Simple 6 or 9 V power supply (CB24317E)

This 1-transistor circuit for currents up to 50 mA was found in the August 1974 Radio Electronics magazine. The transformer is 50 to 200 mA.

| Clique na imagem para ampliar |

Optical Transmitter (CB4944E)
This circuit can be used in a single optical link or optical communication system and even using an...
Low Pass Filter or Integrator (CB13209E)
This circuit was found in an old Motorola documentation from the 70s, as it uses one of its...
Negative source from 12 V (CB8849E)
Found in a 90s 73 magazine, this circuit provides an output of 1.5 A with 24 V from a 12 V source....