We found this circuit in an old oscilloscope publication. With it, it is possible to observe the B / H curve (hysteresis) of an inductor in a common oscilloscope.
In the figure we have a practical circuit for use with a magnetic transducer. The 20 M ohms...
Based on the well-known LM3909, this LED pulser circuit was found in American documentation from...
This circuit was found in old documentation but uses components that are still common. The circuit...