Patent
Feed structure for electromagnetic waveguides
Shaun Cunningham,Mark Johnson +1 more
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TLDR
In this article, the authors proposed an approach to directly coupling an integrated circuit incorporating an RF circuit element to a waveguide, cavity, antenna or other structure by an aperture formed in a ground plane of the integrated circuit and connected to a transmission line linked to the RF circuit elements.Abstract:
The present invention relates to feed structures for electromagnetic waveguides, cavities, antennas and other structures. A "feed structure" is an arrangement for electrical conductors used to transfer RF energy between any transmission lines and a waveguide. There are problems associated with designing and manufacturing conventional feeds. The present invention overcomes these problems by directly coupling an integrated circuit incorporating an RF circuit element to a waveguide, cavity, antenna or other structure. Coupling is achieved by an aperture formed in a ground plane of the integrated circuit and connected to a transmission line linked to the RF circuit element.read more
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References
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Patent
Microstrip to waveguide transition
TL;DR: In this paper, a microstrip to waveguide transition is achieved by passing a portion of the microstrip circuit through an aperture in a transverse wall of a waveguide, which is dimensioned and positioned so as not to significantly disturb propagation in the waveguide.
Journal ArticleDOI
High-gain 150-215-GHz MMIC amplifier with integral waveguide transitions
TL;DR: In this article, the design and measured results of a six-stage InP monolithic microwave integrated circuit (MMIC) amplifier with 20/spl plusmn/6 dB gain from 150 to 215 GHz were reported.
Patent
Hermetic waveguide-to-microstrip transition module
TL;DR: A waveguide-to-microstrip transition module transmits captured electromagnetic energy between a waveguide and signal processing circuitry as discussed by the authors, which is an assembly of a base which includes at least one waveguide, a circuit board having one side mounted to the base and the opposite side including at least a microstrip.
Patent
Cavity excitation utilizing microstrip, strip, or slot line
TL;DR: The excitation or coupling of microwave integrated circuits to a cavity or resonator is effected by a substrate forming part of the wall of the cavity and on which there is disposed a microstrip or a strip or a slot line as mentioned in this paper.
Patent
Waveguide-microstrip transmission line transition structure
TL;DR: In this article, a waveguide-microstrip transmission line transition structure (10) is provided with a microstrip transmission lines structure (12) adapted for coupling to an open end of a Waveguide (14), which is well suited for connecting waveguide feeds to planar antennas.
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