The circuit is from an old American publication. We can mount it with the BC548 and TIP31. The input voltage can reach 30 V. The NTC keeps the output constant. The trim trimpot can be 22k or 47k.
The circuit is from an old American publication. We can mount it with the BC548 and TIP31. The input voltage can reach 30 V. The NTC keeps the output constant. The trim trimpot can be 22k or 47k.
