This circuit was found in a Radio Electronics from 1970. The coupler with LDR is from that time, but the circuit can be adapted to use modern components and act as a shield.
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...