Balanced Modulator MC1594 (CB14588E)

This circuit is from the Motorola Linear Databook from 1990. The integrated circuit used is uncommon 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...