The frequency of this Pierce oscillator, found in 1969 documentation, depends on the crystal. The current in the drain is about 500 uA. Crystals from other frequencies can be used.
Touching the sensor with your fingers, this circuit produces a machine gun sound. The circuit must...
August 2017 - STMicroelectronics' BlueCoin development environment is available at Mouser...
We found this circuit in an old documentation. Its purpose is to turn on warning lights when the...