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author:

王豫桐 (王豫桐.) [1] | 林伟 (林伟.) [2] | 黄世震 (黄世震.) [3]

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CQVIP PKU CSCD

Abstract:

设计了一个应用于GSM850/EGSM900/DCS1800/PCS1900四频带直接调制锁相环发射机的宽带电感电容压控振荡器,采用温度计编码控制开关电容阵列,获得了宽频率覆盖范围,通过优化获得了良好的相位噪声性能。整个电路采用TSMC0.18μm工艺实现,工作电压为3V。仿真结果表明:压控振荡器的频率范围3055-4176MHz(31%),调谐增益19MHz/V变化至44MHz/V,相对最大调谐增益的变化值为56.8%,频偏20MHz处相位噪声达到-155.7dBc/Hz以下,最大功耗30mW。

Keyword:

压控振荡器 噪声滤除 开关电容阵列 温度计码 相位噪声 调谐增益

Community:

  • [ 1 ] 福州大学福建省微电子与集成电路重点实验室,福州350002

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Source :

微电子学

ISSN: 1004-3365

Year: 2009

Issue: 2

Volume: 39

Page: 219-223

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 5

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