JP4713523B2 - 帯域可変フィルタ - Google Patents

帯域可変フィルタ Download PDF

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Publication number
JP4713523B2
JP4713523B2 JP2007060472A JP2007060472A JP4713523B2 JP 4713523 B2 JP4713523 B2 JP 4713523B2 JP 2007060472 A JP2007060472 A JP 2007060472A JP 2007060472 A JP2007060472 A JP 2007060472A JP 4713523 B2 JP4713523 B2 JP 4713523B2
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Japan
Prior art keywords
band
capacitor
switch
inductor
turned
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JP2007060472A
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English (en)
Japanese (ja)
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JP2008227729A (ja
Inventor
一晴 青木
裕美 山本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alps Alpine Co Ltd
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
Priority to JP2007060472A priority Critical patent/JP4713523B2/ja
Priority to TW97106641A priority patent/TW200901623A/zh
Priority to CN200810082192XA priority patent/CN101262209B/zh
Publication of JP2008227729A publication Critical patent/JP2008227729A/ja
Application granted granted Critical
Publication of JP4713523B2 publication Critical patent/JP4713523B2/ja
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JP2007060472A 2007-03-09 2007-03-09 帯域可変フィルタ Active JP4713523B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2007060472A JP4713523B2 (ja) 2007-03-09 2007-03-09 帯域可変フィルタ
TW97106641A TW200901623A (en) 2007-03-09 2008-02-26 Alterable band-pass filter
CN200810082192XA CN101262209B (zh) 2007-03-09 2008-03-07 可变带通滤波器

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
JP2008227729A JP2008227729A (ja) 2008-09-25
JP4713523B2 true JP4713523B2 (ja) 2011-06-29

Family

ID=39845839

Family Applications (1)

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

Country Status (3)

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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
TWI342669B (OSRAM) 2011-05-21
TW200901623A (en) 2009-01-01
JP2008227729A (ja) 2008-09-25
CN101262209B (zh) 2010-06-16

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