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A CMOS power amplifier for a UHF RFID reader

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5 Author(s)
Younsuk Kim ; Dept. of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology (KAIST), 373-1, Daejeon 305-701, South Korea ; Jeonghu Han ; Dongho Lee ; Changkun Park
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A CMOS power amplifier for an RFID reader, which is implemented in a 0.18 mum CMOS process, is designed on a system IC, including output matching circuits. The developed amplifier has an efficiency of 27 % at 900 MHz and an output power of 24 dBm with a supply voltage of 1.8 V. In addition, it is isolated with shielding metal lines and is ESD protected. Furthermore, it is robust to high supply voltages and load impedance variations.

Published in:

2006 Asia-Pacific Microwave Conference

Date of Conference:

12-15 Dec. 2006