The integrated circuits used in this oscillator are not very common today, as we obtained it in documentation from the 1980s. The circuit must be powered by a symmetrical source.
This small inverter that produces high voltage from a 6 V source was found in an American...
This circuit uses a lower frequency crystal in an excitation system for an oscillator with a coil...
This circuit was obtained from a 1966 magazine but can be easily assembled using the 2N2646 as a...