[R-390] Image problem solved - Not.

[Flowertime01 at wmconnect.com]

Roy,

Good points.

Most of the stuff I hear then has to be mixed products.
Because the side bands are not doubled and sounding like garble.

I have a bunch of mixed signals hear from a local powerful AM station.
I have always liked in urban areas and have just accepted the birdies.

Roger.
> 
> 
> 
> 
> 
> At 10:15 PM 10/25/2007, Flowertime01 at wmconnect.com wrote:
> >Tony,
> >
> >If you have one and only one station giving you a second harmonic you have 
> no
> >problem. Its easy to get enough second harmonic from an AM station.
> 
> Just a fine point that may help:  A harmonic from an AM station does not 
> sound like the fundmental signal. All the signal is doubled (or trippled) 
> including the modulation sidebands. So it won't sound right.
> 
> A mixing product will sound right or at least more intelligible.  Some 
> other signal combines with the AM station one to produce a signal shifted 
> in frequency, just like in the receiver as signals are mixed (usually down 
> in frequency) to the lower IF frequency.
> 
> I think that in this situation, a lot can be learned with a signal 
> generator fed into the antenna jack.
> 
> Roy
> 
> 
> 

   </HTML>