Transmission circuit and communication device

Details Transmission circuit and communication device Transmission circuit and communication device

2007-06-21

2010-06-08

Urban, Edward (Department: 2618)

Telecommunications

Transmitter

Power control, power supply, or bias voltage supply

C455S091000, C455S095000, C455S127200, C455S108000, C455S110000, C455S114300, C375S300000, C375S302000, C375S295000, C375S296000, C375S297000, C330S149000, C330S135000, C330S125000, C330S136000, C330S254000

Reexamination Certificate

active

07734263

ABSTRACT:
A transmission circuit operates with high efficiency and low distortion. An amplitude and phase extraction section extracts amplitude data and phase data from input data. A phase modulation section phase-modulates the phase data to output a resultant signal as a phase-modulated signal. An amplifier section amplifies the phase-modulated signal to output a resultant signal as a transmission signal. An amplitude control section supplies, to the amplifier section, a voltage controlled in accordance with an AC component represented by a fluctuation component of the amplitude data and a DC component represented by an average value level of the fluctuation component of the amplitude data.

REFERENCES:
patent: 2004/0240583 (2004-12-01), Rauh et al.
patent: 2005/0254597 (2005-11-01), Bright
patent: 2006/0009169 (2006-01-01), Arayashiki
patent: 2006/0068697 (2006-03-01), Tanabe et al.
patent: 2004-173249 (2004-06-01), None
patent: 2004-266351 (2004-09-01), None
patent: 2005-528842 (2005-09-01), None
patent: 2006-140911 (2006-06-01), None
patent: 03/103162 (2003-12-01), None
International Search Report (PCT/ISA/220), PCT/JP2007/062498, mailed Aug. 21, 2007, 3 pp.

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