Gabriel Beddingfield wrote:
> On Fri, May 28, 2010 at 12:39 PM, Gabriel M. Beddingfield
> <gabrbedd@email-addr-hidden> wrote:
>
>> The 100 Hz (being 2x 50Hz, the power freq. in Italy)
>> suggests that it is probably related to some manner of
>> power supply. However, I have no theory why we're
>> getting 2x 50Hz (and I think I need one :-)).
>>
>
> Doh! When the AC wave is rectified, it results in a signal that is 2x
> the freq. because the negative part gets inverted. That's why we see
> 100 Hz instead of 50 Hz.
>
> -gabriel
>
On card A or X?
Why AM and not additive signals?
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Received on Sat May 29 00:15:04 2010
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