Transmitter

Details Transmitter Transmitter

2008-02-26

2010-06-15

Kim, Kevin Y (Department: 2611)

Pulse or digital communications

Synchronizers

Phase displacement, slip or jitter correction

C332S127000

Reexamination Certificate

active

07738619

ABSTRACT:
Briefly, a transmitter that includes first and second fractional N synthesizers that may generate outphased modulated signals. First and second sigma-delta modulators may control the modulation of the first and second fractional N synthesizers.

REFERENCES:
patent: 3777275 (1973-12-01), Cox
patent: 4063199 (1977-12-01), Oursler, Jr.
patent: 4433312 (1984-02-01), Kahn
patent: 4439744 (1984-03-01), Kumar et al.
patent: 4965531 (1990-10-01), Riley
patent: 5012200 (1991-04-01), Meinzer
patent: 5264807 (1993-11-01), Okubo et al.
patent: 5295162 (1994-03-01), Zarembowitch
patent: 5302914 (1994-04-01), Arntz et al.
patent: 5345189 (1994-09-01), Hornak et al.
patent: 5420541 (1995-05-01), Upton et al.
patent: 5541554 (1996-07-01), Stengel et al.
patent: 5548246 (1996-08-01), Tamamoto et al.
patent: 5568094 (1996-10-01), Bowen et al.
patent: 5621351 (1997-04-01), Puri et al.
patent: 5661434 (1997-08-01), Brozovich et al.
patent: 5694093 (1997-12-01), DaSilva et al.
patent: 5724005 (1998-03-01), Chen et al.
patent: 5739723 (1998-04-01), Sigmon et al.
patent: 5758269 (1998-05-01), Wu
patent: 5786727 (1998-07-01), Sigmon
patent: 5786728 (1998-07-01), Alinikula
patent: 5854571 (1998-12-01), Pinckley et al.
patent: 5862460 (1999-01-01), Rich
patent: 5872481 (1999-02-01), Sevic et al.
patent: 5880633 (1999-03-01), Leizerovich et al.
patent: 5886575 (1999-03-01), Long
patent: 5901346 (1999-05-01), Stengel et al.
patent: 5903854 (1999-05-01), Abe et al.
patent: 5909643 (1999-06-01), Aihara
patent: 5929702 (1999-07-01), Myers et al.
patent: 5974041 (1999-10-01), Kornfeld et al.
patent: 6008703 (1999-12-01), Perrott et al.
patent: 6133788 (2000-10-01), Dent
patent: 6147653 (2000-11-01), Wallace et al.
patent: 6181920 (2001-01-01), Dent et al.
patent: 6201452 (2001-03-01), Dent et al.
patent: 6271782 (2001-08-01), Steensgaard-Madsen
patent: 6285251 (2001-09-01), Dent et al.
patent: 6330455 (2001-12-01), Ichihara
patent: 6480703 (2002-11-01), Calderone et al.
patent: 6587511 (2003-07-01), Barak et al.
patent: 6633199 (2003-10-01), Nielsen et al.
patent: 6636112 (2003-10-01), McCune
patent: 6754287 (2004-06-01), Underbrink et al.
patent: 6825719 (2004-11-01), Barak et al.
patent: 6888580 (2005-05-01), Dujmenovic
patent: 7002417 (2006-02-01), Maunuksela et al.
patent: 2001/0030581 (2001-10-01), Dent
patent: 2002/0136341 (2002-09-01), Huh et al.
patent: 2003/0125065 (2003-07-01), Hasson et al.
patent: 2003/0206056 (2003-11-01), Hietala
patent: 2004/0218699 (2004-11-01), Carsello
patent: WO99/52206 (1999-10-01), None
U.S. Appl. No. 10/131,750, filed Apr. 24, 2002, Barak et al.
D.C. Cox, “Linear Amplification with Nonlinear Components”, IEEE Transaction on Communications, Dec. 1974, pp. 1942-1945.
Frederick H. Raab, “Efficiency of Outphasing RF Power-Amplifier Systems”, IEEE Transactions on Communications. vol. Com-33, No. 10, Oct. 1985, pp. 1094-1099.
Zhang et al., “Multibit Oversample Sigma—Delta A/D Convertor with Nonuniform Quantisation”, Electronics Letters, Mar. 14, 1991, U.K., vol. 27, No. 6, pp. 528-529.
T.A. D. Riley and M. A. Copelang, “A simplified continuous phase modulator technique,” IEEE Trans. on circuits and systems, vol. 41, No. 5, pp. 321-328, May 1994.
D.L. Neuhoff, “Polar quantization revisited”, IEEE International Symposium on Information Theory, 1997 Proceedings, pp. 60, 1997.
N. O. Sokal, “RF Power Amplifiers, Classes A through S—How the operate, and when to us each”, Electronics Industries Forum of New England, Professional Program Proceedings, pp. 179-183, 1997.
M.H. Perrott, “Techniques for High Data Rate modulation and Low Power Operation of Fractional-N. Frequency Synthesizers”, Ph.D. Dissertaion, MIT, Sep. 1997, Retrieved from the Internet, URL:http://www-mtl.mit.edu/{perrott/pages/thesis.pdf/, pp. 1-90.
M.H. Perrot, T.L Tewksbury III, C.G. Sodini, “A 270-mW CMOS Fractional-N Synthesizer Using Digital Compensation for 2.5Mb/s GFSK Modulation”, IEEE Journal of Solid-State Circuits, vol. 32, No. 12, pp. 2048-2060, Dec. 1997.
J. Nieznanski, “Performance characterization of vector sigma-delta modulation”, IECON '98, Proceedings of the 24th Annual Conference of the IEEE, vol. 1, pp. 531-536, 1998.
N.M. Filiol, T.A. D. Riley, C. Plett and M.A. Copeland, “An agile ISM band frequency synthesizer with built-in GMSK data modulation,” IEEE Journal of Solid-State Circuits, vol. 33, No. 7, pp. 998-1008, Jul. 1998.
Steve C. Cripps, “RF Power Amplifiers for Wireless Communications”, 1999, USA, pp. 219-250.
S.A. Hetzel et al., “A LINC Transmitter”, University of Bristol, IEEE, 1999, pp. 133-137.
S.O. Ampem-Darko, H.S. Al-Raweshidy, “A Novel Technique for Gain/Phase Error Cancellation in LINC Transmitters”, 1999 IEEE, pp. 2034-2038.
Bob Stengel and William R. Eisenstadt, “LINC Power Amplifier Combined Method Efficiency Optimization”, IEEE Transaction on Vehicular Technology. vol. 49, No. 1, Jan. 2000, pp. 229-234.
B. Stengel, “LINC—Linear technology transmitter review,” International Microwave Symposium 2000, Jun. 2000, pp. 1-32.
T. Yamaji, A. Yasuda, H. Tanimot, Y. Suzuki, “A Digital-to-RF Converter Architecture Suitable for Digital-to-RF Direct-Conversion Software Defined Radio Transmitter”, IEICE Trans. Commun., vol. E83-B, No. 6, pp. 1254-1260, Jun. 2000.
Michael H. Perrott et al., “A Modeling Approach for Σ-Δ Fractional-N Frequency Synthesizers Allowing Straightforward Noise Analysis”, IEEE Journal of Solid-State Circuits, vol. 37, No. 8, Aug. 2002, pp. 1028-1038.

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