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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Microsecond to 10 minute timer (CB21412E)
This circuit was found in an old American optoelectronics manual. The circuit makes use of an...
Neon Flasher (CB17307E)
This is a traditional flasher configuration with two neon lamps. The frequency is given by the 100 nF...
Twilight Switch (CB11511E)
This article was obtained in a French magazine Nouvelle Electronique from 1994. It can be easily...