Driver for AC motor (CB8948E)

This AC motor driver circuit was found in Motorola's 1968 documentation. No information was given about the characteristics of the transformers used.

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Photodiode light sensor (CB8271E)
This circuit of a 1964 Electronic Design uses a photodiode from the time. Modern equivalent can be used....
Common Telephone Line Simulator (CB6873E)
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Front detector (CB9688E)
Found in American documentation from the 90s, this CMOS circuit detects the source of a signal and can...