Simple sample circuit (CB8874E)

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

| Clique na imagem para ampliar |

Hartley PNP Audio Oscillator (CB11946E)
This simple audio oscillator produces signals reproduced on a loudspeaker, in a frequency range...
High Voltage Electrolytic Capacitor Test (CB6885E)
This circuit, when connected to the 110 V power grid makes it possible to test capacitors with...
Constant amplitude phase inverter (CB8144E)
Found in a 1969s American documentation, this circuit uses transistors from that time. The...