On-Chip Active Inductors: The Promising Replacements of the On-Chip Passive Inductors

Abstract

On-chip inductors have been found to be applicable in many applications for example, filter, powerconvertor and oscillator. The on-chip active inductors have many advantages over their passive counterpartsfor example, independency of inductance value from chip area, electronically tuning capability, higher Qfactor,applicability at kHz-MHz range and cost effectiveness. So, they have been found to be the promisingreplacement of the on-chip passive inductors. Hence, this paper focuses on the overview of the on-chip activeinductors. The fundamental concept and examples of on-chip active inductors are addressed. Theperformance comparison of the on-chip active inductors is also discussed. This paper should be very useful tothose who interest in the design and development tasks involving on-chip active inductors.