Pockethernet 2 – Preview Version (cable tester analyzer, RJ45 4channel TDR 249€) (pockethernet.com) 1 points by thro1 1y ago ↗ HN
[–] thro1 1y ago ↗ https://old.reddit.com/r/HomeNetworking/comments/1ecf9ja/poc...AFAIR it uses Marvell PHY (..Alaska 88E1111 - https://pbs.twimg.com/media/D-hwZ5mXkAIBAdv?format=jpg&name=... )- similar to https://www.youtube.com/watch?v=sfz1tJIX-XA- but more like that (v1): https://www.youtube.com/watch?v=p0BLqzWLXoY&t=1726s .(for 1 channel coax TDR you could use nanoVNA https://www.youtube.com/watch?v=BrfAv6bXYkAor.. DIY https://entertaininghacks.wordpress.com/2015/07/27/poor-mans... ,https://www.eevblog.com/forum/projects/my-time-domain-reflec... )
2 comments
[ 2.8 ms ] story [ 11.8 ms ] threadAFAIR it uses Marvell PHY (..Alaska 88E1111 - https://pbs.twimg.com/media/D-hwZ5mXkAIBAdv?format=jpg&name=... )
- similar to https://www.youtube.com/watch?v=sfz1tJIX-XA
- but more like that (v1): https://www.youtube.com/watch?v=p0BLqzWLXoY&t=1726s .
(for 1 channel coax TDR you could use nanoVNA https://www.youtube.com/watch?v=BrfAv6bXYkA
or.. DIY https://entertaininghacks.wordpress.com/2015/07/27/poor-mans... ,
https://www.eevblog.com/forum/projects/my-time-domain-reflec... )