This voltage follower or amplifier with unit gain uses an unusual operational amplifier nowadays. The circuit can be implemented to use modern operationals. The power supply must be symmetrical.
This circuit causes a sequence of LEDs to run so fast that our eyes cannot detect the change. The...
With this circuit it is possible to vary the resistance by adjusting the mark/space reaction of...
In the figure a circuit that is the basic application of NE567 for the detection of a tone applied to...