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.
For readers who need high continuous voltages, a low current power supply can be built with few...
This circuit was found in a 1977 documentation. It limits the voltage from a source using zener...
This conventional double time constant circuit was found in an American documentation from the...