This circuit was found in Delco documentation from 1965. The transistor is of the time, but any current power PNP with at least 500 mA collector current and 100 V collector voltage can be used.
This power supply was originally developed for the CIR10160, but can be used with other VHV (Very...
We found this circuit in an old American documentation. The circuit can be applied to modern...
We found this circuit in a Philips documentation from 1965. The circuit uses a common LDR sensor...