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A wideband VCO with constant tuning-gain and uniform sub-band interval for single-chip UHF RFID reader

  • East China Normal University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

A novel VCO with constant tuning-gain and uniform sub-band interval is presented in this paper for single-chip UHF RFID reader application. An optimized calculation method is proposed to attain the accurate capacitor ratio for digital-controlled capacitor array units. The resistor-biased switched-capacitor structure is used to achieve large frequency range and optimized phase noise performance. The circuit is realized in 0.18μm CMOS process and the simulation results show that the VCO features a tuning-gain from 46.8 to 50.7MHz/V with ±4% variation and a sub-band interval from 47 to 49 MHz with ±2% variation for frequencies from 3.23 to 4.03GHz and phase noise of -128.5dBc/Hz at 1MHz offset from 3.6GHz carrier. The whole circuit consumes 5.9mA from a 3.3 V to 2.5 V LDO-biased power supply.

源语言英语
主期刊名Proceedings - 2015 IEEE 11th International Conference on ASIC, ASICON 2015
编辑Junyan Ren, Ting-Ao Tang, Fan Ye, Huihua Yu
出版商Institute of Electrical and Electronics Engineers Inc.
ISBN(电子版)9781479984831
DOI
出版状态已出版 - 21 7月 2016
活动11th IEEE International Conference on Advanced Semiconductor Integrated Circuits (ASIC), ASICON 2015 - Chengdu, 中国
期限: 3 11月 20156 11月 2015

出版系列

姓名Proceedings - 2015 IEEE 11th International Conference on ASIC, ASICON 2015

会议

会议11th IEEE International Conference on Advanced Semiconductor Integrated Circuits (ASIC), ASICON 2015
国家/地区中国
Chengdu
时期3/11/156/11/15

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