2.4 GHz Wide-Tuning VCO Using Switchable IMOS-Based Varactor in 180-nm CMOS

Bo Han Lee, Yi Yuang Lin, Tzuen Hsi Huang

研究成果: Conference contribution

摘要

This paper presents an LC voltage-controlled oscillator (VCO) design which utilizes a set of Inversion-MOS (IMOS)-based varactors. The varactor set is switchable by using a transmission gate such that the tuning range can be extended. The proposed VCO is designed, implemented, and fully evaluated on the wafer in 180-nm CMOS technology. The experimental results show that the VCO has a tuning range of 18.6% from 2.15 to 2.59 GHz. The measured FOMT of-185.2 and-183.2dBc/Hz is achieved when the switches are turned on and off, respectively. The VCO core consumes 6. S9mA at the supply voltage of 1.8V, including the bias current of the IMOS-based varactor set.

原文English
主出版物標題2021 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2021
發行者Institute of Electrical and Electronics Engineers Inc.
ISBN(電子)9781665433914
DOIs
出版狀態Published - 2021 八月 25
事件2021 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2021 - Hualien, Taiwan
持續時間: 2021 八月 252021 八月 27

出版系列

名字2021 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2021

Conference

Conference2021 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2021
國家/地區Taiwan
城市Hualien
期間21-08-2521-08-27

All Science Journal Classification (ASJC) codes

  • 電腦網路與通信
  • 電氣與電子工程
  • 儀器

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