This circuit was found in a 1968 General Electric documentation. It has an input impedance of 2 M ohms and excites a load of 16 ohms. The integrated circuit of the time is the PA237.
This circuit meets applications in remote control. It allows to control a motor from input pulses. The...
This circuit emits a warning sound when night falls. The circuit is from a Hands On Electronics from...
This circuit can operate between frequencies from 1 to 15 MHz depending on the coil. For 3.5 MHz...