A switched-capacitor power amplifier for EER/polar transmitters

A switched-capacitor power amplifier for EER/polar transmitters

This paper introduces an EER 90 nm CMOS experimental prototype switched capacitor power amplifier (SCPA) that achieves high output power, efficiency and linear output-power control using a switched-capacitor-based switching PA without the use of a supply modulator. While amplifying 64-QAM OFDM modul...

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Bibliographische Detailangaben
Hauptverfasser: Sang-Min Yoo, Walling, J S, Eum Chan Woo, Allstot, D J
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Capacitors
CMOS integrated circuits
Linearity
Modulation
Power amplifiers
Power generation
Switches
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Beschreibung
Zusammenfassung:This paper introduces an EER 90 nm CMOS experimental prototype switched capacitor power amplifier (SCPA) that achieves high output power, efficiency and linear output-power control using a switched-capacitor-based switching PA without the use of a supply modulator. While amplifying 64-QAM OFDM modulation with a 20 MHz signal bandwidth it achieves an average output power of 17.7 dBm, an average PAE of 32.1%, and an EVM of 2.9%.
ISSN:0193-6530
2376-8606
DOI:10.1109/ISSCC.2011.5746382