Voltage Regulator (CB14119E)

We found this parallel regulator in a 1973 publication. Transistors admit equivalents and the output voltage can be modified by changing the zener.

| Clique na imagem para ampliar |

DC multiplier LM339 (CB15190E)
This circuit was obtained in the SGS manual of linear integrated circuits of 1982. The components used...
First line selector (CB9414E)
This interesting circuit for analog TV selects the first line of a frame. The circuit was found in a...
Biofeedback Thermometer (CB24401E)
This circuit was found in February 1976, Radio Electronics magazine. The circuit is quite...