The resonant circuit depends on the crystal frequency that can go up to a few megahertz. The transistor may be a general purpose NPN such as the BC548. Capacitors must be ceramic.
![](/images/stories/cir/225512552023_143755_0001.gif)
The resonant circuit depends on the crystal frequency that can go up to a few megahertz. The transistor may be a general purpose NPN such as the BC548. Capacitors must be ceramic.