采用源电容耦合电流放大器的5 GHz压控环形振荡器

2003 Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, 2003. Digest of Papers. Pub Date : 2003-04-11 DOI:10.1109/SMIC.2003.1196665

R. Tao, M. Berroth

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引用次数: 24

摘要

采用0.18 /spl mu/m CMOS技术设计了一种5ghz压控环形振荡器(VCO)。采用源电容耦合电流放大器(SC3A)实现该压控振荡器。由于SC3A的带通特性，该VCO具有低噪声和大调谐范围的性能。它可以在4.3 GHz到6.1 GHz范围内工作，在1mhz频偏下相位噪声约为-85 dBc/Hz。在2v供电电压下，功耗约为80mw。

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5 GHz voltage controlled ring oscillator using source capacitively coupled current amplifier

A 5 GHz voltage controlled ring oscillator (VCO) has been designed using 0.18 /spl mu/m CMOS technology. Source Capacitively Coupled Current Amplifier (SC3A) is adopted to realize this VCO. Because of the band-pass characteristic of the SC3A, this VCO exhibits the low noise performance with a large tuning range. It can operate from 4.3 GHz up to 6.1 GHz with a phase noise of about -85 dBc/Hz at 1 MHz frequency offset. For the 2 V supply voltage, the power consumption is about 80 mW.

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来源期刊

2003 Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, 2003. Digest of Papers.

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