RFID合成器中Kvco波动小的宽带LC压控振荡器设计

2008 11th IEEE International Conference on Communication Technology Pub Date : 2008-12-16 DOI:10.1109/ICCT.2008.4716241

K. Fu, Zhiqun Cheng, Jin Li, Yunfang Zhou, Xiaopeng Zhou

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引用次数: 8

摘要

本文采用中芯0.18 μ m标准CMOS工艺，设计了一种用于RFID合成器的Kvco波动小的宽带LC压控振荡器。宽带设计采用开关电容阵列和开关变容管阵列。VCO的Kvco波动仅为29%，约为传统VCO的三分之一。仿真结果表明，该系统在0.76 GHz ~ 1.48 GHz范围内的调谐频率范围为64%，VCO增益范围为41 MHz ~ 62 MHz, 1.8 V供电时的功耗约为9 mW。在整个调谐范围内，测量到的相位噪声小于-90 dBc/Hz，偏移量为100 kHz。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Design of wideband LC VCO with small Kvco fluctuation for RFID synthesizer application

In this paper, a wideband LC VCO with small Kvco fluctuation for RFID synthesizer application is designed using SMIC 0.18 mum standard CMOS process. The switched capacitor array and switched varactor array are used for wideband design. The VCO exhibited Kvco fluctuation of only 29%, which is about one third that of a conventional VCO. The simulation results show that the tuning frequency range is 64% from 0.76 GHz to 1.48 GHz, VCO Gain is from 41 MHz to 62 MHz with power consumption of about 9 mW at 1.8 V supply. The measured phase noise is less than -90 dBc/Hz at 100 kHz offset within the entire tuning range.

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2008 11th IEEE International Conference on Communication Technology

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