Sentences with phrase «audio oscillators»
Starting off with audio oscillators, the company quickly expanded into a range of electronic test equipment products like voltmeters, oscilloscopes, wave analyzers and so on.
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They discovered that if you increased the positive feedback in an audio amplifier enough then it became an oscillator, and if you continued to increase the gain eventually it output white noise, a signal that appeared to be random (rather like the weather: --RRB-