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Slotline reverse-phased hybrid ring coupler

  • US 4,419,635 A
  • Filed: 09/24/1981
  • Issued: 12/06/1983
  • Est. Priority Date: 09/24/1981
  • Status: Expired due to Fees
First Claim
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1. A microwave hybrid ring coupler comprising:

  • a dielectric substrate having first and second sides;

    a metallized layer formed on the dielectric substrate first side;

    first, second, third and fourth sections of slotline transmission medium formed in said metallized layer and interconnected so as to form a substantially enclosed area of metallized layer, the fourth slotline transmission medium having a separation formed therein and having a first slotline portion extending from one side of said separation and a second slotline portion extending from the other side of said separation;

    a first shorted slotline extending from one end of said first portion;

    a second shorted slotline extending from one end of said second portion; and

    a slotline-to-microstrip-to-slotline transition coupled to said first and second slotline portions.

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