Emitter follower (CB6811E)

This emitter follower simulator circuit was obtained in a 1964 documentation. The circuit can be designed based on a modern transistor.

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Precision rectifier with AC DC converter (CB9603E)
This circuit was found in an old American documentation. It can operate with signals from 40 Hz to...
Long interval timer (CB12648E)
The circuit shown in the figure makes it possible to trigger a load after times that can extend up to 4...
Fluorescent Inverter (CB18941E)
This circuit has as a critical component the transformer that has low voltage windings for the...