TWI342669B - - Google Patents

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Publication number
TWI342669B
TWI342669B TW97106641A TW97106641A TWI342669B TW I342669 B TWI342669 B TW I342669B TW 97106641 A TW97106641 A TW 97106641A TW 97106641 A TW97106641 A TW 97106641A TW I342669 B TWI342669 B TW I342669B
Authority
TW
Taiwan
Prior art keywords
capacitor
band
inductor
pass filter
switch
Prior art date
Application number
TW97106641A
Other languages
English (en)
Chinese (zh)
Other versions
TW200901623A (en
Inventor
Kazuharu Aoki
Hiromi Yamamoto
Original Assignee
Alps Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of TW200901623A publication Critical patent/TW200901623A/zh
Application granted granted Critical
Publication of TWI342669B publication Critical patent/TWI342669B/zh

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Landscapes

  • Filters And Equalizers (AREA)
TW97106641A 2007-03-09 2008-02-26 Alterable band-pass filter TW200901623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007060472A JP4713523B2 (ja) 2007-03-09 2007-03-09 帯域可変フィルタ

Publications (2)

Publication Number Publication Date
TW200901623A TW200901623A (en) 2009-01-01
TWI342669B true TWI342669B (OSRAM) 2011-05-21

Family

ID=39845839

Family Applications (1)

Application Number Title Priority Date Filing Date
TW97106641A TW200901623A (en) 2007-03-09 2008-02-26 Alterable band-pass filter

Country Status (3)

Country Link
JP (1) JP4713523B2 (OSRAM)
CN (1) CN101262209B (OSRAM)
TW (1) TW200901623A (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2396701C2 (ru) * 2008-10-23 2010-08-10 Федеральное государственное унитарное предприятие "Омский научно-исследовательский институт приборостроения" Полосовой перестраиваемый lc-фильтр
TWI470928B (zh) 2009-09-02 2015-01-21 晨星半導體股份有限公司 調諧器及其前級電路
CN103795939A (zh) * 2014-01-22 2014-05-14 中国科学院长春光学精密机械与物理研究所 使用可变带通滤波器的采样系统及双相关采样方法
CN108028635B (zh) 2015-09-09 2021-04-20 株式会社村田制作所 频率可变lc滤波器、高频前端电路
CN113014222B (zh) * 2021-04-26 2023-08-08 哈尔滨海能达科技有限公司 一种带通滤波器电路和电子设备
CN119675617B (zh) * 2024-11-28 2025-09-30 南通大学 一种基于lc元件的宽频段可调谐带通滤波器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56103514A (en) * 1980-01-23 1981-08-18 Hitachi Ltd Filter circuit
JPS61239727A (ja) * 1985-04-17 1986-10-25 Hitachi Ltd チユ−ナの入力回路
JPH06334463A (ja) * 1993-05-26 1994-12-02 Toshiba Corp 帯域切換回路
JP2846240B2 (ja) * 1994-05-20 1999-01-13 国際電気株式会社 周波数帯域可変フィルタ
JP3570375B2 (ja) * 2000-04-19 2004-09-29 株式会社村田製作所 周波数可変フィルタ、アンテナ共用器および通信機装置

Also Published As

Publication number Publication date
CN101262209A (zh) 2008-09-10
JP4713523B2 (ja) 2011-06-29
TW200901623A (en) 2009-01-01
JP2008227729A (ja) 2008-09-25
CN101262209B (zh) 2010-06-16

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