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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60 W Amplifier (CB6172E)
This circuit is from Delco Radio found in a 1968’s documentation. The transistors are of the time...
Mini Timer (CB498)
Up to some minutes intervals can be obtained from this circuit. The circuit can use a lamp (or...
Complementary Amplifier (CB4285E)
This circuit with germanium transistors was found in a 1980s documentation. The circuit makes use...