This oscillator was found in a 1967 EEE. The transistor supports a modern equivalent. The power supply is 20 V.
This simple circuit for a common 110 V power grid was found in a 1980s American documentation. The circuit uses...
What this circuit does is to stretch a pulse, increasing its duration. The integrated circuit is...
This simple circuit was found in a 2001 documentation. With each touch of CH1, a 4017 output...