Comparing Harmonic Load Pull Techniques With Regards to

Three harmonic load pull techniques are compared for optimizing power-added efficiency. A Fujitsu FLL351ME device is used at 1.9 GHz along with Focus iCCMT, iPHT and iMPT electromechanical tuners. As long as the tuning range limitations of the triplexer solution are disregarded, the three methods of harmonic tuning: Triplexer method, Harmonic Rejection Tuner (PHT) method, Multi-Purpose Multi-Frequency method, give nearly-identical results.
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