CMOS RF Power Amplifier for UHF Stationary RFID Reader

A CMOS power amplifier (PA) for a UHF (860-960 MHz) stationary RFID reader is presented. To design a high power and power efficient CMOS PA, quasi four pair structure and integrated passive device (IPD) transformers are used. An amplitude modulation is performed through the cascode gate with a pulse...

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Veröffentlicht in:	IEEE microwave and wireless components letters 2010-02, Vol.20 (2), p.106-108
Hauptverfasser:	JOO, Taehwan, LEE, Hongtak, SHIM, Sunbo, HONG, Songcheol
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplifiers Amplitude modulation Applied sciences Circuit properties Class-E CMOS CMOS process CMOS RF power amplifier Design. Technologies. Operation analysis. Testing Electric potential Electric, optical and optoelectronic circuits Electronic circuits Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Exact sciences and technology Filters Integrated circuits integrated passive device (IPD) Microwaves Power amplifiers Pulse amplifiers Pulse shaping methods quasi four pair Radio frequency Radio frequency identification Radiofrequency amplifiers Radiofrequency identification Radiolocalization and radionavigation Readers Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices stationary RFID reader Telecommunications Telecommunications and information theory Transformers UHF Voltage
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Beschreibung
Zusammenfassung:	A CMOS power amplifier (PA) for a UHF (860-960 MHz) stationary RFID reader is presented. To design a high power and power efficient CMOS PA, quasi four pair structure and integrated passive device (IPD) transformers are used. An amplitude modulation is performed through the cascode gate with a pulse shaping filter. The chips are fabricated in a 0.18 ¿m CMOS process and IPD. Measurements show output power of 32.8-33.37 dBm and the power added efficiency (PAE) of 51.8-56.1% with the supply voltage 3.0 V.
ISSN:	1531-1309 2771-957X 1558-1764 2771-9588
DOI:	10.1109/LMWC.2009.2038552