Blown Fuse Alarm (CB6109E)

We found this circuit in a 1967 Electronic design. However, it can be easily implemented even today as it uses only common diodes.

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Rain Detector (CB6664E)
Found in an Electronic Design and 1970s, this circuit uses transistors of the time. The...
Blown Fuse Alarm (CB6109E)
We found this circuit in a 1967 Electronic design. However, it can be easily implemented even...
Astable Multivibrator LM3900 (CB5053E)
A rectangular signal can be generated with the figure setting. The values given in the circle...