[HBR] Swapping IF and 1st osc frequencies

Walt Hutchens waltah at earthlink.net
Fri May 21 16:50:55 EDT 2010


Whoops!

> ... and you'll have only the selectivity provided by your RF and
> mixer tuned circuits plus whatever your antenna setup does for you.

<SNIP>

> ... once you get past the RF stage, there's no difference in the gain at these
> two frequencies.

I completely ignored the selectivity of the 1st IF itself.  My
conclusion stands, but these statements are false.

Walt
KJ4KV




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