[RFI] GE Microwave
ka5s at earthlink.net
Mon Aug 27 16:59:46 EDT 2012
How about a 15 Amp power-line filter instead?
On 8/27/2012 1626, Missouri Guy wrote:
> I've heard that some microwaves use switching power
> supplies instead of a *heavy*, conventional transformer.
> If your appliance uses the switching supply, chances
> are that it's "on" all the time so the controls are powered up.
> That could be the source of your noise. You might try a
> common mode choke on the power cord...see if that makes
> a difference. Study the choke info on K9YC's website!!
> Charlie, N0TT
> On Mon, 27 Aug 2012 13:09:47 -0700 "Richard Saunders (K6RBS)"
> <g0ery at cox.net> writes:
>> I've had a problem with nose on 10M for some time. It is continiuos
>> and starts around 26 Mhz and drops off around 31.5 Mhz. In AM more I
>> hear S7 wide band white noise with an embedded a/c buzz.
>> This weekend I isolated the problem by turning the power off to the
>> house and doing a biniary search with the breakers until I found
>> that it is an in-built GE Microwave model PVM1870DM3SS.
>> If does have an option to turn off the display but unfortunately
>> that didn't help. For now it is unplugged and my noise on 10M is
>> Any help would be appreciated.
>> 73 - Richard K6RBS & G0ERY
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>> RFI at contesting.com
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