CCO metal detector schematic

[metaldetector107]

Hi ALL

please does any one have a schematic of CCO metal detector from Thomas Scarborough Book 3

thank you very much

[Qiaozhi]

Hi ALL

please does any one have a schematic of CCO metal detector from Thomas Scarborough Book 3

thank you very much

Is this what you're looking for?

[Max]

Is this what you're looking for?

it's a BFO

But what's the name he proposed for it ????

Kind regards,
Max