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ARTICLES

HARMONIC TUNING OF POWER TRANSISTORS BY ACTIVE LOAD-PULL MEASUREMENT

A powerful and affordable tool for nonlinear on-wafer measurements in the 0.5 to 18 GHz frequency range that is useful for designing high efficiency power amplifiers for mobile communications
P. Heymann, R. Doerner and M. Rudolph
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TECHNICAL FEATURE HARMONIC TUNING OF POWER TRANSISTORS BY ACTIVE LOAD-PULL MEASUREMENT Abstract: A nonlinear network analyzer combined with an active multiharmonic load-pull system is described. Data acquisition uses an HP 71500 microwave transition analyzer (MTA) and force/sense bias supplies. Complete tuning and monitoring of the incoming and outgoing signals...
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