SnapperGPS
Recommended SAW Filter substitute? V 2.0 #31
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I am ordering manufactured boards from PCBWay and they are out of the Abracon AFS20A42-1575.42-T3. Is there a substitute that is acceptable or should I look into acquiring this part elsewhere? |
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Replies: 1 comment 2 replies
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I have tried AFS20A02-1575.42-T3 instead of AFS20A42-1575.42-T3 on a single SnapperGPS board. Qualitatively, performance was acceptable, but I do not have lots of data to put a precise number behind that. It has a smaller bandwidth, which should in theory decrease sensitivity while increasing robustness, but I couldn't evidence either in practice with the single device that I have. |
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Was the unit tested in the field? |
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So far it has been tested on a field, but not on a sea turtle or sea bird etc. |
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I have tried AFS20A02-1575.42-T3 instead of AFS20A42-1575.42-T3 on a single SnapperGPS board. Qualitatively, performance was acceptable, but I do not have lots of data to put a precise number behind that.
It has a smaller bandwidth, which should in theory decrease sensitivity while increasing robustness, but I couldn't evidence either in practice with the single device that I have.