[sdiy] 3046 vco help?

[Dave Manley]

 On Thu 11/08/18  3:13 PM , "Magnus Danielson" magnus at rubidium.dyndns.org sent:

> It is amusing to note that in order to get good quality measures on 
> really high quality crystal oscillators, one mix them down to audio 
> frequencies, and then analyze that. Mixing 10 MHz down to 100 Hz gives a
> time-resolution gain for 100000. Tricks are then done to remove the 
> noise of mixing oscillator and other parts... putting the noise-floor 
> below the components being used.

And if you play this audio backwards you'll hear: "Paul is dead"?

Thanks for the handwaving, and references.

-Dave