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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CB15908E Photodiode Amplifier (CB15908E)
This circuit is suggested by National Semiconductor and has an excellent gain, for a photodiode as a...
Incandescent Light Effect (CB11374E)
With the circuit shown, when the brightness of one lamp decreases, that of the other increases. There is...
Differential thermometer (CB9489E)
We found this circuit in an Intersil documentation. Temperature sensors are special components of the time,...