<azonenberg>
i remember you were working on something
<azonenberg>
also yes i'm stretched in a lot of different directions and its hard to keep straight who's doing what :p
<miek>
lol, no worries. i'm not working on anything actively atm. a few todo items are digital support for the agilent driver, and i'll probably play with USB-HS some more soon (i'm expecting two more fancy active probes in the post)
<azonenberg>
ah ok yeah it was the agilent driver i was thinking of
<azonenberg>
i knew you were doing a scope driver
<azonenberg>
Right now the USB decoder is only properly tested with FS
<azonenberg>
LS has never been tested either
<azonenberg>
I expect it to work but have never actually found something LS-only to test on
<azonenberg>
HS will definitely need work but i will gladly accept a PR to improve it
<azonenberg>
another missing feature is frame CRCs
<azonenberg>
right now i pull them out of the packets but don't actually verify them
<miek>
cool. yeah, i'll do a PR for HS support once the probes are in. it didn't seem to be too far off working when i played with it a few weeks ago
<azonenberg>
i'm impressed given that i never actually tested or implemented it
<azonenberg>
i didnt even read the 2.0 spec lol
<miek>
lol
<azonenberg>
so i dont know how different HS is than fast FS
<azonenberg>
If you're interested i made a usb 2.x test fixture a while back, going to respin with some tweaks soon
<azonenberg>
it was a passive fixture with usb B and A ports and SMA taps on D+ and D-
<azonenberg>
i need to fine tune it a bit, but i can send you one of the next rev when that happens
<azonenberg>
also did one for ethernet that is pretty good as is
<miek>
yeah, i would be interested in that. also, i think HS decode should be possible with a single channel so i'd be curious to see how that'd work plugged into my lmh3401 dev kit
<azonenberg>
ok yeah remind me in a week or so once i have the MEAD stuff shipped out to fab
<azonenberg>
i also have one for HDMI that seems to work decently
<azonenberg>
but all of them i think can be improved on, as they were designed before i bought sonnet so the SMA launches are not well optimized
<azonenberg>
ok so after lots of tuning i'm still at -2.6 dB on null 1 at 4.4 GHz, and -1 dB on null 2 at 4.76. otherwise clean
<azonenberg>
so still getting resonances
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<azonenberg>
aaaand they were box resonances in the ground plane from the simulation box. Derp
<azonenberg>
i'm still getting the hang of figuring out how to do proper edge launch grounding in sonnet without having better or worse ground contact than I intended
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<Degi>
What if u put essential oils into solder paste / flux cored solder?
<bvernoux>
I was trying Qorvo Match Calc tool
<bvernoux>
it is not so user friendly ;)
<bvernoux>
but it is nice to de-embedded signal ...
<bvernoux>
to match an impedance it shall be done by hand so not very good ...
<bvernoux>
AnTune is amazing for automatic matching for impedance