This small source for low consumption projects was found in an old national documentation. The transistor is for general use and the transformer has 50 to 100 mA of secondary current.
The operational amplifier is not very common today, but in its place an equivalent, even of...
We found this circuit in a documentation from 1966. The transformer is output for transistors. Resistors...
This circuit in the National Semiconductor Fast IC Power Transistor manual uses a special power...