162039 (2004-08-01), Marque-Pucheu
patent: 2004/0189378 (2004-09-01), Suzuki et al.
patent: 2004/0263254 (2004-12-01), Tahara et al.
patent: 2005/0064830 (2005-03-01), Grigore
patent: 2005/0122163 (2005-06-01), Chu
patent: 2005/0242880 (2005-11-01), Domokos et al.
patent: 2006/0001483 (2006-01-01), Cioffi et al.
patent: 2007/0096806 (2007-05-01), Sorrells et al.
patent: 0812064 (1997-12-01), None
patent: WO 9534128 (1995-12-01), None
“The Changing Face of Amplifier Design,” Nujira, [online] [Retrieved on Apr. 5, 2006] Retrieved from the Internet<URL:http://www.nujira.com/technology/>.
Fergus, T.J., “Edge Modulation—How Linearization Improves Amplifier Performance,” RFDesign, Oct. 2002, 7 pages.
“LF-2.7 GHz RF/IF Gain and Phase Detector, AD8302,” Analog Devices, Inc., 2002, [online] [Retrieved on Apr. 5, 2006] Retrieved from the Internet<URL:http://www.analog.com/UploadedFiles/Data—Sheets/797075782AD8302—a.pdf#search='AD8302'>.
McCune, Jr., E.W., “Direct Polar Modulation has the Right Stuff,” CommsDesign, Nov. 7, 2005, [online] [Retrieved on Apr. 5, 2006] Retrieved from the Internet <URL:http//www.commsdesign.com/showArticle.jhtm?articleID=173500205>.
Morgan, P., “Highly Integrated Transceiver Enables High-Volume Production of GSM/EDGE Handsets,”.
Silicon Laboratories, Inc., 2005, 6 pages, [online] [Retrieved on Apr. 5, 2006] Retrieved from the Internet<URL:http://www.silabs.com/public/documents/marcom—doc/mcoll/Wireless/Aero—RF—Transceivers/en/Aerolle—Overview.pdf>.
Raab, F. et al., “RF and Microwave Power Amplifier and Transmitter Technologies—Part 3,” High Frequency Electronics, Sep. 2003, pp. 34-48.
Raab, F. et al., “RF and Microwave Power Amplifier and Transmitter Technologies—Part 4,” High Frequency Electronics, Nov. 2003, pp. 38-49.
“SEQ5400—The World's First Single-Chip Wedge Transceiver,” Sequoia Communications, [online] [Retrieved on Apr. 5, 2006] Retrieved from the Internet<URL:http:www.sequoia-communications.com/SEQ5400Data—Sheet.pdf>.
Sowlati, T. et al., “Polar Loop Transmitter,” Skyworks™, [online] [Retrieved on Apr. 5, 2006] Retrieved from the Internet<URL:http://paworkshop.ucsd.edu/papers2004/S1—2Polar%20Loop%20Transmitter.ppt>.
Wilkins, B. et al., “Large Signal Polar Modulation Reduces Heat Dissipation and Increases Battery Life in EDGE Handsets” Feb. 2005, Microwave Product Digest, [online] [Retrieved on Apr. 5, 2006] Retrieved from the Internet<URL:http:www.mpdigest.com/Articles/2005/feb2005/rfmd/Default.htm>.
PCT International Search Report and Written Opinion, PCT/US08/61176, Aug. 21, 2008, 9 pages.

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