The transistors of this circuit found in a 1965 magazine can be the BC558 and the sensitive 12 V x 50 mA relay. The other components are common.
This circuit is from an English publication of 1982. The bipolar transistor can be a BC548 and the...
This circuit has a load connected to the ground providing 5 W of power at 16 ohms. The circuit is from...
ON Semiconductor AMIS−3910XGEVB Evaluation Board demonstrates the features and capabilities of the...