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Directional Coupler

Description

・Directional Coupler
Since our company manufactures couplers in our own way, we can provide loss of less than 1/5 of that of other companies.
Other Company：Insertion loss of WR10　1dB
Our Companiy ：Insertion loss of WR10　0.17dB

We manufacture custom products.
Please contact us with questions and for quotation.
Directional Coupler Directional Coupler Directional Coupler

Data of 20dB Coupler（WR10）

Example of performance
Frequency range 75GHz ～ 110GHz
Insertion loss 0.17dB(90GHz)
Coupling 20dB
Flatness ±0.7dB
Direction 30dB
Main line VSWR 1.06 or less
Data
Coupling（WR10） Insertion loss（WR10）
シミュレーションソフトで計算した結合度グラフ。75GHzのときapprox.-19dB,90GHzのときapprox.-20dB,110GHzのときapprox.-20dBの弓なりの形になっている。 シミュレーションソフトで計算した挿入損失グラフ。75GHz～110GHzで-0.23～-0.13dB程度

Waveguide List

Waveguide Size Frequency
(GHz)		 Flange Coupling
WR Internal Dimension(mm)
A × B
WR-28 7.110×3.560 26.5 - 40.0 UG381,UG599 10dB,20dB,30dB(※)
WR-22 5.690×2.850 33.0 - 50.5 UG383
WR-19 4.780×2.390 40.0 - 60.0 UG383
WR-15 3.759×1.880 50.5 - 75.0 UG385
WR-12 3.100×1.550 60.0 - 90.0 UG387
WR-10 2.540×1.270 75.0 - 110 UG387
WR-8 2.030×1.020 90.0 - 140 UG387
WR-6 1.651×0.825 110 - 170 UG387P
WR-5 1.295×0.648 140 - 220 UG387P
WR-4 1.092×0.546 170 - 260 UG387P
WR-3 0.864×0.432 220 - 330 UG387P

※We will accept other coupling as well.

Drawing

Flange

Return

Main Office
3-10-28, Nishikubo, Musashino-shi, Tokyo, Japan
TEL: +81-422-52-0167
FAX: +81-422-54-2632Factory
3-17-1,Take,Yokosuka-shi,Kanagawa Pref. Japan
TEL: +81-468-56-7305
FAX: +81-468-57-0014 COPYRIGHT © OSHIMA prototype engineering ALL RIGHTS RESERVED.