Title :
Active load pull with fourth harmonic tuning based on an IQ modulator concept
Author :
Bunz, Bemd ; Kompa, Günter
Author_Institution :
student member, IEEE, University of Kassel, Fachgebiet Hochfrequenztechnik, Wilhelmshöher Allee 73, D-34121 Kassel, Germany, Tel: +49-561-804-6535, Fax: -6529
Abstract :
This paper presents on wafermeasurements of a transistor optimised for linear amplifier operation with for the first time 4th harmonic load pull variations. Results show that the termination of the 4th harmonic has nonnegligible influence on the performance of an FET.
Keywords :
Impedance; Microwave measurements; Operational amplifiers; Performance evaluation; Power amplifiers; Power generation; Power measurement; Power system harmonics; Radio frequency; Radiofrequency amplifiers;
Conference_Titel :
Microwave Conference, 2003 33rd European
Conference_Location :
Munich, Germany
Print_ISBN :
1-58053-834-7
DOI :
10.1109/EUMA.2003.340964
