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Find the Problem and Designing It Out! Noise is one of the most persistent problems in analog circuit design because it is present even when the circuit is working exactly as intended. A sensor may produce a small, meaningful signal, while every resistor, transistor, amplifier, power rail, cable, and circuit board trace contributes unwanted electrical variation around it. If the desired signal is large, that variation may be harmless. If the signal is small, the same noise ca

Why the next mobile network may include the sky For most of the mobile era, a phone has connected to a tower, and the tower has connected to the wider network. That model works extremely well where population density justifies the cost of building terrestrial infrastructure. It works less well in deserts, oceans, mountain ranges, forests, disaster zones, and rural areas where a tower may be too expensive, too vulnerable, or simply impossible to reach. Direct-to-satellite comm