Octave Band Linear MMIC Amplifier With+40-dBm OIP3 for High-Reliability Space Applications
Artikel i vetenskaplig tidskrift, 2016

A systematic design procedure for highly linear and reliable amplifiers is proposed. The procedure deals with non-linear modeling, junction temperature prediction methods, and circuit design techniques. A wideband linear monolithic microwave integrated circuit power amplifier based on a space-qualified GaAs process for C-band and extended C-band multicarrier satellite transponder is reported and described. The amplifier uses a bus-bar combiner in the power stage reaching an output power of 26.7 dBm at 1-dB compression point, with a small signal gain above 25 dB in the operation band between 3 and 6 GHz. The output third-order intercept point reaches levels above 40 dBm. The design ensures high reliability keeping the junction temperature below 112 degrees C.

junction temperature

power amplifier

high linearity

monolithic microwave integrated circuit (MMIC)

nonlinear modeling


Bus-bar combiner


Oliver Silva Barrera

Chalmers, Mikroteknologi och nanovetenskap, Mikrovågselektronik

Iltcho Angelov

Chalmers, Mikroteknologi och nanovetenskap, Mikrovågselektronik

Herbert Zirath

Chalmers, Mikroteknologi och nanovetenskap, Mikrovågselektronik

IEEE Transactions on Microwave Theory and Techniques

0018-9480 (ISSN) 15579670 (eISSN)

Vol. 64 7 2059-2067 7490370


Elektroteknik och elektronik



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