We found this circuit in a 1969 documentation. The tubes are of well-known types, but still not as easy to find as the transformer. The circuit uses a 100 kHz crystal and generates signals up to 20 MHz.
We found this circuit in a 1969 documentation. The tubes are of well-known types, but still not as easy to find as the transformer. The circuit uses a 100 kHz crystal and generates signals up to 20 MHz.
