《and Impedance Beads》.pdfVIP

Engineering Note ILB, ILBB, IMC, ISC, IFC Vishay Dale Circuit Simulation of Surface Mount Inductors and Impedance Beads INTRODUCTION With the advent of higher component densities, smaller components, and reduced design to market times, many of 100 000 today’s complex circuits are designed using a computer and circuit simulation software rather actual physical bread boarding. 10 000 SRF e c n Real Inductors can be one of the most difficult passive a Approx. 20 % SRF d components to accurately simulate, due to their inherent e p m parasitic capacitive and resistive elements. These parasitic I 1000 elements are the result of the resistance and turn-to-turn Ideal capacitance of the current conductor, which will affect the characteristic impedance of the inductor, particularly at higher frequenc