Waveguide transition between rectangular and circular waveguides

Claim 1

A MICROWAVE TRANSITION FOR COUPLING THE TE10 MODE ENERGY IN A RECTANGULAR WAVEGUIDE TO A CIRCULAR WAVEGUIDE ADAPTED TO PROPAGATE THE TE01 MODE COMPRISING, MEANS FOR DIVIDING THE POWER OF SAID TE10 MODE ENERGY INTO TWO EQUAL COMPONENTS, A WAVEGUIDE CHAMBER INCLUDING TWO ANGULARLY DISPOSED WAVEGUIDE CHANNELS, EACH HAVING A PAIR OF ORTHOGONALLY POSITIONED ARMS INTERCONNECTED BY A WAVEGUIDE SECTION ONE WALL OF WHICH IS COMMON TO BOTH OF SAID CHANNELS, DISCRETE WAVEGUIDE MEANS COUPLING THE RESPECTIVE POWER COMPONENTS TO ONE ARM OF EACH OF SAID WAVEGUIDE CHANNELS, THE PORTION OF EACH OF SAID WAVEGUIDE MEANS PROXIMAL SAID ARMS BEING COLINEAR WITH EACH OF THEIR ASSOCIATED ARMS, A WAVEGUIDE MATCHING SECTION INTERCONNECTING SAID WAVEGUIDE CHAMBER AND SAID CIRCULAR WAVEGUIDE, AN END PLATE SEPARATING SAID MATCHING SECTION AND SAID CHAMBER, AND A PLURALITY OF SLOTS IN SAID END PLATE, A RESPECTIVE ONE OF SAID SLOTS BEING RADIALLY ALIGNED WITH ONE OF SAID ORTHOGONALLY POSITIONED ARMS OF SAID WAVEGUIDE CHANNELS.