This circuit was found in a 90’s Popular Electronics. The power transistors must be equipped with radiators and the transformer has a 2 to 5 A secondary.
We found this circuit in a publication for radio amateurs in 1974. The bipolar transistors can be...
Found in a 1980s American documentation, this circuit has a current consumption of only 1 mA. The...
This adjustable power supply was found in Ferranti's transistor manual from 1974. Power...