Servo 30 W amplifier (CB8953E)

This servo circuit was found in 1969 Motorola documentation. Integrated circuits and transistors are types of the time, hard to find today.

| 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...