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A Novel Methodology for the Design of LC Tank VCO with Low Phase Noise

A Novel Methodology for the Design of LC Tank VCO with Low Phase Noise. 系所 : 彰化師大積體研究所 指導教授 : 林志明 所長 學生 : 許晉榕. Lin Jia; Jian-Guo Ma; Kiat Seng Yeo; Manh Anh Do Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on. outline. lntroduction

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A Novel Methodology for the Design of LC Tank VCO with Low Phase Noise

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  1. A Novel Methodology for the Design of LC Tank VCO with Low Phase Noise 系所:彰化師大積體研究所 指導教授:林志明 所長 學生:許晉榕 Lin Jia; Jian-Guo Ma; Kiat Seng Yeo; Manh Anh DoCircuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on

  2. outline • lntroduction • Methodology of the optimization for the phase noise of LC tank vco • Verification and discussion • Conclusions

  3. lntroduction • A 2 GHz LC tank VCO is designed by this methodology fabricated by 0.18 μm CMOS technology. • The phase noise is -103.3 dBc/Hz at 100 kHz offset frequency and -118.9 dBc/Hz at 600 kHz offset with low-power consumption around 3.15 mW. • The tuning rang is 14% at a center frequency of 2.05 GHz. • An optimum channel length with lower phase noise is implemented to fabricate a 2 GHz VCO.

  4. Methodology of the optimization for the phase noise of LC tank vco

  5. Verification and discussion

  6. Conclusions

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