Wide-Bandwidth and High-Linearity Envelope- Tracking Front-End Module for LTE-A Carrier Aggregation Applications

The envelope-tracking front-end module (ETFEM) consisting of an envelope-tracking supply modulator (ETSM), a dual-power-mode power amplifier (PA), and a single-poledouble-throw (SPDT) switch is proposed for the Long-Term Evolution-Advanced (LTE-A) intraband carrier aggregation (CA) signal. The linea...

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Veröffentlicht in:	IEEE transactions on microwave theory and techniques 2017-11, Vol.65 (11), p.4657-4668
Hauptverfasser:	Tsai, Wei-Ting, Liou, Chong-Yi, Peng, Zheng-An, Mao, Shau-Gang
Format:	Artikel
Sprache:	eng
Schlagworte:	Agglomeration Bandwidths Crossovers Envelope-tracking power amplifier (ETPA) envelope-tracking supply modulator (ETSM) front-end module (FEM) Linearity Long-Term Evolution-Advanced (LTE-A) carrier aggregation (CA) Modulation Modules Power amplifiers Power loss Radio frequency switch Switches Switching circuits Tracking Transistors Wideband
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