標題: The Design of Double-Positive-Feedback Voltage-Controlled Oscillator
作者: Huang, Zue-Der
Wu, Chung-Yu
電子工程學系及電子研究所
Department of Electronics Engineering and Institute of Electronics
關鍵字: Colpitts;double-positive-feedback voltage-controlled oscillator (DPF-VCO);negative resistance;phase noise
公開日期: 1-Jul-2011
摘要: A 24 GHz 1.4-mW double-positive-feedback voltage-controlled oscillator (DPF-VCO) has been designed and realized in a 0.13 mu m CMOS process. In the proposed DPF-VCO, the concept of double positive feedback loops is adopted to enhance the VCO performance and the current-mode output technique is used to obtain the output current signal. The fabricated DPF-VCO consumes only 0.78 mA, 0.97 mA, and 1.17 mA under the supply voltage of 1, 1.1, and 1.2 V, respectively, and the corresponding measured phase noise is -104 dBc/Hz, -112 dBc/Hz, and -115 dBc/Hz, at 1 MHz offset frequency. The best FOM of the proposed DPF-VCO is -201 dBc/Hz.
URI: http://dx.doi.org/10.1109/LMWC.2011.2156776
http://hdl.handle.net/11536/21826
ISSN: 1531-1309
DOI: 10.1109/LMWC.2011.2156776
期刊: IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
Volume: 21
Issue: 7
起始頁: 386
結束頁: 388
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