JPH0328803U - - Google Patents
Info
- Publication number
- JPH0328803U JPH0328803U JP8924589U JP8924589U JPH0328803U JP H0328803 U JPH0328803 U JP H0328803U JP 8924589 U JP8924589 U JP 8924589U JP 8924589 U JP8924589 U JP 8924589U JP H0328803 U JPH0328803 U JP H0328803U
- Authority
- JP
- Japan
- Prior art keywords
- waveguide
- frequency band
- electromagnetic waves
- rectangular
- low frequency
- 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.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000010287 polarization Effects 0.000 claims 3
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Description
第１図は本考案の一実施例の一部破断斜視図、
第２図は従来の導波管型分波器の一部破断斜視図
である。
１……主導波管、２……結合孔、３……矩形分
岐導波管、４……金属棒、５……ステツプ変換部
（ｆ２用）、６……副導波管、７……短絡板、８
……ステツプ変換部（ｆ１用）、９……ろ波器。
FIG. 1 is a partially cutaway perspective view of an embodiment of the present invention;
FIG. 2 is a partially cutaway perspective view of a conventional waveguide type duplexer. DESCRIPTION OF SYMBOLS 1... Main waveguide, 2... Coupling hole, 3... Rectangular branch waveguide, 4... Metal rod, 5... Step conversion section (for f2 ), 6... Sub-waveguide, 7... ...Short circuit board, 8
...Step converter (for f1 ), 9...Filter.
Claims (1)
伝搬する円形あるいは方形の主導波管と、前記主
導波管の一面に結合孔を介して接続され、低周波
数帯の電磁波を通過させる一方で、高周波数帯の
電磁波を反射させるろ波器を含む矩形分岐導波管
と、前記主導波管に直列に接続され前記低周波数
帯の電磁波に対してカツトオフとなるような形状
の副導波管と、前記主導波管と前記副導波管との
間に設けたステツプ変換部と、前記ステツプ変換
部と前記矩形分岐導波管との間に前記低周波数帯
の電磁波の偏波と平行な方向に設けた短絡板とを
備えており、前記矩形分岐導波管は、その狭面部
の長さが前記高周波数帯の電磁波の自由空間波長
の1/2より長い導波管で構成し、かつこの矩形分
岐導波管内には前記低周波数帯の電磁波の偏波と
直交する方向に少なくとも１本の金属棒を設けた
ことを特徴とする導波管型分波器。 A circular or rectangular main wave tube that propagates electromagnetic waves with mutually orthogonal polarization in multiple frequency bands, and is connected to one side of the main wave tube through a coupling hole, allowing electromagnetic waves in a low frequency band to pass through, while transmitting electromagnetic waves in a high frequency band. a rectangular branch waveguide including a filter that reflects electromagnetic waves in a frequency band; a sub-waveguide connected in series to the main waveguide and having a shape that is cut off for electromagnetic waves in the low frequency band; A step conversion section provided between the main waveguide and the sub waveguide, and a step conversion section provided between the step conversion section and the rectangular branch waveguide in a direction parallel to the polarization of the electromagnetic wave in the low frequency band. The rectangular branch waveguide is constituted by a waveguide in which the length of the narrow surface portion is longer than 1/2 of the free space wavelength of the electromagnetic wave in the high frequency band, and A waveguide-type duplexer characterized in that at least one metal rod is provided in the rectangular branching waveguide in a direction orthogonal to the polarization of the electromagnetic wave in the low frequency band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8924589U JPH0328803U (en) | 1989-07-31 | 1989-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8924589U JPH0328803U (en) | 1989-07-31 | 1989-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0328803U true JPH0328803U (en) | 1991-03-22 |
Family
ID=31638836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8924589U Pending JPH0328803U (en) | 1989-07-31 | 1989-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0328803U (en) |
-
1989
- 1989-07-31 JP JP8924589U patent/JPH0328803U/ja active Pending
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