Linear photometer (CB7366E)

This circuit was found in a 1967 Philips publication. Transistors support equivalents and modern equivalents can be used.

15 V x 1 A Power Supply Using the LM723 (CB862E)
The output voltage is adjusted by the trimpot. The power transistor mist be mounted on a heatsink. The 3.9...
Simple MW Radio (CB4359E)
Originally, this circuit is from an English magazine, but I found it in Argentina's Radio Chassis...
Retriggerable Monostable Using the 4047 (CB136)
The previously mentioned versions of monostable multivibrators in this section are not...