Outphasing modulator

Details Outphasing modulator Outphasing modulator

2006-03-07

2006-03-07

Shingleton, Michael B (Department: 2817)

Amplifiers

Modulator-demodulator-type amplifier

C330S107000, C330S149000, C330S052000, C332S144000

Reexamination Certificate

active

07009447

ABSTRACT:
Briefly, an apparatus having an outphasing modulator that may provide at least first and second outphased signals to a power amplifier. The outphasing modulator may control amplitude of the first and second outphased signals by an amplitude modulation controller which may vary an amplitude level of first and second control signals base on a desired output power level of said power amplifier.

REFERENCES:
patent: 3170127 (1965-02-01), Cramer
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patent: 5901346 (1999-05-01), Stengel et al.
patent: 5990734 (1999-11-01), Wright et al.
patent: 6690233 (2004-02-01), Sander
patent: 2005/0110590 (2005-05-01), Korol
patent: WO 03/047093 (2003-06-01), None
IEEE Standard Dictionary of Electrical and Electronics Terms Third Edition Dec. 13, 1984 p. 169.
Bo Shi et al., “An IF CMOS signal component separator chip for LINC transmitters”, Proceedings of the IEEE 2001 custom integrated circuits conference, San Diego, CA, USA, May 6-9, 2001, IEEE, US, vol. CONF. 23, May 6, 2001, pp. 49-52.
Copy of PCT Search Report for PCT/US2004/036332, mailed Mar. 11, 2005.

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