This circuit is from a 90s 73 Amateur Radio Today. The circuit uses a MOSFET to provide 10 W of output from a 2 W input.
This circuit can function as a light alarm by changing the sound when light falls on the sensor....
In this circuit the photo-transistor signal is amplified by a Darlington step and then applied to a...
This is a traditional complementary-output transistor amplifier sourcing 2 to 4 watts to a 4 ohm...