Design of Wideband Microstrip to SICL Transition for Millimeter-Wave Applications

In this communication, the design and working principle of a wideband microstrip to substrate integrated coaxial line (SICL) planar transition for millimeter-wave applications is presented. In the proposed work, along with tapering of microstrip line, two triangular slots in the top ground plane are...

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Main Authors: Idury Satya Krishna, Soumava Mukherjee
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/8945197/
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author Idury Satya Krishna
Soumava Mukherjee
author_facet Idury Satya Krishna
Soumava Mukherjee
author_sort Idury Satya Krishna
collection DOAJ
description In this communication, the design and working principle of a wideband microstrip to substrate integrated coaxial line (SICL) planar transition for millimeter-wave applications is presented. In the proposed work, along with tapering of microstrip line, two triangular slots in the top ground plane are utilised to compensate for the discontinuity arising at the microstrip-SICL junction & minimize reflections over a wide bandwidth. To confirm the theoretical claims, the proposed microstrip to SICL transition is fabricated using standard multilayer PCB process. The measured results of the prototype indicate return loss better than 14 dB with a maximum insertion loss of 1.78 dB for DC to 40 GHz band (19 dB bandwidth up to 20 GHz with insertion loss less than 0.71 dB). The modeling of proposed transition is presented & versatility of the design is illustrated for different dielectric constant & thickness. Effortless integration of SICL with the widely used microstrip transmission line simplifies the feeding process of SICL based broadband antennas & microwave circuits.
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spelling doaj.art-1e7088bb53aa43278087dbdb51c288042022-12-21T20:30:00ZengIEEEIEEE Access2169-35362020-01-0184250425410.1109/ACCESS.2019.29629058945197Design of Wideband Microstrip to SICL Transition for Millimeter-Wave ApplicationsIdury Satya Krishna0https://orcid.org/0000-0003-1159-5751Soumava Mukherjee1https://orcid.org/0000-0003-4165-0467IIT Jodhpur, Jodhpur, IndiaIIT Jodhpur, Jodhpur, IndiaIn this communication, the design and working principle of a wideband microstrip to substrate integrated coaxial line (SICL) planar transition for millimeter-wave applications is presented. In the proposed work, along with tapering of microstrip line, two triangular slots in the top ground plane are utilised to compensate for the discontinuity arising at the microstrip-SICL junction & minimize reflections over a wide bandwidth. To confirm the theoretical claims, the proposed microstrip to SICL transition is fabricated using standard multilayer PCB process. The measured results of the prototype indicate return loss better than 14 dB with a maximum insertion loss of 1.78 dB for DC to 40 GHz band (19 dB bandwidth up to 20 GHz with insertion loss less than 0.71 dB). The modeling of proposed transition is presented & versatility of the design is illustrated for different dielectric constant & thickness. Effortless integration of SICL with the widely used microstrip transmission line simplifies the feeding process of SICL based broadband antennas & microwave circuits.https://ieeexplore.ieee.org/document/8945197/Millimeter-waveplanarsubstrate integrated coaxial line (SICL)wideband transition
spellingShingle Idury Satya Krishna
Soumava Mukherjee
Design of Wideband Microstrip to SICL Transition for Millimeter-Wave Applications
IEEE Access
Millimeter-wave
planar
substrate integrated coaxial line (SICL)
wideband transition
title Design of Wideband Microstrip to SICL Transition for Millimeter-Wave Applications
title_full Design of Wideband Microstrip to SICL Transition for Millimeter-Wave Applications
title_fullStr Design of Wideband Microstrip to SICL Transition for Millimeter-Wave Applications
title_full_unstemmed Design of Wideband Microstrip to SICL Transition for Millimeter-Wave Applications
title_short Design of Wideband Microstrip to SICL Transition for Millimeter-Wave Applications
title_sort design of wideband microstrip to sicl transition for millimeter wave applications
topic Millimeter-wave
planar
substrate integrated coaxial line (SICL)
wideband transition
url https://ieeexplore.ieee.org/document/8945197/
work_keys_str_mv AT idurysatyakrishna designofwidebandmicrostriptosicltransitionformillimeterwaveapplications
AT soumavamukherjee designofwidebandmicrostriptosicltransitionformillimeterwaveapplications