Damped tone generator (CB8842E)

This circuit uses an unusual electromechanical component: a mechanical blade resonator. The circuit is from a 1965’s Electronic Design.

| Clique na imagem para ampliar |

Process control interface (CB7831E)
This shield was found in a 90’s Popular Electronics. The circuit can be implemented with modern...
Electrolytic recoverer (CB7074E)
This circuit aims to recover electrolytic capacitors by applying currents higher than normal for a...
Stepper Motor Control SAA1027 (CB16007E)
This circuit uses a dedicated Philips integrated, which consists of a stepper motor control from 3...