0.4–3.0 GHz highly efficient harmonic-tuned power amplifier


An optimisation-based method is proposed for the look of highly economical harmonic tuned-power amplifier (HT-PA) with multi-octave bandwidth. The distributed basic matching cell with L-type structure is utilised to construct the broadband matching network, whose topology and parameters are determined through optimisation. To validate the proposed technique, a 0.4–3.0 GHz HT-PA is implemented and the ability added potency of 53–seventy twopercent, output power of additional than 40 dBm and ten–twelve dB gain are achieved across the frequency band. When tested with twenty MHz long-term-evolution advanced signals, the broadband HT-PA shows regarding –30 dBc adjacent channel leakage ratio at about thirty six dBm average output power, with drain potency beyond 36p.c.

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