JP5492423B2 - 高周波回路調整機構 - Google Patents
高周波回路調整機構 Download PDFInfo
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- JP5492423B2 JP5492423B2 JP2009030126A JP2009030126A JP5492423B2 JP 5492423 B2 JP5492423 B2 JP 5492423B2 JP 2009030126 A JP2009030126 A JP 2009030126A JP 2009030126 A JP2009030126 A JP 2009030126A JP 5492423 B2 JP5492423 B2 JP 5492423B2
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Description
図10には、図1の構成において周囲温度が高くなったときのブリッジ板7の変化が示されており、周囲温度が高くなると、ブリッジ板7が図の鎖線のように垂直方向に膨張し、この結果、設定容量が低下し、この例では、先端開放線路3−接地電極4間の容量が低下する。一般に、分布定数回路で構成した共振器は、高温側では回路パターン(先端開放線路3)の膨張により共振周波数が低下するが、この先端開放線路3の誘導性成分(L)との組み合わせで直列共振器を構成する図10の場合では、ブリッジ板7の膨張で容量成分が低下することにより、共振周波数が高い周波数側にシフトするように働く。従って、ブリッジ板7の材質や形状、回路パターンとの結合を適切に選択、設計することで、温度補償に用いることができ、本発明は、フィルタの減衰特性の温度補償や発振器の発振周波数の温度補償の効果を発揮する。
3…先端開放線路、 4,13…接地電極、
5…接地導体、 6…スルーホール、
7,14…ブリッジ板、 9…調整用治具、
11,12,16,17…線路、
11a,16a…切断部、 14e…突出片。
Claims (1)
- 表面に線路、裏面に接地導体が形成されたマイクロ波帯又はミリ波帯の高周波回路基板と、
この高周波回路基板の上記線路の一部を切断した切断部を跨ぐように配置され、金属薄板を凸形状に折り曲げて形成されると共に変形可能とされたブリッジ板と、を設け、
上記ブリッジ板と上記線路とを非導電性接着剤で接着し、
上記ブリッジ板の機械的な変形によって上記回路パターンの線路−接地間の静電容量を調整する高周波回路調整機構。
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JP2009030126A JP5492423B2 (ja) | 2009-02-12 | 2009-02-12 | 高周波回路調整機構 |
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JP2009030126A JP5492423B2 (ja) | 2009-02-12 | 2009-02-12 | 高周波回路調整機構 |
Publications (2)
Publication Number | Publication Date |
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JP2010187220A JP2010187220A (ja) | 2010-08-26 |
JP5492423B2 true JP5492423B2 (ja) | 2014-05-14 |
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JP2009030126A Active JP5492423B2 (ja) | 2009-02-12 | 2009-02-12 | 高周波回路調整機構 |
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JP (1) | JP5492423B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2013005264A1 (ja) * | 2011-07-07 | 2015-02-23 | 富士通株式会社 | 可変フィルタ装置および通信装置 |
CN103650340A (zh) * | 2011-07-07 | 2014-03-19 | 富士通株式会社 | 可调滤波器装置以及通信装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6123701U (ja) * | 1984-07-16 | 1986-02-12 | 株式会社ケンウッド | マイクロストリツプラインのスタブ調整器 |
JPH0697708A (ja) * | 1992-09-11 | 1994-04-08 | Fujitsu Ltd | マイクロ波伝送線路 |
JPH07131218A (ja) * | 1993-11-08 | 1995-05-19 | Kyocera Corp | 誘電体共振器 |
JPH0964602A (ja) * | 1995-08-23 | 1997-03-07 | Mitsubishi Electric Corp | 伝送線路 |
JP2008160439A (ja) * | 2006-12-22 | 2008-07-10 | Hitachi Kokusai Electric Inc | 共振器 |
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