This circuit can generate signals up to a few megahertz, depending on the transistor used. The circuit is from a 1986 Sylvania publication. The transistor used is germanium from that time and the coil depends on the frequency generated.
This circuit can generate signals up to a few megahertz, depending on the transistor used. The circuit is from a 1986 Sylvania publication. The transistor used is germanium from that time and the coil depends on the frequency generated.