Frequency Doubler MC1595L (CB14589E)

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

Red alert (CB9082E)
This is another of the Star Trek red alert circuit that you can find on this site. We took this...
Passive tunable filter (CB7407E)
Found in American documentation from the 1980s, this circuit is a basic signal rejection filter...
sxzVoltage Sextuplicator (CB18620E)
This circuit can be used in physics experiments, in ionization and in several other applications. The...