DocumentCode
2687976
Title
Broadbard and Broad Dynamic Range GaAs Dual-Gate MESFET Linearize for TWTA and SSPA Used in Satellite Transponder
Author
Kumar, M. ; Whartenby, J.C. ; Wolkstein, H.J.
fYear
1985
fDate
4-6 June 1985
Firstpage
609
Lastpage
612
Abstract
This paper presents a broadband predistortion technique using dual-gate FETs to linearize the Traveling Wave Tube Amplifiers (TWTA) and Solid State Power Amplifiers (SSPA) used in satellite transponders. The results for a linearized TWTA operating over 11.7-12.2 GHz and a linearized SSPA operating over 3.8-4.2 GHz are presented. The improvement in linearity has been achieved over a broad dynamic range of output power.
Keywords
Broadband amplifiers; Dynamic range; FETs; Gallium arsenide; MESFETs; Power amplifiers; Predistortion; Satellites; Solid state circuits; Transponders;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Symposium Digest, 1985 IEEE MTT-S International
Conference_Location
St. Louis, MO, USA
ISSN
0149-645X
Type
conf
DOI
10.1109/MWSYM.1985.1132053
Filename
1132053
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