Ultra-Wideband End-Launch Coaxial-to-Stripline Transition With 20:1 Bandwidth

Stripline technology is considered among the most commonly used guiding structures in various applications due to its low cost, low profile, and power-handling capability. The measurement of stripline structures typically requires coaxial connections with good performance. This letter presents a fie...

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Bibliographic Details
Published in:IEEE microwave and wireless components letters 2022-08, Vol.32 (8), p.943-945
Main Authors: Ali, Mohamed Mamdouh M., Elsaadany, Mahmoud, Shams, Shoukry I., Gagnon, Ghyslain, Wu, Ke
Format: Article
Language:English
Subjects:
Bandwidth
Connectors
End launch adapters
Insertion loss
Polytetrafluoroethylene
Prototypes
Seals
Stripline
stripline transition
Ultra wideband technology
ultra-wideband
Ultrawideband
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Summary:Stripline technology is considered among the most commonly used guiding structures in various applications due to its low cost, low profile, and power-handling capability. The measurement of stripline structures typically requires coaxial connections with good performance. This letter presents a field-replaceable stripline transition enabling both the measurement and low-profile connection simultaneously. The proposed design is set to operate with good performance up to 20 GHz and is only limited by the used SubMiniature version A (SMA) connector. We use a Teflon seal to ensure compatibility with both the standard coaxial connectors and the low-profile direct connection. The innovatively designed structure provides a matching level beyond 20 dB and an insertion loss of 0.2 dB/inch for the back-to-back configuration. An experimental prototype of the design is fabricated and measured, for which a good agreement between measured and simulated response is observed.
ISSN:1531-1309
2771-957X
1558-1764
2771-9588
DOI:10.1109/LMWC.2022.3165969