A New Type of Active Simulated Inductance Standard

A new type of active simulated inductance standard is proposed to achieve high-stability inductors that are endurable for transportation. The scheme is suitable for simulating inductors from the microhenry range up to the henry range with similar electrical characteristics. Two 10 mH simulated standards have been fabricated with a target long-term stability of 1 μH/H. These standards were initially investigated using NIM’s primary inductance standard.