Engineering consultant Frank Hertel outlines a method of measuring an inductor’s value using only an oscilloscope and a signal or function generator.

Used in applications ranging from RF to power supply filters, inductors are magnetic elements with resistance and capacitance parasitics. Inductors rely on the magnetic field that forms around a ...

For the PDF version of this article, which includes equations, click here. Peak current control has long been a popular PWM method in switching power supplies [1] and has the equally well-known ...