CN109565098A - 一种滤波器 - Google Patents

一种滤波器 Download PDF

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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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Prior art keywords
capacitor
filter
connects
signal
inductance
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CN201680087937.4A
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CN109565098B (zh
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刘荣江
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-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)

  1. PCT国内申请,权利要求书已公开。
CN201680087937.4A 2016-08-18 2016-08-18 一种滤波器 Active CN109565098B (zh)

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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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WO (1) WO2018032453A1 (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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
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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

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Cited By (8)

* Cited by examiner, † Cited by third party
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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CN109565098B (zh) 2021-01-15
WO2018032453A1 (zh) 2018-02-22

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