XPost: rec.radio.amateur.moderated, uk.radio.amateur, free.uk.amateur-radio
SolderSmoke Daily News
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10 Pole Crystal Filter Passband as Seen in Antuino and NanoVNA
Posted: 30 Jun 2021 03:53 AM PDT
http://soldersmoke.blogspot.com/2021/06/10-pole-crystal-filter-passband-as-seen.html
I continue to work on the "Mythbuster" rig, but I am taking it slow,
trying to learn something from each stage. I'm especially trying to master the used of the great test gear that has arrived in my shack in recent
years: The Antuino, the NanoVNA, and the TinySA. Above you can see the passband of the 10 pole crystal filter as measured across the 50 ohm terminations on the filter. I use
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