#coax — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #coax, aggregated by home.social.
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SMSL PO100 Pro
Dieser kleine Kerl bringt erstaunliche Klangverbesserungen an meinen aktiven Lautsprechern zustande. Gebe ich den Musikstream direkt per USB in die Aktivlautsprecher, ist der Sound eher mäßig. Der DDC scheint das USB Signal zu „reinigen“ und zu reclocken. Dann wird es per S/PDIF Coax oder optisch an den DAC der Lautsprecher gegeben. Das Ergebnis ist eine erstaunliche Verbesserung der Soundqualität.
Highly recommended. -
De toekomst van kabelinternet over de grens
Afgelopen week vond in Duitsland het congres van het Fachverband Rundfunk- und BreitbandKommunikation (FRK) plaats. Daar is veel gesproken over d
https://www.bureauterdege.nl/de-toekomst-van-kabelinternet-over-de-grens/
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#audio #electronics #coax Can anyone identify this connector? It's the inlet for the 75ohm FM antenna this receiver calls for: smooth barrel, male, no threads or design elements to engage bosses. (The waviness on the barrel is just schmutz)
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AND TO SHIELD GROUND
WHY
where I can get to it, the conformal coating itself does not appear to have become conductive, that was my first idea because it's pretty crusty BUT that's not it
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"antenna," "aux 1," "aux 2," and "cable" are all just... connected together. "vcr" is actually wired separately and as far as I can tell actually gets switched on the signal line, though the shield line is common across everything.
but all the switches are there. and i think they're all real. why would you do this. why.
the amount of resistance from desired source to output seems to change some but it also seems kinda random. selecting the source you're testing sometimes seems to make the resistance go _up_?
this is an archer-branded switch so I think it came from radio shack originally. and every time i say "you have failed me for the last time, Admiral SHACK" i am again proven wrong.
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NOPE THEY'RE 100% CONNECTED ON THE SIGNAL LINES 100% OF THE TIME
WHAT THE FUCK
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okay this just got super weird
all four inputs on the left appear to be hardwired together? can that possibly right? antenna, aux 1, aux 2, cable.
wtf actual
input 5 (vcr) is not so connected and is the only one acting kinda like i’d expect
what is going on
this has to be wrong clearly i must be fucking something up. maybe the board connections are extremely counter-intuitive.
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yeah that is not a number you want to see on a closed switch. that’s not a good number at all.
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@bolderbekah @elmiller0330 @ai6yr
Traveling with my #yaesu #ht #FT5 #HamRadio. bag was pulled off security conveyor belt and opened.
#TSA agent pulls out my #magnetic mount, 1/4 wave, dual band #2m / #70cm #antenna with the #coax wound around the base.
TSA agent: “what’s this?”
Me: “an antenna”
TSA agent to the agent running the X-ray: “it’s an antenna!”
I stuff it back in my bag and head to my gate. This is the first and only time this has happened. -
Schooling ChatGPT on Antenna Theory Misconceptions - We’re not very far into the AI revolution at this point, but we’re far enough to k... - https://hackaday.com/2024/11/17/schooling-chatgpt-on-antenna-theory-misconceptions/ #common-modecurrent #radiohacks #feedline #amateur #antenna #chatgpt #dipole #radio #coax #ham
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Measuring An Unknown Velocity Factor - When is the speed of light not the speed of light? Of course, that’s a trick quest... - https://hackaday.com/2024/04/19/measuring-an-unknown-velocity-factor/ #transmissionline #velocityfactor #tuningstubs #radiohacks #coax
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Get it while it's hot 🥵 https://n7komportableradio.etsy.com/listing/1698648202
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I couldn't help myself 😆
New sticker in the shop. -
POV: Your M&P order escalated thanks to the coupon code "K8MRD".
Thanks, Mike! @k8mrd
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Have you tried taking it off the wall and turning it upside down?
(Whoever designed the Virgin Media access point clearly lived on a planet without gravity. It’s left an unsightly bit of unpainted wall showing for the moment but otherwise should be far more robust now.)
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We already had Fiber-To-The-Home back when we lived in Sweden, even in our summerhouse in the middle of nowhere (at least from a Dutch perspective middle of nowhere). But now, about 7 years later we got #FTTH installed in our apartment in the center of #Haarlem. Very happy to be on #KPN fiber now. :)
To get an idea on how much better KPN FTTH is compared to my old #coax based #Ziggo connection, below you see the measured latency between Ziggo cable 1gbps and KPN 1gbps towards our #sase edge.
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Now, where did I put my T-connectors and terminators
Oh, and my NE2000 cards.
#RetroComputing #coax #OldSchool #10MbpsIsFastEnoughForEveryone
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I prototyped some orange #coax using cable sleeve material over RG-58. I'm not super impressed by the color because the black is shining through. Have to check it out in the sunlight. I hope this helps making the coax more visible when operating /p. Can't wait for M&Ps colored coax line.
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I wish Messi & Paoloni came up with a RG316 replacement. Something just as or almost as flexible, but with way lower attenuation.
#coax -
Don’t Let The Baluns Float Over Your Head - Most ham radio operators will build an antenna of some sort when they first start ... - https://hackaday.com/2023/04/29/dont-let-the-baluns-float-over-your-head/ #radiofrequency #highfrequency #transformer #radiohacks #commonmode #uglybalun #feedline #antenna #balun #choke #noise #coax #rf
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@james There is a standard for ethernet over powerline. It's called #Powerline or #HomePlug #AV2. Also, the reason they use data-over-powerline is that it removes one level of complexity. The devices no longer need a #wifi adapter to work. For instance, in the #US some cable routers (#COAX into the home, then #ethernet to the wifi #adapter) also provide that ethernet over #Powerline.
If the wifi adapter dies or breaks, the internet is still available to #Powerline devices.
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Shoot the Moon with this Homebrew Hardline RF Divider - You can say one thing for [Derek]’s amateur radio ambitions — he certainly jumps in with both feet... more: https://hackaday.com/2020/03/31/shoot-the-moon-with-this-homebrew-hardline-rf-divider/ #earth-moon-earth #amateurradio #transformer #radiohacks #dielectric #moonbounce #impedance #hardline #coax #eme #ham
