[RFI] RFI quiet USB 3.0 hub
k8ri at rogerhalstead.com
Sun Feb 2 02:54:55 EST 2014
On 2/1/2014 10:00 PM, Jeff Blaine wrote:
> Any experience on USB 3.0 hubs?
> I realize asking about the “RFI” from a USB device (considering it’s essentially a digital amp with tons of harmonics and a lot of handy antennas plugged into it) is a bit of a stretch. But thought I would ask anyway...
I run 4 Major computers with PCI cards giving additional USB capability.
Two are in the den with one connected directly to the rig.
A similar configuration is in the shop. The computer are about 2 feet
apart and 4 feet from the rigs. The USB is not yet hooked to the rigs
in the shop at present, but it was for some time.
The computers are on a gigabit, CAT6 LAN which also has dual band
wireless capability that links to smart phone and tablets.
There has been no RFI from this setup 160 through 6 meters on either
station which is setup for SO2R. No RFI suppression has been required
There is a 5th computer, but it's quite a bit farther from the rigs
although it is on the same network.
73 and good luck,
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