Title :
Nonlinear characterization of microwave power amplifiers with supply modulation
Author :
Gibiino, Gian Piero ; Avolio, Gustavo ; Schreurs, Dominique ; Santarelli, Alberto
Author_Institution :
DEI “Guglielmo Marconi”, Univ. of Bologna, Bologna, Italy
Abstract :
In this paper, we perform a simultaneous low- and high-frequency characterization of a microwave power amplifier (PA) circuit under dynamic biasing conditions. Particular attention is paid to the drain bias port characterization and the effects of the dynamic biasing on the radio-frequency (RF) behavior of the PA under test. Experimental results are obtained in order to evaluate the long-term memory effects and the LF-to-RF conversion function, providing an innovative approach for characterizing supply modulated PAs.
Keywords :
microwave power amplifiers; modulation; LF-to-RF conversion function; drain bias port characterization; dynamic biasing; long-term memory effects; microwave power amplifiers; supply modulation; Frequency measurement; Impedance; Microwave amplifiers; Microwave circuits; Modulation; Power amplifiers; Radio frequency; Large-signal measurements; power amplifier characterization; supply modulation;
Conference_Titel :
Integrated Nonlinear Microwave and Millimetre-wave Circuits (INMMiC), 2014 International Workshop on
Conference_Location :
Leuven
DOI :
10.1109/INMMIC.2014.6815098