[TowerTalk] RF Quiet Router

[J. Gordon Beattie, Jr., W2TTT]

When you swap out the wall-wart, use your 12V or 13+V power supply if that
is appropriate.  I use my supply on my LINKSYS ROUTER with no problems!
FYI, some of my antennas are 20 ft above the router (and my shack!).

Vy 73,
Gordon Beattie, W2TTT
201.314.6964
w2ttt at att.net
w2ttt at att.com
w2ttt at arrl.net
 
-----Original Message-----
From: towertalk-bounces at contesting.com
[mailto:towertalk-bounces at contesting.com] On Behalf Of Jim Brown
Sent: Saturday, September 02, 2006 5:53 PM
To: Tower Talk List
Subject: Re: [TowerTalk] RF Quiet Router

On Sat, 02 Sep 2006 11:48:13 -0500, Mike Niswonger wrote:

>Try switching out the wall wart power supply. 

Yes. I include these power supplies in the list of potentially 
bad boxes. Also, try using ferrite chokes to suppress radiation 
from the power supply leads. The trash on the power leads can 
originate either on the Ethernet box or the power supply (or 
both).  

Another solution is to have one suitably-sized linear supply 
trickle-charging a battery that runs the gear. I'm gradually 
adopting this strategy as an alternative means of UPS for my 
computer networking infrastructure. In addition to the obvious 
noise reduction possibilities, conventional UPS units are power 
hogs. I've become quite conscious of this after moving from 
Chicago where I paid $0.10/kWh, to California, where I'm paying a 
graduated rate that hits $0.35/kWh. 

Jim Brown K9YC


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