Simple pulse extender (CB8921E)

This TTL pulse stretcher or stretcher was found in a 90's EDN. The time constant R x C1 determines the widening of the incoming pulse.

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Variable Active Cycle 4093 (CB15916E)
The oscillator shown in the figure keeps its frequency constant in an active cycle adjustment...
Hybrid Starter Circuit (CB24218E)
For bench use, this circuit functions as a bistable safety switch. The circuit is from a Radio...
Acoustic Remote Control (CB17667E)
In fact, this is the circuit also known as “vox”, that is, a relay triggered by sound. This...