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A study of the effect of envelope impedance on intermodulation asymmetry using a two-tone time domain measurement system

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3 Author(s)
Williams, D.J. ; Cardiff Sch. of Eng., Cardiff Univ., UK ; Leckey, J. ; Tasker, P.J.

An error corrected two-tone time domain measurement system has been developed and combined with a low frequency active source and load-pull system to investigate the effects of all impedance terminations, IF and RF, on the linearity and efficiency of power transistors. Measured data is presented on a HBT biased in class B stimulated by-a two-tone signal while actively load pulling the low frequency IF component.

Published in:

Microwave Symposium Digest, 2002 IEEE MTT-S International  (Volume:3 )

Date of Conference:

2-7 June 2002