Random neon (CB7082E)

This circuit causes the neon lamps in a set to flash randomly. Capacitors determine the speed of blinks. The supply must be made with high voltage.

| Clique na imagem para ampliar |

Emitter triggered multivibrator (CB21456E)
Found in an American documentation from 1968, this circuit uses transistors from the time. The...
Current Regulator (CB15999E)
This circuit is based on an LM123 and can supply output currents up to 3A. IB is typically 3.5A...
Two Transistors MW Radio (CB12819E)
This experimental radio was obtained in an old Argentine publication. Germanium transistors are...