Ключевые слова: amplitude, analog, analysis, analyzing, curve, device, diagram, digital, display, education, electric, electrical, electricity, electronic, engineer, engineering, equalizer, equipment, experiment, frequency, graph, grid, industrial, instrument, lab, laboratory, level, load, measurement, measuring, meter, monitor, oscilloscope, pulsating, sawtooth signal, science, scientific, screen, signal, sine, sine wave, square wave, tech, technical, technology, test, wave, waveform,