The circuit is from old documentation but can be implemented with any modern power MOSFET. The type of MOSFET depends only on the voltage and current of the controlled load.
This circuit can operate with 5 uV to 1 mV input signals from low impedance sources such as...
This very simple circuit with neon lamps indicates who pressed the button first, lighting the...
This circuit was originally designed for the practice of Morse code, something common in 1966, the year...