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High-efficiency microwave BJT power amplifier simulation

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4 Author(s)
Rudiakova, A.N. ; Radio Phys. Dept., Donetsk State Univ., Ukraine ; Rassokhina, J.V. ; Kazimierczuk, M.K. ; Krizhanovski, V.G.

Simulation results of a Siemens BFP490 BJT power amplifier for a frequency range 8-11 GHz are presented. It was shown that the output network input impedance is inductive and the collector current is negative during a part of the AC cycle, when the amplifier operates in high-efficiency mode.

Published in:

Circuits and Systems, 2002. ISCAS 2002. IEEE International Symposium on  (Volume:5 )

Date of Conference:

2002