发明名称 |
One-octave 90 degrees 3dB directional coupler embodied in microstrip and slotline. |
摘要 |
<p>A 3dB 90 degrees directional coupler having a one-octave band extension for microwave circuits is described. It consists of two coupled lines (2,3) embodied in microstrip form and a slotline loop (4,5) made in the ground plane (6) of the microstrip lines.</p> |
申请公布号 |
EP0398419(A2) |
申请公布日期 |
1990.11.22 |
申请号 |
EP19900201164 |
申请日期 |
1990.05.08 |
申请人 |
SIEMENS TELECOMUNICAZIONI S.P.A. |
发明人 |
BUOLI, CARLO;PALERMO, NICOLANGELO |
分类号 |
H01P5/18 |
主分类号 |
H01P5/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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