Unijunction stair generator (CB9339E)

This circuit was obtained in an American documentation of 1964. The transistors are of the time. The circuit includes a counter circuit.

| Clique na imagem para ampliar |

10 W amplifier TCA940N (CB15216E)
The integrated circuit used is not common today. The circuit is from the SGS linear integrated circuits...
Ultrasonic repellent 555 (CB24911E)
This circuit includes the power supply from the power grid. We found it in Radio Electronics from...
Analog Differentiator (CB26046E)
This circuit was found in the April 1998 issue of Electronics Now magazine. The circuit uses...