A 2 GHz, 0.25 μM CMOS Complementary VCO With differentially tuned MOS varactors for wireless applications

H. T. Lin, Y. K. Chu, H. R. Chuang

研究成果: Article

1 引文 斯高帕斯(Scopus)

摘要

The working of a 2 GHz CMOS complementary voltage-controlled oscillator (VCO) with differentially tuned MOS varactors which is employed for ISM-band wireless communications applications is described. This VCO can reduce the adverse effect of high varactor sensitivity by rejecting the common-mode noise and its output frequency varies from 1827 to 2136 MHz with a 309 MHz or 16% tuning range. A high varactor sensitivity is unfavorable to phase noise performance where a band-switching topology can be employed to reduce its effect while maintaining the required frequency tuning range. The VCO has demonstrated that differentially tuned varactors can provide a wide tuning range and reject the common-mode noise.

原文English
頁面94-102
頁數9
49
4
專業出版物Microwave Journal
出版狀態Published - 2006 四月 1

All Science Journal Classification (ASJC) codes

  • 電氣與電子工程

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