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author:

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

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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TSMC 0.18μm工艺实现,工作电压为3 V.仿真结果表明:压控振荡器的频率范围3 055~4 176 MHz(31%),调谐增益19 MHz/V变化至44MHz/V,相对最大调谐增益的变化值为56.8%,频偏20 MHz处相位噪声达到-155.7 dBc/Hz以下,最大功耗30 mW.

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 ] [王豫桐]福州大学
  • [ 2 ] [林伟]福州大学
  • [ 3 ] [黄世震]福州大学

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Source :

微电子学

ISSN: 1004-3365

CN: 50-1090/TN

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: -1

Chinese Cited Count:

30 Days PV: 2

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