一种低功耗高线性Gm-C滤波器的设计
设计了一种应用于W-CDMA零中频接收机系统的跨导-电容（Gm-C）低通滤波器及其调谐电路.该接收机中的滤波器采用截止频率为2.2 MHz的3阶巴特沃斯滤波器,在10 MHz频率处的阻带衰减达到34 dB.电路采用SMIC 0.18 μm CMOS工艺模型,在电源电压为1.8V时,滤波器的IIP3可达到21.13 dBm,电路功耗为3.31 mW.同时,该滤波器采用开关电容调谐电路来精确控制滤波器的截止频率,将截止频率的偏差降低到3％以下....
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| Published in | 电子技术应用 Vol. 40; no. 11; pp. 53 - 56 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
福州大学物理与信息工程学院福建省集成电路设计中心,福建福州,350003
2014
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0258-7998 |
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| Abstract | 设计了一种应用于W-CDMA零中频接收机系统的跨导-电容（Gm-C）低通滤波器及其调谐电路.该接收机中的滤波器采用截止频率为2.2 MHz的3阶巴特沃斯滤波器,在10 MHz频率处的阻带衰减达到34 dB.电路采用SMIC 0.18 μm CMOS工艺模型,在电源电压为1.8V时,滤波器的IIP3可达到21.13 dBm,电路功耗为3.31 mW.同时,该滤波器采用开关电容调谐电路来精确控制滤波器的截止频率,将截止频率的偏差降低到3％以下. |
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| AbstractList | 设计了一种应用于W-CDMA零中频接收机系统的跨导-电容（Gm-C）低通滤波器及其调谐电路.该接收机中的滤波器采用截止频率为2.2 MHz的3阶巴特沃斯滤波器,在10 MHz频率处的阻带衰减达到34 dB.电路采用SMIC 0.18 μm CMOS工艺模型,在电源电压为1.8V时,滤波器的IIP3可达到21.13 dBm,电路功耗为3.31 mW.同时,该滤波器采用开关电容调谐电路来精确控制滤波器的截止频率,将截止频率的偏差降低到3％以下. TN432; 设计了一种应用于W-CDMA零中频接收机系统的跨导-电容(Gm-C)低通滤波器及其调谐电路.该接收机中的滤波器采用截止频率为2.2 MHz的3阶巴特沃斯滤波器,在10 MHz频率处的阻带衰减达到34 dB.电路采用SMIC 0.18 μm CMOS工艺模型,在电源电压为1.8V时,滤波器的IIP3可达到21.13 dBm,电路功耗为3.31 mW.同时,该滤波器采用开关电容调谐电路来精确控制滤波器的截止频率,将截止频率的偏差降低到3％以下. |
| Author | 张荣晶 黄继伟 胡炜 张千文 陈俊龙 吴嘉士 |
| AuthorAffiliation | 福州大学物理与信息工程学院福建省集成电路设计中心,福建福州350003 |
| AuthorAffiliation_xml | – name: 福州大学物理与信息工程学院福建省集成电路设计中心,福建福州,350003 |
| Author_FL | Zhang Rongjing Huang Jiwei Wu Jiashi Hu Wei Zhang Qianwen Chen Junlong |
| Author_FL_xml | – sequence: 1 fullname: Zhang Rongjing – sequence: 2 fullname: Huang Jiwei – sequence: 3 fullname: Hu Wei – sequence: 4 fullname: Zhang Qianwen – sequence: 5 fullname: Chen Junlong – sequence: 6 fullname: Wu Jiashi |
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| ClassificationCodes | TN432 |
| ContentType | Journal Article |
| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | A low power Gm-C filter with high linearity |
| DocumentTitle_FL | A low power Gm-C filter with high linearity |
| EndPage | 56 |
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| Keywords | automatic tuned circuit transconductance amplifier low pass filter 跨导放大器 低通滤波器 零中频接收机 自动调谐电路 zero-IF reciever |
| Language | Chinese |
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| Notes | Zhang Rongjing,Huang Jiwei,Hu Wei,Zhang Qianwen,Chen Junlong,Wu Jiashi（ 1.Fujian Integrated Circuit Design Center,College of Physics and Information Engineering,Fuzhou University, Fuzhou 350003,China;） zero-IF reciever ; transconductance amplifier ; low pass filter ; automatic tuned circuit 11-2305/TN A transconductance-C （Gm-C） low pass filter and its tuned circuit for W-CDMA standard applications in zero-IF reciever arc proposed.In the reciever,a 3rd-order Butterworth low pass filter is adopted,which has cut-off frequency of 2.2 MHz and stop-band attenuation of 34 dB at 10 MHz frequency.Using SMIC 0.18 μm CMOS process,the proposed filter achieves an IIP3 up to 21.13 dBm and consumes the power of 3.31 mW under the power supply voltage of 1.8 V.An automatic tuned circuit based on switched-capacitor circuit is used to precisely control the cut-off frequency of this filter,which can reduce the cut-off frequency deviation to less than 3％. |
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| PublicationTitle | 电子技术应用 |
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| PublicationYear | 2014 |
| Publisher | 福州大学物理与信息工程学院福建省集成电路设计中心,福建福州,350003 |
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| Snippet | 设计了一种应用于W-CDMA零中频接收机系统的跨导-电容（Gm-C）低通滤波器及其调谐电路.该接收机中的滤波器采用截止频率为2.2 MHz的3阶巴特沃斯滤波器,在10 MHz频率处的阻带... TN432; 设计了一种应用于W-CDMA零中频接收机系统的跨导-电容(Gm-C)低通滤波器及其调谐电路.该接收机中的滤波器采用截止频率为2.2 MHz的3阶巴特沃斯滤波器,在10 MHz频率处... |
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| StartPage | 53 |
| SubjectTerms | 低通滤波器 自动调谐电路 跨导放大器 零中频接收机 |
| Title | 一种低功耗高线性Gm-C滤波器的设计 |
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