Hi Alan,
Thanks for posting the link to the on-line frequency calculator, very handy. That simplifies things a little more and speeds the job up a bit.
Your schematic is very nearly the same as I used except my input side resistor (from QCX CLK1) is 4K3 in series with 100 pF and on the output side I used 10K just to lighten the loading on the tank cct as much as possible while still leaving enough signal to be able to find the peak. I used an old 6 MHz CRO as a peak indicator because it has a nice high input-z just like a DVM and also gives easy visual feedback. But I did not use a detector since the signal level (in my case) was a little low due to the lighter coupling I used.
I imagine one of the capacitors included in the kit would be suitable as a reference. As the kit frequency goes up the capacitor values get smaller but so long as a suitable resonance frequency is chosen it should not matter.? BTW your test rig was much neater than mine Hi.
73,s
Des (M0AYF)
