[ARC5] What the heck is a "1/2 harmonic Q-5er?

[Doran Platt]

And I quote from the ER article ..."With the BC-453 tuned to 415 kHz, its LO is running at 415 plus 85 kHz, or 500 kHz.  The 2nd harmonic of the oscillator is 2X 500 kHz or 1000 kHz.  When your 915 kHz IF frequency beats against the 1000 kHz you get 1000 kHz minus 915 kHz, or 85 kHz....."  Whew........  So, my description was/is in error and its 415, not 407...!
Jeep K3HVG



> On May 11, 2020 at 8:41 AM Doran Platt <jeepp at comcast.net> wrote:
> 
>     OK, here's the photo of the setup.  I'm trying to massage Joe to get his info again.  What can I say... although the dial does seem to indicate 415???   Oh well... let's see if the pix makes it through?
>     Jeep K3HVG
>      
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