Avalanche Oscillator (CB7112E)

Found in a General Electric documentation from 1970, this circuit consists of a relaxation oscillator that uses a transistor from that time.

| Clique na imagem para ampliar |

Contactless inition (CB6386E)
This circuit is from an ancient American documentation. The transistors are of the time and the...
Symmetrical Inverter (CB6647E)
This circuit reverses the signal if both positive and negative. We found it in an American...
Two transistor sinusoidal oscillator (CB9192E)
Found in Popular Electronics from the 90's, this circuit can generate sinusoidal signals up to...