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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Alternator voltage regulator (CB8699E)
We found this automotive regulator circuit for alternators in a 1965 Motorola manual. The power...
Varistor Modulator (CB21915E)
Taken from a 1956 Raytheon transistor manual, this circuit uses varistors to obtain modulation of a signal...
Phase Inverter (CB15065E)
This circuit inverts the phase of an audio signal, maintaining its intensity. The transistors can...