A low cost integrated transceiver for mobile UHF passive RFID reader applications

被引：3
作者：
Wang Jingchao [1 ]
Zhang Chun [1 ]
Chi Baoyong [1 ]
Wang Ziqiang [1 ]
Li Fule [1 ]
Wang Zhihua [1 ]
机构：
[1] Tsinghua Univ, Inst Microelect, Beijing 100084, Peoples R China
来源：
JOURNAL OF SEMICONDUCTORS | 2009年 / 30卷 / 09期
基金：
国家高技术研究发展计划(863计划);
关键词：
UHF RFID; reader; single chip; transceiver;
D O I：
10.1088/1674-4926/30/9/095007
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A low cost integrated transceiver for mobile UHF passive RFID reader applications is implemented in a 0.18-mu m CMOS process. The transceiver contains an OOK modulator and a power amplifier in the transmitter chain, an IQ direct-down converter, variable-gain amplifiers, channel-select filters and a 10-bit ADC in the receiver chain. The measured output P-1dB power of the transmitter is 17.6 dBm and the measured receiver sensitivity is -70 dBm. The on-chip integer N synthesizer achieves a frequency resolution of 200 kHz with a phase noise of -104 dBc/Hz at 100 kHz frequency offset and -120.83 dBc/Hz at 1 MHz frequency offset. The transmitter, the receiver and the frequency synthesizer consume 201.34, 25.3 and 54 mW, respectively. The chip has a die area of 4 x 2 5 mm2 including pads.
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页数：5
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