This circuit was obtained in the 1990 Motorola Linear Databook. The circuit uses a 139 series comparator, but other series can be used. The power source need not be symmetric.
Found in documentation from the 1970s, this reducing regulator uses integrated circuits and...
This typical two-transformer push-pull step circuit can be found on many small old radios and...
In the event of a short in the output, the relay disarms interrupting the supply. To reset this...