This circuit was obtained from an American documentation from the 90's. Inductors are critical components of the circuit. The output is 120 V sinusoidal.
This simple charger was found in a 1980s documentation. The transistor may be the TIP42 with a...
This circuit is used to run light bulbs around street signs. Incandescent lamps up to 40 W are...
This high frequency or RF amplifier was found in a 90s Popular Electronics. The circuit can be...