CN109565098A - 一种滤波器 - Google Patents
一种滤波器 Download PDFInfo
- Publication number
- CN109565098A CN109565098A CN201680087937.4A CN201680087937A CN109565098A CN 109565098 A CN109565098 A CN 109565098A CN 201680087937 A CN201680087937 A CN 201680087937A CN 109565098 A CN109565098 A CN 109565098A
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- capacitor
- filter
- connects
- signal
- inductance
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
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- Filters And Equalizers (AREA)
Abstract
本发明实施例公开了一种滤波器,用于提高滤波器通带外两侧频率范围内信号的抑制能力,过滤出满足条件的输出信号,进而提高了滤波器的滤波能力,包括:抑制模块和开关电容滤波器;所述抑制模块的第一端连接输入信号,所述抑制模块的第二端连接输出信号,所述开关电容滤波器的第一端连接所述输出信号,所述开关电容滤波器的第二端连接地;所述输入信号通过所述抑制模块,抑制所述开关电容滤波器通带外两侧频率范围内的信号,过滤出目标信号;所述目标信号通过所述开关电容滤波器进行过滤,得到所述输出信号,所述输出信号用于电路进行通信。
Description
PCT国内申请,说明书已公开。
Claims (16)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2016/095834 WO2018032453A1 (zh) | 2016-08-18 | 2016-08-18 | 一种滤波器 |
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CN109565098A true CN109565098A (zh) | 2019-04-02 |
CN109565098B CN109565098B (zh) | 2021-01-15 |
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CN (1) | CN109565098B (zh) |
WO (1) | WO2018032453A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112491367A (zh) * | 2020-12-10 | 2021-03-12 | 富满微电子集团股份有限公司 | 低噪声放大电路、其控制方法与电子设备 |
CN112994685A (zh) * | 2019-12-12 | 2021-06-18 | 上海交通大学 | 数字相位转换器提高输出线性度的方法 |
CN114469019A (zh) * | 2022-04-14 | 2022-05-13 | 剑博微电子(深圳)有限公司 | 脉搏波信号的滤波方法、装置和计算机设备 |
CN116260417A (zh) * | 2023-05-16 | 2023-06-13 | 成都频岢微电子有限公司 | 一种单谐振器滤波器、多谐振器滤波器和射频前端模组 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112217212B (zh) * | 2020-10-21 | 2022-03-08 | 国网青海省电力公司电力科学研究院 | 一种用于抑制非特征谐波谐振的方法 |
CN114070221A (zh) * | 2021-11-17 | 2022-02-18 | 安徽安努奇科技有限公司 | 一种滤波器电路及电子设备 |
Citations (7)
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JPS61121514A (ja) * | 1984-11-16 | 1986-06-09 | Hitachi Ltd | 電力系統用保護リレ−の入力フイルタ |
CN2297806Y (zh) * | 1997-03-04 | 1998-11-18 | 武汉市凡谷电子技术研究所 | 提高带通滤波抑制度的带通带阻滤波器 |
EP1324420A1 (en) * | 1997-05-30 | 2003-07-02 | Murata Manufacturing Co., Ltd. | Dielectric filter, dielectric duplexer and communication apparatus |
US20070066256A1 (en) * | 2005-09-22 | 2007-03-22 | Samsung Electronics Co., Ltd. | Apparatus and method for receiving multi band signals in a mobile communication system |
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CN102624356A (zh) * | 2012-04-13 | 2012-08-01 | 上海交通大学 | 窄带带通滤波器 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5440270A (en) * | 1992-07-14 | 1995-08-08 | Linear Technology Corporation | Linear-phase filter having high gain selectivity |
US6351506B1 (en) * | 1999-04-19 | 2002-02-26 | National Semiconductor Corporation | Switched capacitor filter circuit having reduced offsets and providing offset compensation when used in a closed feedback loop |
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2016
- 2016-08-18 WO PCT/CN2016/095834 patent/WO2018032453A1/zh active Application Filing
- 2016-08-18 CN CN201680087937.4A patent/CN109565098B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61121514A (ja) * | 1984-11-16 | 1986-06-09 | Hitachi Ltd | 電力系統用保護リレ−の入力フイルタ |
CN2297806Y (zh) * | 1997-03-04 | 1998-11-18 | 武汉市凡谷电子技术研究所 | 提高带通滤波抑制度的带通带阻滤波器 |
EP1324420A1 (en) * | 1997-05-30 | 2003-07-02 | Murata Manufacturing Co., Ltd. | Dielectric filter, dielectric duplexer and communication apparatus |
US20070066256A1 (en) * | 2005-09-22 | 2007-03-22 | Samsung Electronics Co., Ltd. | Apparatus and method for receiving multi band signals in a mobile communication system |
CN101584125A (zh) * | 2007-01-19 | 2009-11-18 | 株式会社村田制作所 | 高频器件 |
CN101807910A (zh) * | 2009-02-09 | 2010-08-18 | 罗姆股份有限公司 | 输入选择器、信号处理电路、音频信号处理电路 |
CN102624356A (zh) * | 2012-04-13 | 2012-08-01 | 上海交通大学 | 窄带带通滤波器 |
Non-Patent Citations (1)
Title |
---|
胡鹏飞 等: "带宽可调高阶开关电容滤波器的设计", 《微电子学》 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112994685A (zh) * | 2019-12-12 | 2021-06-18 | 上海交通大学 | 数字相位转换器提高输出线性度的方法 |
CN112994685B (zh) * | 2019-12-12 | 2022-08-16 | 上海交通大学 | 数字相位转换器提高输出线性度的方法 |
CN112491367A (zh) * | 2020-12-10 | 2021-03-12 | 富满微电子集团股份有限公司 | 低噪声放大电路、其控制方法与电子设备 |
CN112491367B (zh) * | 2020-12-10 | 2024-06-07 | 富满微电子集团股份有限公司 | 低噪声放大电路、其控制方法与电子设备 |
CN114469019A (zh) * | 2022-04-14 | 2022-05-13 | 剑博微电子(深圳)有限公司 | 脉搏波信号的滤波方法、装置和计算机设备 |
CN114469019B (zh) * | 2022-04-14 | 2022-06-21 | 剑博微电子(深圳)有限公司 | 脉搏波信号的滤波方法、装置和计算机设备 |
CN116260417A (zh) * | 2023-05-16 | 2023-06-13 | 成都频岢微电子有限公司 | 一种单谐振器滤波器、多谐振器滤波器和射频前端模组 |
CN116260417B (zh) * | 2023-05-16 | 2023-07-11 | 成都频岢微电子有限公司 | 一种单谐振器滤波器、多谐振器滤波器和射频前端模组 |
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Publication number | Publication date |
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CN109565098B (zh) | 2021-01-15 |
WO2018032453A1 (zh) | 2018-02-22 |
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