Journal
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
Volume 39, Issue 1, Pages 67-70Publisher
JOHN WILEY & SONS INC
DOI: 10.1002/mop.11129
Keywords
HEMT amplifier; intermodulation distortion; amplifier linearity
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In this paper, a low-voltage high-linearity sweet-spot, associated with an adjustable transconductance, is proposed for implementing a simple and highly linear HEMT-based gain control strategy. The proposed approach, based on a selective gate and drain biasing technique, is compared with the conventional solution under two-tone and multitone excitations. (C) 2003 Wiley Periodicals, Inc.
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