DocumentCode
1858115
Title
High efficiency power amplifier design using a simplified approach
Author
Ng, T.H. ; Ooi, B.-L. ; Leong, M.S. ; Ma, J.Y. ; Ong, H.S. ; Chew, S.T.
Author_Institution
Nat. Univ. of Singapore, Singapore
Volume
3
fYear
1999
fDate
1999
Firstpage
650
Abstract
A high efficiency power amplifier is implemented using a simplified design method. The approach utilizes small signal S-parameter data only. A high efficiency power amplifier with a maximum power added efficiency of 68.8 %, a nominal power gain of 8.6 dB and 21 dBm output power at 7.5 GHz was implemented. The high efficiency performance is obtained from proper selection of the second harmonic termination for a class AB power amplifier
Keywords
S-parameters; equivalent circuits; impedance matching; microwave power amplifiers; 68.8 percent; 7.5 GHz; 8.6 dB; biasing condition; class AB power amplifier; high efficiency power amplifier; second harmonic termination selection; simplified design method; small signal S-parameter data; Calibration; Circuit testing; Design methodology; Fixtures; Gain; High power amplifiers; MESFETs; Power amplifiers; Power system harmonics; Scattering parameters;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Conference, 1999 Asia Pacific
Print_ISBN
0-7803-5761-2
Type
conf
DOI
10.1109/APMC.1999.833675
Filename
833675
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