This circuit was found in an Electronics Now from the 90's. The integrated regulator circuit and the power transistor must be equipped with heat radiators.
The author of this project found in a 1983 publication says that he uses this mini amplifier as a...
The LM150, 250 and 350 series are manufactured by several semiconductor industries that suggest...
In the figure we have the way of using a transconductance amplifier (OTA), LM3900 as a simulated...