Found in a Popular Electronics from the 90s, this circuit can be adapted to use modern operational amplifiers. The output voltage is the square root of the input voltage.
Found in old documentation, this circuit uses special discharge lamps (neon) of the time. The...
This circuit simulates a diode whose characteristics can be adjusted with a trimpot. The circuit is...
May 2017 - Mouser Electronics already has Microchip's new MCP14A0451 and MCP14A0452 integrated...