Delayed Pulse Generator (CB6470E)

This circuit was found in a 1967 documentation. The switch diode is a component of the time and is difficult to find today.

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Contactless temperature sensor (CB7109E)
Found in an American documentation from 1968, this circuit senses the temperature through an...
Voltage Level Detector (CB4660E)
This circuit is intended to trigger an alarm when the input voltage exceeds one value and to...
6 W Amplifier (CB4934E)
This 80's amplifier delivers 6 W of 8 ohm speaker power without using an output transformer....