This circuit can generate signals in the range from 1 to 20 kHz, depending on the crystal. The circuit is from an 80's American documentation, but is current by the transistor used. Capacitors must be ceramic.
This circuit can generate signals in the range from 1 to 20 kHz, depending on the crystal. The circuit is from an 80's American documentation, but is current by the transistor used. Capacitors must be ceramic.