FET Switch (CB6725E)

This switched filter was found in the 1969 documentation. The FET should be current-matched and eventually equipped with a heat sink.

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9V power source (CB21164E)
This simple circuit with a 5V regulator was found in an American documentation from the 90's. The...
Source follower (CB7471E)
This circuit has a very high input impedance and a very low output impedance. We found it on a...
Capacitive Load Amplifier TL081 (CB15312E)
This amplifier, from Motorola's Linear Interface ICs of 1993, is indicated for the excitation of...