JP4884532B2 - 伝送線路変換器 - Google Patents
伝送線路変換器 Download PDFInfo
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- JP4884532B2 JP4884532B2 JP2009521489A JP2009521489A JP4884532B2 JP 4884532 B2 JP4884532 B2 JP 4884532B2 JP 2009521489 A JP2009521489 A JP 2009521489A JP 2009521489 A JP2009521489 A JP 2009521489A JP 4884532 B2 JP4884532 B2 JP 4884532B2
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- 230000005540 biological transmission Effects 0.000 title claims description 73
- 239000004020 conductor Substances 0.000 claims description 41
- 230000005684 electric field Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 description 14
- 238000005452 bending Methods 0.000 description 12
- 239000002184 metal Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 230000000644 propagated effect Effects 0.000 description 5
- 230000001902 propagating effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced lines or devices with unbalanced lines or devices
- H01P5/107—Hollow-waveguide/strip-line transitions
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Description
図1は、本発明の実施の形態1における伝送線路変換器の上面図である。また、図2は、本発明の実施の形態1における図1の伝送線路変換器のA−A’断面図である。さらに、図3は、本発明の実施の形態1における図1の伝送線路変換器のB−B’断面図である。本実施の形態1では、伝送線路としてマイクロストリップ線路を用いた場合の、方形導波管とマイクロストリップ線路との変換器を示している。
方形導波管11に入力された高周波信号は、導波管の基本モードであるTE10モードで伝搬するため、方形導波管11の狭壁面12には管軸に垂直な方向に電流が流れる。方形導波管11は、一端が短絡されており、その短絡面から管内波長の約1/4倍離れた位置にあるスロット5の位置において、狭壁面12に流れる電流は最大となる。
先の実施の形態1では、伝送線路としてマイクロストリップ線路を用いた場合の、方形導波管とマイクロストリップ線路との変換器について説明した。これに対して、本実施の形態2では、伝送線路として方形同軸線路を用いた場合の、方形導波管と方形同軸線路との変換器について説明する。
方形導波管11に入力された高周波信号がスロット5を共振させる動作については、先の実施の形態1と同様である。
先の実施の形態1では、伝送線路として、誘電体基板を1枚用いたマイクロストリップ線路を用いた場合の変換器について説明した。これに対して、本実施の形態3では、伝送線路として、誘電体基板を2枚用いたストリップ線路を用いた場合の変換器について説明する。
方形導波管11に入力された高周波信号がスロット5を共振させる動作については、実施の形態1および2と同様である。
Claims (7)
- 導波管と、
前記導波管の壁面に設けられたスロットと、
前記導波管の管軸方向に延在する信号導体と地導体からなる伝送線路と
を備えた伝送線路変換器において、
前記スロットは、前記導波管の電界に平行な壁面に設けられ、第1部分および第2部分を有する形状であり、
前記第1部分は、前記導波管の管軸に対して平行でないある角度(0度より大きく90度以下)で斜交する斜交部分であり、
前記第2部分は、前記導波管の管軸に平行となる部分として前記斜交部分の両端部のうち少なくとも一方に形成され、
前記導波管は、前記スロットが設けられた壁面が前記地導体の一部をなし、
前記スロットが設けられた前記導波管の壁面を流れる電流は、前記スロットにより遮られ、前記伝送線路の地導体を流れる電流は、前記スロットの前記斜交部分によって遮られる
伝送線路変換器。 - 請求項1に記載の伝送線路変換器において、
前記伝送線路は、前記伝送線路における伝搬波長のおよそ1/4倍だけ前記スロットから離れた位置において、一端が開放されている伝送線路変換器。 - 請求項1に記載の伝送線路変換器において、
前記伝送線路は、前記伝送線路における伝搬波長のおよそ1/2倍だけ前記スロットから離れた位置において、一端が短絡されている伝送線路変換器。 - 請求項1ないし3のいずれか1項に記載の伝送線路変換器において、
前記導波管は、前記導波管における管内波長の1/4倍だけ前記スロットから離れた位置において、一端が短絡されている伝送線路変換器。 - 請求項1ないし4のいずれか1項に記載の伝送線路変換器において、
前記伝送線路は、マイクロストリップ線路である伝送線路変換器。 - 請求項1ないし4のいずれか1項に記載の伝送線路変換器において、
前記伝送線路は、同軸線路である伝送線路変換器。 - 請求項1ないし4のいずれか1項に記載の伝送線路変換器において、
前記伝送線路は、ストリップ線路である伝送線路変換器。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/063444 WO2009004729A1 (ja) | 2007-07-05 | 2007-07-05 | 伝送線路変換器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2009004729A1 JPWO2009004729A1 (ja) | 2010-08-26 |
JP4884532B2 true JP4884532B2 (ja) | 2012-02-29 |
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JP2009521489A Expired - Fee Related JP4884532B2 (ja) | 2007-07-05 | 2007-07-05 | 伝送線路変換器 |
Country Status (4)
Country | Link |
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US (1) | US8169274B2 (ja) |
EP (1) | EP2166613A4 (ja) |
JP (1) | JP4884532B2 (ja) |
WO (1) | WO2009004729A1 (ja) |
Families Citing this family (165)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4712841B2 (ja) * | 2008-07-17 | 2011-06-29 | 日本ピラー工業株式会社 | 導波管・ストリップ線路変換器及び高周波回路 |
JP5253468B2 (ja) * | 2010-09-03 | 2013-07-31 | 株式会社東芝 | アンテナ装置及びレーダ装置 |
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- 2007-07-05 JP JP2009521489A patent/JP4884532B2/ja not_active Expired - Fee Related
- 2007-07-05 US US12/664,127 patent/US8169274B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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EP2166613A4 (en) | 2010-10-06 |
WO2009004729A1 (ja) | 2009-01-08 |
EP2166613A1 (en) | 2010-03-24 |
JPWO2009004729A1 (ja) | 2010-08-26 |
US8169274B2 (en) | 2012-05-01 |
US20100176894A1 (en) | 2010-07-15 |
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