25MHz-6.44GHz LC-VCO，采用5端口电感，用于多频段频率产生

2011 IEEE Radio Frequency Integrated Circuits Symposium Pub Date : 2011-06-05 DOI:10.1109/RFIC.2011.5940681

W. Deng, K. Okada, A. Matsuzawa

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引用次数: 11

摘要

提出了一种用于多频段频率产生的宽调谐范围压控振荡器。宽带振荡器由使用5端口电感器的双模LC-VCO和分频链组成。所提出的5端口电感提供两种不同的电感，这可以支持两个共振在一个紧凑的芯片区域。因此，对于LC-VCO，获得了两种工作模式，以增加调谐范围。实验结果实现了25mhz ~ 6.44 ghz的连续调谐范围，fmt为−209 dBc/Hz。

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A 25MHz–6.44GHz LC-VCO using a 5-port inductor for multi-band frequency generation

This paper proposes a wide tuning range VCO for multi-band frequency generation. The wide band oscillator consists of a dual-mode LC-VCO using a 5-port inductor, and a divider chain. The proposed 5-port inductor provides two different inductances, which could support two resonances in a compact chip area. Thus, for LC-VCO, two operation modes are obtained to increase the tuning range. The experimental results achieve 25MHz-to-6.44GHz of continuous tuning range with a FoMT of −209 dBc/Hz.

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2011 IEEE Radio Frequency Integrated Circuits Symposium

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