Re: IF frequency

On Mon, 30 Jan 2006 23:20:51 GMT in sci.electronics.basics, Rich
Grise <richgrise@xxxxxxxxxxx> wrote,
>He seems to think that it's common, or done at all, for the LO to be
>_added_ to the received frequency, resulting in an "IF" that's the _sum_
>of the frequencies.

I gather this system is used in premium wideband scanner designs so
that image frequencies are far away and easily filtered out of the
very high freq 1st IF.

.

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