Frequency Doubler MC1595L (CB14589E)

We found this circuit in Motorola's Linear Databook in 1990. The component used is not common today.

Residential Alarm (CB16909E)
This 1995 circuit uses interruption sensors or NC connected in series in any quantity. With the...
Lightning detector (CB19966E)
This circuit, suggested by a 1975 documentation, detects an electrical discharge in a storm by...
Absolute Value Circuit (CB7070E)
Found in an old Electronic Design, this circuit provides an output voltage that is the absolute...