12 V x 50 mA Regulator CB8803E (CB8797E)

Found in a Philips documentation from the 90s, this circuit uses transistors from that time. Modern general-purpose transistors can be used.

| Clique na imagem para ampliar |

12 V to 110 or 220 V Inverter (CB17056E)
Depending on the transformer used, the power of this inverter can reach 300 W. This is a critical...
Emergency Light (CB13151E)
This circuit from an old American publication uses a 12 V transformer and an incandescent lamp in an...
Super regenerative detector (CB24292E)
This circuit with an unusual configuration was found in the January 1974 issue of Radio...