Film marker (CB8347E)

Used with old projector films, this circuit found in Signalite documentation from the 1980s, records digital information on 35 mm films.

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Power monitor (CB8706E)
This circuit was found in a 90s Hands On Electronics. It monitors the presence of voltage in a...
Voltaje Follower MC1439 (CB4016E)
This unit gain circuit has a very low output impedance. The circuit is of the Linear Databook of...
Shunt motor control (CB7939E)
Found in 1965 General Electric technical documentation, this half-wave circuit controls shunt type...