Loss reduction & bandwidth enhancement by air-region insertion to LTCC rectangular-waveguide slot arrays in the millimeter-wave band

2012 ◽  
Author(s):  
Yuanfeng She ◽  
Ryusuke Fujino ◽  
Jiro Hirokawa ◽  
Makoto Ando ◽  
Daisuke Hanatani ◽  
...  
Keyword(s):  
Millimeter Wave ◽  
Rectangular Waveguide ◽  
Wave Band ◽  
Loss Reduction ◽  
Bandwidth Enhancement ◽  
Waveguide Slot ◽  
Slot Arrays ◽  
Millimeter Wave Band

LTCC Partially-Filled Post-Wall Rectangular-Waveguide Slot Array Antenna in the Millimeter-Wave Band

2012 ◽  
Vol E95.C (10) ◽  
pp. 1635-1642 ◽  
Author(s):  
Yuanfeng SHE ◽  
Jiro HIROKAWA ◽  
Makoto ANDO ◽  
Daisuke HANATANI ◽  
Masahiro FUJIMOTO
Keyword(s):  
Millimeter Wave ◽  
Rectangular Waveguide ◽  
Array Antenna ◽  
Wave Band ◽  
Waveguide Slot ◽  
Millimeter Wave Band

LTCC Oversized Rectangular Waveguide Slot Array Antenna With Air-Layer in the Radiating Part in the Millimeter-Wave Band

2013 ◽  
Vol 61 (4) ◽  
pp. 1777-1783 ◽  
Author(s):  
Yuanfeng She ◽  
Ryusuke Fujino ◽  
Jiro Hirokawa ◽  
Makoto Ando ◽  
Daisuke Hanatani ◽  
...  
Keyword(s):  
Millimeter Wave ◽  
Rectangular Waveguide ◽  
Array Antenna ◽  
Wave Band ◽  
Waveguide Slot ◽  
Millimeter Wave Band

O-Type Millimeter-Wave Band Devices on the Spiral Bent Rectangular Waveguide

2019 ◽  
Author(s):  
Alexander Kurayev ◽  
Semen Kurkin ◽  
Alexey Rak ◽  
Alexey Koronovskii ◽  
Artem Badarin
Keyword(s):  
Millimeter Wave ◽  
Rectangular Waveguide ◽  
Wave Band ◽  
Millimeter Wave Band

A Microstrip to Rectangular Waveguide Transition Using Coupling Loop in Millimeter-Wave Band

2010 ◽  
Vol 40-41 ◽  
pp. 331-334
Author(s):  
Jiang An Han ◽  
Jun Xu
Keyword(s):  
Millimeter Wave ◽  
Insertion Loss ◽  
Rectangular Waveguide ◽  
Return Loss ◽  
Short Circuit ◽  
Wave Band ◽  
Strip Conductor ◽  
Waveguide Transition ◽  
Coupling Loop ◽  
Millimeter Wave Band

A novel millimeter-wave transition from microstrip to rectangular waveguide is introduced in this paper. The theory for this design is explained. The strip conductor on microstrip, which is introduced from the center of a rectangular waveguide broad-wall to its E-plane, is shaped into a triangular loop in the waveguide terminated by a short circuit. A back to back transition operating at Ka band was simulated and fabricated. The experimental results showed the insertion loss of a back to back transition is less than 2.2dB with its return loss greater than 9.1dB from 26.5 GHz to 35.5 GHz.

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