Offset mesh in FPCB for better impedance control

Meshed ground planes have been used in a flexible printed circuit board (FPCB) to raise the characteristic impedance of a stripline to 50 Ω. However, the characteristic impedance varies considerably with its position on the meshes. An offset mesh structure is proposed to address this issue. Both sim...

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Bibliographic Details
Published in:Electronics letters 2018-06, Vol.54 (13), p.812-813
Main Authors: Yu, S, Kam, D.G
Format: Article
Language:English
Subjects:
characteristic impedance
Circuits and systems
flexible electronics
flexible printed circuit board
FPCB
impedance control
meshed ground planes
offset mesh structure
printed circuits
resistance 50 ohm
strip lines
stripline
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Description
Summary:Meshed ground planes have been used in a flexible printed circuit board (FPCB) to raise the characteristic impedance of a stripline to 50 Ω. However, the characteristic impedance varies considerably with its position on the meshes. An offset mesh structure is proposed to address this issue. Both simulation and measurement results verify its effectiveness.
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2018.1157