We find this circuit in an old American manual from the 80's. The circuit has a memory that keeps the output high for a certain period of time, as shown in the chart next to the diagram. The time is on the order of 10 seconds.
![](/images/stories/cir/225312532023_143853_0001.gif)
We find this circuit in an old American manual from the 80's. The circuit has a memory that keeps the output high for a certain period of time, as shown in the chart next to the diagram. The time is on the order of 10 seconds.