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 代理人
主权项
地址