Cripps, Stephen Charles, Tasker, Paul, Clarke, A. L., Lees, Jonathan and Benedikt, Johannes 2009. On the continuity of high efficiency modes in linear RF power amplifiers. IEEE Microwave and Wireless Components Letters 19 (10) , pp. 665-667. 10.1109/LMWC.2009.2029754 |
Official URL: http://dx.doi.org/10.1109/LMWC.2009.2029754
Abstract
A novel formulation for the voltage waveforms in high efficiency linear power amplifiers is described. This formulation demonstrates that a constant optimum efficiency and output power can be obtained over a continuum of solutions by utilizing appropriate harmonic reactive impedance terminations. A specific example is confirmed experimentally. This new formulation has some important implications for the possibility of realizing broadband >10% high efficiency linear RF power amplifiers.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Engineering |
Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
Uncontrolled Keywords: | Amplifier modes; Class AB; Class J; high efficiency; load pull |
Publisher: | IEEE Microwave Theory and Techniques Society |
ISSN: | 1531-1309 |
Last Modified: | 04 Jun 2017 02:03 |
URI: | https://orca.cardiff.ac.uk/id/eprint/8047 |
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