[Elecraft] slightly OT -- acceptable network switch (aka, Linksys produces birdies)

[Dave B]

On 04/02/16 19:05, elecraft-request at mailman.qth.net wrote:
>> I then plugged it back in, and went to the office and
>> >disconnected the power from the Linksys switch. Noise is gone again.
>> >
>> >So, I'm looking for a new network switch. Does anyone have advice on what
>> >has worked for them?
>> >
>> >Alternately, any idea on how to get the network switch from producing these
>> >awful birdies?
>> >
>> >I'm*not*  looking for a new router -- but just a switch.
>> >
>> >Thanks.
>> >-john NE4U
>> >Madison, WI

Are you *Sure* it's the switch?   Check the WallWart PSU it has, 
probably a dirty cheap SMPS thing.
Replace with a linear type PSU ("non grounded" on the output) or battery 
for a test, to see if that makes things quiet again.

73

Dave G0WBX.