This circuit consists of two stages that each shift 180 degrees the signal. The circuit was proposed by Siliconix in a 1966 publication. Equivalent FETs can be used.
Found in a 90s Popular Electronics, this circuit can power a miniature railroad with voltages of 15...
ON Semiconductor Phototransistor Output Optocouplers Available from Mouser Electronics is the...
This circuit supplies a voltage of 110 V from car battery with 110 V x 100 W output. Transformer...