First pulse preserver (CB9259E)

This circuit was found in a 1967 EEE. The components are from that time, but the circuit can be implemented with modern equivalent components.

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Hybrid MW radio (CB20516E)
With the name of transitube we find this MW receiver in documentation from the 50's. It uses a...
Positive and Negative Voltage Source (CB19212E)
This circuit can provide both positive and negative voltage outputs from 2 to 12 V with current up to...
Isolation Circuit for RS-232 (CB12773E)
In critical applications of the RS-232 interface, the danger of induced voltages in the cables must...