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Missing ground plane for microstrip #21

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MilosHirsl opened this issue Dec 5, 2024 · 2 comments
Closed

Missing ground plane for microstrip #21

MilosHirsl opened this issue Dec 5, 2024 · 2 comments
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@Sebi1128

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@MilosHirsl
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According to the datasheet of the ANT-2.45-CHP-T antenna (https://www.mouser.ch/datasheet/2/418/9/ENG_DS_L9000014_01_C-3238928.pdf), the ground plane beneath should cover the trace leading up to the antenna's feed termination pin in order to form a proper microstrip. On the acquisition board this is not the case:

WULPUS_Antenna_Keepout

The trace between the antenna and R22 (NetE1_1) does not have a ground plane underneath.
@Sergio5714 Sergio5714 assigned Sergio5714 and Sebi1128 and unassigned Sergio5714 Dec 10, 2024
@Sergio5714
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Thank you, @MilosHirsl for debugging the probes and reporting the problem with the antenna layout. We are going to fix this in the next HW review round.

@Sergio5714
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Fixed by @Sebi1128 by replacing the antenna and adjusting the layout in HW version 1.2.0

@Sergio5714 Sergio5714 mentioned this issue Jan 21, 2025
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@Sebi1128 @Sergio5714 @MilosHirsl