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The oscilloscope has been a shining example of innovation in electrical testing disciplines for more than 50 years. It has remained a vital tool for scientists, engineers, and professionals working in fields like aerospace and defense ever since it was first developed. In contrast to conventional meters, which only display numerical data, an oscilloscope shows test signals visually, revealing complex characteristics including amplitudes, frequencies, forms, and distortions. This article explores the oscilloscope’s historical significance, development, and essential function in contemporary testing techniques.
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