一种5.8 ghz高效、低功耗、低相位噪声的IEEE 802.11a CMOS压控振荡器

The 3rd IEEE International Workshop on System-on-Chip for Real-Time Applications, 2003. Proceedings. Pub Date : 2003-07-02 DOI:10.1109/IWSOC.2003.1213013

Sau-Mou Wu, Ron-Yi Liu, Wei-Liang Chen

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引用次数: 11

摘要

采用台积电0.25 /spl mu/m 1P5M CMOS工艺，设计并制造了一种用于IEEE 802.11a WLAN应用的高效、低功耗、低相位噪声的5.8 GHz LC压控振荡器(VCO)。单2.5 V电源，其调谐范围为240 MHz，在整个调谐范围内，从中心频率偏移1 MHz时相位噪声为-115 dBc/Hz。总功耗为6.23 mW，而VCO核心的功耗仅为2.62 mW。与目前采用工频归一化(PFN)优值图的方法相比，该方法具有较好的相位噪声性能，且功耗极低。

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A 5.8-GHz high efficient, low power, low phase noise CMOS VCO for IEEE 802.11a

A high efficient, low power and low phase noise 5.8 GHz LC voltage-controlled oscillator (VCO) for IEEE 802.11a WLAN applications is designed and fabricated in TSMC 0.25 /spl mu/m 1P5M CMOS process. With single 2.5 V supply, it has a tuning range of 240 MHz and a phase noise of -115 dBc/Hz at 1 MHz offset from center frequency throughout the tuning range. The total power consumption is 6.23 mW while the VCO core consumes only 2.62 mW. Compared with the recent proposed works by using the power-frequency-normalized (PFN) figure of merit, it shows a superior phase noise performance while with very low power consumption.

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The 3rd IEEE International Workshop on System-on-Chip for Real-Time Applications, 2003. Proceedings.

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