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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MW Receiver (CB4616E)
The circuit presented is a simple MW tuner that can be plugged into the input of any audio...
MW or SW Tuner (CB4161E)
This circuit was obtained from an ancient American documentation. The coil consists of 80 to 100...
Comparators for opposite polarities (CB9590E)
This circuit was found in a 1980s documentation, using a comparator from the time. The...