This circuit uses a resonant reed switch at the trigger frequency. The circuit is from General Electric in a 1966 documentation. This type of component is rare today.
This interesting oscillator was obtained from an old documentation. In principle any 106 series SCR...
This simple charger has no charge indication or other features of a more sophisticated design. It only...
This circuit is a traditional configuration with the 741 Operational Amplifier and its gain is...