A CMOS Transponder IC Using a New Damping Circuit
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概要
- 論文の詳細を見る
This paper describes a CMOS transponder IC for REID applications. A full-wave rectifier implemented using NMOS transistors supplies the transponder with a dc supply voltage. A 64-bit ROM has been designed for a data memory. Front-end impedance modulation and Manchester coding are used for transmitting the data from the transponder memory to the reader. A new damping circuit has been proposed and employed for impedance modulation. The designed circuit has been fabricated using a 0.65 μm 2-poly, 2-metal CMOS process. Measurement results show that it has a constant damping rate of around 20-25% and a data transmission rate of 3.9 kbps at a 125 kHz RF carrier. Die area is 0.9 mm × 0.4 mm. The measured reading distance is up to 7cm.
- 社団法人電子情報通信学会の論文
- 2002-06-01
著者
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Oh Won-Seok
System IC Research Center, Korea Electronics Technology Institute
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Oh Won-seok
System Ic Research Center Keti Kyunggi-do
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Yu Chong-gun
Department Of Electronics Engineering University Of Incheon
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PARK Jong-Tae
Department of Preventive Medicine, School of Medicine, Korea University
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Park J‐t
Department Of Electronics Engineering University Of Incheon
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Park Jong-tae
Department Of Electronics Engineering University Of Inchon
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