JP4348323B2 - フィルタ回路 - Google Patents
フィルタ回路 Download PDFInfo
- Publication number
- JP4348323B2 JP4348323B2 JP2005205487A JP2005205487A JP4348323B2 JP 4348323 B2 JP4348323 B2 JP 4348323B2 JP 2005205487 A JP2005205487 A JP 2005205487A JP 2005205487 A JP2005205487 A JP 2005205487A JP 4348323 B2 JP4348323 B2 JP 4348323B2
- Authority
- JP
- Japan
- Prior art keywords
- waveguide
- port
- frequency
- filter circuit
- cutoff
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Description
"Handbook of Satellite communications"ITU刊、Wiley著、p399 「21GHz帯放送衛星用出力フィルタ低損失化の一検討」1997年信学全大会、C−2−99 「放送衛星技術」日本放送出版協会刊、p86〜88
(第1の実施形態)
本発明の第1の実施形態のフィルタ回路を図1に示す。
(第2の実施形態)
本発明の第2の実施形態のフィルタ回路を図4に示す。
(第3の実施形態)
本発明の第3の実施形態のフィルタ回路を図5に示す。
11 サーキュレータ
12 遮断導波管
13 無反射終端器
21 高周波信号源
22 マニフォールド
111 第1のポート
112 第2のポート
113 第3のポート
121 一方の開口
122 他方の開口
Claims (2)
- 第1のポートから第2のポートに、前記第2のポートから第3のポートに高周波信号が伝送されるサーキュレータと、前記サーキュレータの前記第2のポートに一方の開口が接続される遮断導波管と、前記遮断導波管の他方の開口に接続され、第1の切り替え位置および第2の切り替え位置を有する導波管切り替え器と、前記導波管切り替え器が前記第1の切り替え位置にあるときに、前記遮断導波管の前記他方の開口に接続される無反射終端器と、前記導波管切り替え器が前記第2の切り替え位置にあるときに、前記遮断導波管の前記他方の開口に接続される短絡板とを含むフィルタ回路。
- 請求項1に記載のフィルタ回路と、前記フィルタ回路に含まれる前記サーキュレータの前記第1のポートまたは前記第3のポートに接続されるハイパスフィルタまたはバンドパスフィルタとを含むフィルタ回路。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005205487A JP4348323B2 (ja) | 2005-07-14 | 2005-07-14 | フィルタ回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005205487A JP4348323B2 (ja) | 2005-07-14 | 2005-07-14 | フィルタ回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007028050A JP2007028050A (ja) | 2007-02-01 |
JP4348323B2 true JP4348323B2 (ja) | 2009-10-21 |
Family
ID=37788241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005205487A Expired - Fee Related JP4348323B2 (ja) | 2005-07-14 | 2005-07-14 | フィルタ回路 |
Country Status (1)
Country | Link |
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JP (1) | JP4348323B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101593391B1 (ko) | 2014-04-08 | 2016-02-15 | (주)기산텔레콤 | 이동통신 시스템의 중계 장치의 필터 |
US10924177B2 (en) * | 2015-05-29 | 2021-02-16 | Nike, Inc. | System for operating multiple transceiver modules concurrently |
CN113726351B (zh) * | 2020-05-22 | 2022-11-01 | 四零四科技股份有限公司 | 接收装置和动态调整接收信号的衰减值的方法 |
-
2005
- 2005-07-14 JP JP2005205487A patent/JP4348323B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2007028050A (ja) | 2007-02-01 |
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