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Traditional RF board design strategies based on circuit simulation worked at lower frequencies and relatively large spacing between components. Higher frequencies and densification dominate RF designs now, where corresponding wider bandwidths and tighter layouts with closely spaced components produce more complex 3D… Read More
Next up in this series on modulated signals is an example of multi-dimensional EM design challenges: RF power amplifiers (PAs). Digital pre-distortion (DPD) is a favorite technique for linearizing PA performance. Static effects are easy to model and correct, but PAs are notorious for interrelated dynamic effects spoiling … Read More
