Pulse sampling (CB8881E)

This circuit was found in a 1966 EEE. Transistors support modern equivalents and the waveforms are given next to the diagram.

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Infrared receiver (CB6836E)
Found in old documentation, this circuit uses components that are still common on the market. The...
Flashing night light (CB6799E)
This circuit was obtained in a Electronics World of 1968. The transistors can be equivalent as the BC558...
25 W Public Address Amplifier (CB6276E)
Found in an Electronics World of 1966 this circuit is intended for use with a microphone as an...