This circuit was obtained in an American documentation from the 80's. The transistors can be equivalent to those indicated and the crystal can reach a few tens of megahertz.
This circuit may be of interest to restorers of old video equipment. We found it in the Radio...
This oscillator takes advantage of the inductance of a high impedance magnetic earphone to...
This circuit is from an 80's American documentation. The circuit uses components of the time which...