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.
This circuit is suggested by the Linear Applications Handbook of National Semiconductor, being used...
This circuit was found in a Popular Electronics of the 1980s. The microammeter may be the lowest...
This CMOS oscillator has the signals produced by a 4093 that excites a flip-flop. The circuit can...