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Design and Implementation of Voltage Control Oscillator for Wireless Communication Applications
|關鍵字:||電感電容壓控振盪器;LC VCOs||出版社:||電機工程學系所||引用:|| S.-M. Oh, C.W. Kim, and S.-G. Lee, “A 74%, 1.56-2.71 GHz, wide-tunable LC-tuned VCO in 0.35-μm CMOS technology,” Microwave and Optical Technology Letters, vol. 37, pp.98-100, April, 2003.  A. M. Niknejad, “Multi-mode and wideband VCO design,” RFIC, 2003.  Nathan Sneed, “A 2-GHz CMOS LC-tuned VCO using switched-capacitors to compensate for Bondwire inductance variation,” Master Thesis, University of California, Berkeley, Dec, 2000.  F. Herzel, H. Erzgraber, and N. Ilkov, “A new approach to fully integrated CMOS LC-oscillators with a very large tuning range,” IEEE Custom Integrated Circuits Conference, pp. 573-576, 2000.  F. Herzel, H. Erzgraber, and P. Weger, “Integrated CMOS wideband oscillator for RF applications,” Electronics Letters, vol. 37, March, 2001.  A.Kral, F. Behbahani, and A. A. Abidi, “RF-CMOS oscillators with switched tuning,” IEEE Custom Integrated Circuits Conference, pp.555-558, 1998.  P. Andreani, A. Bonfanti, L. 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Aeok-Ju Yun; So-Bong Shin; Hyung-Chul Choi; Sang-Gug Lee; “A 1mW current-reuse CMOS differential LC-VCO with low phase noise,” Solid-State Circuits Conference, 2005. Digest of Technical Papers. ISSCC. 2005 IEEE International 6-10 Feb. 2005 Page(s):540 - 616 Vol. 1  B. Razavi, “RF Microelectronics,”2003  台灣大學沈致賢, “壓控振盪器之設計與實作,” 2003.  復旦大學唐長文, ”電感電容壓控振盪器,“ 2004.  B. Razavi, “Design of Integrated Circuits for Optical Communications,”2002.  大同大學陳建樺, “雙頻段2.4/5.2Ghz壓控振盪器設計,” 2003.||摘要:||
最後，針對射頻(Radio Frequency)之頻段，我們使用TSMC 0.18um CMOS標準製程來實現本論文中3個VCO電路。第一個電路為頻率5.2GHz結合相位雜訊降低技術與自行設計之元件的壓控振盪器，第二個電路為頻率5.2GHz使用Cascode耦合方式產生四相位的壓控振盪器以及最後一個為使用切換電感的雙頻段2.4/5.2GHz壓控振盪器電路。
In this thesis, the theory and implementation of LC VCOs are studied. First, a brief introduction on oscillator theory and class is described. Secondly, two behavior models are described to analyze the phase noise, these models explains the thermal and flicker noise contributing to the phase noise of the VCO. Based on the knowledge of phase noise theory, the optimization approaches are used to design excellent VCO performance.
Finally, focus on the band of the Radio Frequency, the TSMC 0.18um CMOS process is adopted to implement the VCO design. These VCOs are fabricated and have following characteristics, one VCO uses lowering phase-noise techniques and combine the component designed by myself. Another VCO adapts cascode coupling method to generate quadrature phases. The other VCO uses switching inductor to construct 2.4/5.2GHz dual-band application.
|Appears in Collections:||電機工程學系所|
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