Simple sample circuit (CB8874E)

Based on common unijunction transistors, this 1968 General Electric circuit is powered by 12 V.

| Clique na imagem para ampliar |

Voltage regulator (CB8475E)
This basic configuration of voltage regulator using operational amplifier and zener was found in a...
Transducer 555 Oscillator (CB8119E)
This circuit was obtained in a 90’s Popular Electronics. The frequency depends on C1, a component...
Automatic Voltage Regulator (CB26212E)
We found this circuit in the 1990 Radio Electronics Special Projects magazine. The circuit has a...