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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Analog multiplier (CB7392E)
Suggested by Fairchild in a 1980s publication, this multiplier uses operational amplifiers from that...
Touch Switch (4) CB12189E (CB12189E)
We found this circuit in an English publication from 1980. It provides a logical output signal when...
5W amplifier (CB17330E)
This unusual amplifier configuration is from 1986. The circuit has a high resting current given the...