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A 5.9mW 50Mbps CMOS QPSK/O-QPSK transmitter employing injection locking for direct modulation

  • Shengxi Diao*
  • , Yuanjin Zheng
  • , Yuan Gao
  • , Xiaojun Yuan
  • , Minkyu Je
  • , Chun Huat Heng
  • *此作品的通讯作者
  • Agency for Science, Technology and Research, Singapore
  • National University of Singapore

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

A 900MHz QPSK/O-QPSK transmitter suitable for biomedical high quality imaging application is presented. The phase modulation is achieved by directly modifying the self-resonant frequency of a sub-harmonic injection-locked oscillator through capacitor bank switching. Due to the simplicity of the proposed architecture, implemented in 0.18μm CMOS technology, it consumes very low power of 3mW and 5.88mW with 1.2V and 1.4V supply voltages respectively, while transmitting at 50Mbps data rate. The transmitter can deliver output power of -3.3dBm at 1.4V supply with an EVM of 6.6%.

源语言英语
主期刊名2010 IEEE Asian Solid-State Circuits Conference, A-SSCC 2010
37-40
页数4
DOI
出版状态已出版 - 2010
已对外发布
活动2010 6th IEEE Asian Solid-State Circuits Conference, A-SSCC 2010 - Beijing, 中国
期限: 8 11月 201010 11月 2010

出版系列

姓名2010 IEEE Asian Solid-State Circuits Conference, A-SSCC 2010

会议

会议2010 6th IEEE Asian Solid-State Circuits Conference, A-SSCC 2010
国家/地区中国
Beijing
时期8/11/1010/11/10

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