I haven’t tried hubs, but we have an Anker USB charging station that is great. They can probably make decent powered USB hubs, too.
wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Jun 18, 2016, at 3:52 PM, Kevin <[email protected]> wrote: > > Why powered? > > Because motherboard USB ports are limited to 100ma current draw at computer > startup. Then once they reach 93% of rated voltage the limit goes to 500ma. > Maximum power draw for any one port is 2.25 watts. With an unpowered hub all > connected devices share the current/power limit. > > Get a powered hub and the seven or eight devices hanging off the hub are > guaranteed not to overload the USB port. > > > On 6/18/2016 5:30 PM, Phil Wheeler wrote: >> Get a USB3 hub while you're at it. >> >> Why powered? None of mine are. Well, maybe due to USB3 ports :-) >> >> Phil W7OX >> >> On 6/18/16 3:18 PM, Jim Kutsch, KY2D wrote: >>> I'm running out of USB ports and need a USB hub. It will serve the KUSB for >>> the KX3, KPA500, and KAT500, as well as a SignaLink and a packet interface. >>> Do any of you have a recommendation of a good, RF quiet powered hub? Are >>> there any to avoid? It would be great to be able to power it from the shack >>> 12 VDC supply rather than have yet another power brick. In the absence of >>> any info, I'm looking at an Anker 7 port powered hub that is powered from a >>> 12 VDC adapter. >>> >>> >>> >>> Thanks and 73, Jim, KY2D >>> >>> >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] >> > > > --- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
