JSTOR Daily

Diffraction in the High Frequency Regime by a Thin Layer of Dielectric Material I: The Equivalent Impedance Boundary Condition

SIAM Journal on Applied Mathematics, Vol. 59, No. 3 (Dec., 1998 - Mar., 1999), pp. 1028-1052 (25 pages) We discuss in this paper a generalized impedance boundary condition that can be used locally to ...
Electronic Design

Inductor's Equivalent Circuit Yields True Picture of Losses

An inductor's apparent inductance varies with the measurement method and frequency. William Hays, BH Electronics, Inc., Marshall, Minn. Inductors range from RF coils used in communications through ...
EDN

Using the substitution theorem to derive Thevenin resistance values with SPICE

Thevenin and Norton equivalent circuits [1-3] are a valuable analytical tool for circuit designers and researchers. How to obtain the Thevenin resistance and Norton conductance of a network with ...

1MHz High-Frequency Low-Impedance Operation: HeYue Automotive Grade Aluminum Electrolytic Capacitors Lead the Industry to New Heights

The Secret of Low Impedance at 1MHz High Frequency** Traditional aluminum electrolytic capacitors often exhibit a sharp rise ...
Electronic Design

Overcome Mismatched Load Impedance in Arbitrary Function Generators

Waveforms produced by AFGs can be impacted by cable mismatches. Here’s a novel approach to solving this problem without an oscilloscope. Arbitrary function generators (AFGs) are used to generate many ...
EDN

Minimizing passive PWM ripple filter output impedance: How low can you go?

Simplicity and low cost sustain the popularity of passive PWM DAC ripple filters despite their limitations. One of these limitations is a high output impedance caused by the series sum of filter ...