A small size ka-band broadband end-fed waveguide microstrip conversion structure
A waveguide-to-microstrip conversion, small-size technology, applied in waveguide-type devices, circuits, connecting devices, etc., can solve the problems of high assembly precision, complex printed circuits, and small overall size, reducing assembly difficulty and improving consistency. , the effect of good impedance matching
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[0020] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:
[0021] The small-sized Ka-band broadband end-fed waveguide microstrip conversion structure of the present invention is inserted from the end face of the rectangular waveguide through a microstrip probe, through a quarter-wavelength impedance conversion line for matching transition, and through the narrowed air cavity to the through port , connected to a quasi-triangular microstrip radiation probe with arc edges, the triangular radiation piece is only processed on one side of the dielectric plate and connected to the waveguide wall through the ground hole. The conversion section of this single-side etched pattern is different from the general fin line. It is a mixture of magnetic coupling and electrical coupling. The arc edge is similar to the current ring, which generates magnetic coupling in the waveguide cavity. The triangular type is similar to the ridge waveg...
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