He's using it at a low IF frequency with a fixed LO (BFO) so it should still work just like using RF phase shift in some of the old phasing receivers .... with a fixed IF you can get your phase shift in the RF, IF or LO and they work about the same ...
JR --- In [email protected], KD5NWA <[EMAIL PROTECTED]> wrote: > > Somehow I'm getting the idea that you have one mixer then you shift > the outputs into I and Q signals? If that is what your planning it's > not going to work. It takes two mixers both fed the input signal but > one gets the I LO the other gets the Q LO. > > The signal being mixed at the same time on both mixers by the I and Q > LO signals is what creates the proper relationship between the > outputs so you can discriminate between images. > > At 08:57 PM 4/12/2006, you wrote: > >JR: > > > > I understand winter projects and now is outdoor time: I have a > > diagram for anyone who wants it of a single mosfet mixer followed > > by a transformer for I Q output. It is a simple idea. > > > > Enjoy the summer. > > > >Dan > > > > > > > > > >_____________________________________________________________________ > >Call Anyone, Anytime, Anywhere in the World - FREE! > >Free Internet calling from NetZero Voice > >Visit http://www.netzerovoice.com today! > > > > > > > > > > > >Yahoo! Groups Links > > > > > > > > > > > Cecil Bayona > KD5NWA > www.qrpradio.com > > "Windows the worlds most successful software virus" > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/soft_radio/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
