Results 21 to 30 of about 115,163 (338)
Planar Beam Steerable Parasitic Array Antenna System Design Based on the Yagi-Uda Design Method
International Journal of Antennas and Propagation, 2019 A planar beam steerable array antenna system is proposed with dual-control circuits for feeding and reactive loadings. Two orthogonally arranged planar dipoles are excited by SPDT switching circuits, while the forward and backward beam directions are ...
Seok-Jae Lee +2 more
doaj +1 more source
Alexandria Engineering Journal, 2022 The rapid development of modern communication systems propels the demand of high performance and miniaturization of RF/microwave components. Power dividers and filters are indispensable circuit components in amplifiers and antenna feed-networks which ...
Kwok L. Chung +4 more
doaj +1 more source
A review on future planar transmission line
Cogent Engineering, 2016 Substrate Integrated Waveguide (SIW) is an emerging trend in planar technology. The SIW structure consists of two rows of conducting cylinders in a dielectric substrate.
Ashok Kumar +2 more
doaj +1 more source
Substrate Integrated Transmission Lines: Review and Applications
IEEE Journal of Microwaves, 2021 This paper presents a general overview of substrate integrated transmission lines, from the perspective of historical background and progress of guided-wave structures and their impacts on the development of microwave circuits and integration solutions ...
Ke Wu +2 more
doaj +1 more source
Lithographic technology for microwave integrated circuits [PDF]
, 1997 Conductive lithographic films (CLFs) have been developed primarily as substitutes for resin/laminate boards, which share properties with the metallisation patterns used in planar microwave integrated circuits (MICs).
Evans, PSA +3 more
core +1 more source
5G Millimeter Wave Endfire Array Antenna with Printed Inverted-F Structure
International Journal of Antennas and Propagation, 2022 In this design, a novel inverted F antenna with a low profile feed structure is proposed for millimeter-wave (mmW) applications. The array element consists of a printed inverted F antenna and a L-shaped parasitic deflector, approximately forming a ...
Shang Feng, Xu Xin, Ren Chuxuan
doaj +1 more source
Waveguiding in planar photonic crystals [PDF]
, 2000 Photonic crystal planar circuits designed and fabricated in silicon on silicon dioxide are demonstrated. Our structures are based on two-dimensional confinement by photonic crystals in the plane of propagation, and total internal reflection to achieve ...
Doll, Theodor +5 more
core +2 more sources
A 100 GHz coplanar strip circuit tuned with a sliding planar backshort [PDF]
, 1993 A means of mechanically altering the electrical length of a planar transmission line would greatly enhance the use of integrated circuit technology at millimeter and submillimeter wavelengths.
Lubecke, Victor M. +2 more
core +1 more source
Design of Low-Cost Full W-Band 8th Harmonic Mixers for Frequency Extension of Spectrum Analyzer
IET Circuits, Devices and Systems, 2023 High-order harmonic mixer is popular for frequency extension of spectrum analyzer (SA) from microwave to millimeter-wave or even terahertz band. The manufactures of SA usually offer expensive harmonic mixers where frequency extension is needed.
Jian Guo +5 more
doaj +1 more source
On circuit decomposition of planar Eulerian graphs
Journal of Combinatorial Theory, Series B, 1990 A special case of Seymour's Sum of Circuits theorem asserts that the edges of a planar Eulerian graph can be partitioned into circuits (of length at least three) if and only if no cut has more than half of its edges in a parallel `bundle' joining the same two vertices.
Herbert Fleischner, András Frank
openaire +2 more sources