This circuit is from an Electronics World of 1968. The transistors are of the time and the power is supplied with a voltage of 40 V. The circuit is high fidelity.
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...