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- W2912462031 abstract "Reconfigurable RF power amplifiers (RF PA) is a very active area of research because of its potential to maximize the utility of a single transistor for different applications with different performance requirements. In this paper, we present a mode-reconfigurable RF PA design with the mode set by tuning the transistor bias and independently controlling the fundamental and second harmonic output impedances using varactors. The design was demonstrated to be able to tune between a Linear mode (LM) and a High-Efficiency Mode (HEM). Hardware measurements at 940 MHz showed that the fabricated PA at LM has better linearity with higher $mathbf{P}_{pmb{1text{dB}}}$ of 37.2 dBm, with −10.6 to −25.6 dB IMD3 improvement than at HEM. At HEM, the PAis significantly more efficient than at LM for output power less than 36.7 dBm, with up to 25.5% PAE improvement, and a 62.2% peak PAE at 36.7 dBm, compared to 48.5% peak PAE at 38.9 dBm for LM." @default.
- W2912462031 created "2019-02-21" @default.
- W2912462031 creator A5055794508 @default.
- W2912462031 creator A5076814828 @default.
- W2912462031 date "2018-11-01" @default.
- W2912462031 modified "2023-09-26" @default.
- W2912462031 title "Mode-Reconfigurable RF Power Amplifier with Independently Controllable Fundamental and Second Harmonic Output Impedances" @default.
- W2912462031 doi "https://doi.org/10.23919/apmc.2018.8617430" @default.
- W2912462031 hasPublicationYear "2018" @default.
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