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Aubraux designs and develops software for measurement and analysis of jitter, signal integrity and timing of high speed digital signals.

EFJohnson provides digital Project 25 compliant interoperable wireless communications systems solutions for federal, state and local agencies involved with homeland security and public safety.

Fourier Series, Fourier Transform, Laplace Transform, Z transform, Butterworth, Chebyshev and elliptic filters, IIR and FIR Filters, P, PI, PD and PID Controllers, Root Locus, Circuit Analysis and Circuit Simulation with spice

Resources and analysis for electronics engineers: reference, tutorials, informed articles, jobs, events calendar, bookshop.

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RP Photonics Consulting GmbH, provider of technical consulting services in areas like laser design, amplifiers, nonlinear optics, fiber optics, fiber lasers and amplifiers, ultrashort pulses, multilayer optics, noise in optics, and optoelectronics.