This sophisticated workbench power source was found in 90s Radio Electronics. The maximum current is 15 A and the voltage can go to 37 or 42 V output.
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...