JP2016082434A - 導波管帯域阻止フィルタ - Google Patents
導波管帯域阻止フィルタ Download PDFInfo
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Abstract
【解決手段】矩形導波管の広幅の上下面の伝送方向に複数の溝8を設けた帯域阻止フィルタであって、上面の溝8と下面の溝8を互い違いに配置し、かつこれらの溝8の伝送方向の幅d1を溝間の導波管7s面の幅d2よりも広くすると共に、この溝8において、その幅d1を通過周波数帯の管内波長の約1/4,3/4とし、深さd3を阻止周波数帯の管内波長の約1/4以下にする。
【選択図】図1
Description
また、溝8の幅を通過周波数の管内波長の約n/4とすることで、溝による通過周波数の反射を小さくすることができる。
図4に示されるように、実施例のフィルタ(実線51)では、従来のフィルタ(点線50)と比較すると、9.4GHz近傍での大きな減衰量が得られ、全体的にも良好な特性となっている。
また、溝8の幅d2を通過周波数の管内波長の約1/4としたが、この幅d2は通過周波数の管内波長の約3/4,5/4等[n/4(n:奇数)]とすることができる。
5…入出力導波管、 6…ステップ導波管、
7s…溝間の導波管面。
Claims (1)
- 矩形導波管の広幅の上下面の伝送方向に複数の溝を設けた帯域阻止フィルタであって、
上記の上面の溝と下面の溝をずらして配置し、かつこれらの溝の伝送方向の幅を溝間の導波管面の幅よりも広くすると共に、上記溝の幅を通過周波数帯の管内波長の約n/4(n:奇数)に設定することを特徴とする導波管帯域阻止フィルタ。
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JP2014212801A JP6391415B2 (ja) | 2014-10-17 | 2014-10-17 | 導波管帯域阻止フィルタ |
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JP2014212801A JP6391415B2 (ja) | 2014-10-17 | 2014-10-17 | 導波管帯域阻止フィルタ |
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JP2016082434A true JP2016082434A (ja) | 2016-05-16 |
JP6391415B2 JP6391415B2 (ja) | 2018-09-19 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109378562A (zh) * | 2018-09-05 | 2019-02-22 | 深圳市奥谱太赫兹技术研究院 | 新型超宽带超阻尼太赫兹陷波滤波器 |
WO2022118865A1 (ja) * | 2020-12-02 | 2022-06-09 | 大学共同利用機関法人自然科学研究機構 | ノッチフィルタ |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63198202U (ja) * | 1987-06-10 | 1988-12-20 | ||
JPH05335809A (ja) * | 1992-06-02 | 1993-12-17 | Shimada Phys & Chem Ind Co Ltd | 導波管形バンドパスフィルタ装置 |
JPH06310912A (ja) * | 1993-04-26 | 1994-11-04 | Toshiba Corp | 導波管フィルタ |
JP2012039373A (ja) * | 2010-08-06 | 2012-02-23 | Mitsubishi Electric Corp | 帯域阻止フィルタ |
-
2014
- 2014-10-17 JP JP2014212801A patent/JP6391415B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63198202U (ja) * | 1987-06-10 | 1988-12-20 | ||
JPH05335809A (ja) * | 1992-06-02 | 1993-12-17 | Shimada Phys & Chem Ind Co Ltd | 導波管形バンドパスフィルタ装置 |
JPH06310912A (ja) * | 1993-04-26 | 1994-11-04 | Toshiba Corp | 導波管フィルタ |
JP2012039373A (ja) * | 2010-08-06 | 2012-02-23 | Mitsubishi Electric Corp | 帯域阻止フィルタ |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109378562A (zh) * | 2018-09-05 | 2019-02-22 | 深圳市奥谱太赫兹技术研究院 | 新型超宽带超阻尼太赫兹陷波滤波器 |
WO2022118865A1 (ja) * | 2020-12-02 | 2022-06-09 | 大学共同利用機関法人自然科学研究機構 | ノッチフィルタ |
JPWO2022118865A1 (ja) * | 2020-12-02 | 2022-06-09 | ||
JP7197956B2 (ja) | 2020-12-02 | 2022-12-28 | 大学共同利用機関法人自然科学研究機構 | ノッチフィルタ |
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