[Elecraft] Powered USB hub for multiple KUSB

[Walter Underwood]

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 <kstover at ac0h.net> 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
>>> 
>>> 
>> 
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> 
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