High Speed Digital to Analog Converter (CB5170E)

This 8-bit converter was found in an American 1980s documentation. Motorola components are uncommon today. The circuit serves as a reference.

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Servos Control by PC Shield (CB15121E)
With this circuit, from Newton C. Braga's Mechatronics Sourcebook it is possible to control up to 5...
Rain Alarm (CB15108E)
This alarm, from a 1996 magazine, can be fitted with two BC548s in the original configuration...
Power Semiconductor Test (CB11083E)
This circuit was obtained in a June 1987 magazine Hands-On. It is a circuit that indicates on two...