Doherty linear power amplifiers for mobile handset applications

Proceedings - 2007 IEEE Radio and Wireless Symposium, RWS

Volumn , Issue , 2007, Pages 301-304

  Kim, Bumman ^a   Nam, Joongjin ^a   Yu, Daekyu ^a  

^a Pohang University of Science and Technology (POSTECH)   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

HETEROJUNCTION BIPOLAR TRANSISTORS; MICROPROCESSOR CHIPS; MOBILE PHONES; ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING; QUADRATURE AMPLITUDE MODULATION; SEMICONDUCTING GALLIUM ARSENIDE;

DOHERTY AMPLIFIERS; ERROR VECTOR MAGNITUDE; OUTPUT POWER; POWER-ADDED EFFICIENCY;

POWER AMPLIFIERS;

EID: 34548126550     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/RWS.2007.351828     Document Type: Conference Paper

References (8)

1. S. C. Cripps, RF Power amplifier for Wireless Communications, Artech House 1999.
2. W. H. Doherty, "A New High Efficiency Power Amplifier for Modulated Waves," Proceedings of the Institute of Radio Engineers, Vol. 24, No. 9, pp.1163-1182, Sept., 1936.
3. Joongjin Nam, Jin-Ho Shin, and Bumman Kim, "A Handset power amplifier with High Efficiency at a Low Level using Load Modulation Technique," IEEE Trans. Microwave Theory Tech, Vol. 53, No. 8, pp. 2639 - 2644, Aug., 2005.
4. J. Nam, Y. Kim, J. Shin, and B. Kim, "A CDMA and AMPS Handset Power Amplifier based on Load Modulation Technique," Proc. 34th European Microwave Conf. digest, Amsterdam, Netherlands, EuMC2004, pp.329-332, Oct. 2004.
5. D. Yu, Y. Kim, K. Han, J. H. Shin, and B. Kim, "Fully Integrated Doherty Power Amplifiers for 5.2 GHz Wireless-LANs," 2006 RFIC Symposium, San Francisco, Calif.
6. M. Iwamoto, A. Williams, P. Chen, A. Metzgenn, C. Wang, L. E. Larson, and P. M. Asbeck, "An Extended Doherty Amplifier with High Efficiency Over a wide Power Range," 2001 IEEE MTT-S Digest, Vol.2, pp931-934, May., 2001.
7. C. P. Campbell, "A Fully Integrated Ku-Band Doherty Amplifier MMIC," IEEE Microwave and Guided Wave Letters, Vol. 9, No.3, 1999.
8. J. Kim, J. Cha, I. Kim, and B. Kim, "Optimum Operation of Asymmetrical-Cells-Based Linear Doherty Power Amplifiers Uneven Power Drive and Power Matching," IEEE Trans. microwave Theory Tech, vol. 53, no. 5, pp. 1802-1809, May 2005.