WebJan 1, 2016 · Switched-capacitor power amplifiers (SCPAs) are employed to extend EER to a digitally modulated switching PA topology, achieving both high average efficiency and output power with superior linearity by precisely controlling the output voltage amplitude with switched-capacitor techniques [12], [13]. WebDownload scientific diagram Switches' network of the SCPA. from publication: RF Switched-Capacitor Power Amplifier Modeling Detailed state-space modeling and analysis of a class of RF switched ...
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WebMay 19, 2015 · A quadrature switched capacitor power amplifier in 65nm CMOS Abstract: This paper presents a quadrature switched-capacitor power amplifier (SCPA) that … Webpower amplifier (SCPA) that uses a dual-supply voltage, class-G architecture is implemented in 65nm CMOS. It implements signal envelope digital-to-analog conversion using switching functions controlled by digital logic to achieve superior efficiency and linearity at output power backoff. The SCPA delivers a peak (average) output power of can-am ryker rally
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Webciency, output power, and linearity are presented. Time-domain voltage and current waveforms are analytically obtained via the steady-state solution of the amplifier’s model equations. The out-put power of the fundamental and that of the harmonics, as well as the drain efficiency of the switched-capacitor power amplifier (SCPA) are derived. WebCapacitor Power Amplifier in 130nm CMOS. Wen Yuan and Jeffrey S. Walling. University of Utah, Salt Lake City, USA. 2 RFIC2016 Outline • Motivation ... SCPA: Power Dissipation ... WebMay 1, 2010 · The class-G SCPA achieves an improved power efficiency at the backoff output power level through the use of two power supply voltages. In addition, an enhanced class-G switching scheme is developed that uses both supply voltages simultaneously to achieve a higher linearity and efficiency. can am ryker radiator