Waveguide to microstrip transition with a 90° bend...

Details Waveguide to microstrip transition with a 90° bend... Waveguide to microstrip transition with a 90° bend...

2007-01-30

2007-01-30

Lee, Benny (Department: 2817)

Wave transmission lines and networks

Wave mode converters

C333S026000

Reexamination Certificate

active

10907329

ABSTRACT:
A first waveguide to microstrip transition, the waveguide having a top, a bottom, a first sidewall, a second sidewall and a closed end. A transition slot normal to a longitudinal axis of the waveguide intersects the top and the first sidewall. A probe having a 90 degree bend is arranged in the transition slot, a distal end of the probe projecting into the waveguide normal to the top. A proximal end of the probe is coupled to a microstrip on a dielectric substrate. An impedance matching feature may be included projecting from the bottom, proximate the distal end of the probe. A hole may be formed in the dielectric substrate proximate the proximal end of the probe. A second waveguide and transition arrangement may be aligned bottom to bottom with the first waveguide and similarly arranged with a probe coupled to a second microstrip on the dielectric substrate.

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