DocumentCode
2102758
Title
Trade off analysis between power-added efficiency and linearity on HBT power amplifier
Author
Pinatel, C. ; Vuye, S. ; Riet, M. ; Dubon-Chevalier, C ; Rojat, B ; Lermoyer, A
Volume
1
fYear
1995
fDate
4-4 Sept. 1995
Firstpage
20
Lastpage
23
Abstract
Different HBT operating classes have been compared in terms of output power and power-added efficiency using a simulated multiharmonic load-pull type optimization and also in term of linearty measured on hybrid modules. A fully automatic test bench has been developed in order to perform linearity measurements among which Bit Error Rate (BER) and speetrum side lobe level for a QPSK signal. The best results were obtained on the class AB hybrid amplifier with output power of 1 W, 50% PAE at 1.8 GHz.
Keywords
Automatic testing; Bit error rate; Brain modeling; Heterojunction bipolar transistors; Linearity; Performance evaluation; Power amplifiers; Power generation; Power measurement; Quadrature phase shift keying;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Conference, 1995. 25th European
Conference_Location
Bologna, Italy
Type
conf
DOI
10.1109/EUMA.1995.336909
Filename
4137121
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