This circuit was found in a British documentation from 1969. It can be implemented with modern transistors. The pass band is 6 MHz.
May 2017 - This proximity and touch controller from Azoteq can control 12 mutual channels and can...
This dimmer for 12 V incandescent lamps was found in a 1966 General Electric documentation. The circuit has...
This circuit turns off after a time that depends on C1. The circuit is from an Electronics Now...