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一种宽频压控振荡器及高速双模预分频器的设计与实现
Design and Implementation of an Wideband VCO with an High-speed Dual-mode Prescaler
查看参考文献7篇
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文摘
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针对射频无线收发机的需求,利用开关电容阵列和多个VOD核的结构设计了一个分段线性超宽频压控振荡器(VCO).采用全电流模逻辑(CML)结构的双模预分频器能满足振荡器最高频率输出的要求.基于IBM 0.35SiGe BiCMOS工艺的流片测试结果表明,电源电压为2.8V时,该压控振荡器的频率能够覆盖2.75～5.73GHz的频段,调频灵敏度约为100MHz/V,在偏离中心频率1MHz处,单边带相位噪声最佳值达到了-120.32 dBc/Hz,预分频器后仿最高工作频率达9.6GHz,两部分核心总工作电流为10mA. |
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其他语种文摘
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Aimed at the requirements of RF wireless transceiver, a wideband piecewise linear VCO is designed based on the combination of switching-capacitance and multi-VCO cores. The dual-mode prescaler utilizing full current mode logic is able to operate at the highest VCO frequency. Implemented in the IBM 0.35SiGe BiCMOS process, the VCO frequency ranges between 2.75～5.73GHz with an average tuning gain of l00MHz/V. The best measured SSB phase noise is 120.32dBc/Hz at 1MHz offset from the carrier, the prescaler post simulated frequency is up to 9.6GHz. The two parts draws 10mA current from a 2.8V supply. |
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来源
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微电子学与计算机
,2010,27(2):45-48,54 【扩展库】
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关键词
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压控振荡器
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预分频器
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宽频
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电流模逻辑
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SiGeBiCMOS工艺
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地址
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中国科学院,半导体研究所, 北京, 100083
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-7180 |
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学科
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电子技术、通信技术 |
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文献收藏号
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CSCD:3826380
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参考文献 共
7
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