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H1-43: ULTRASONICS AND HEARING 9 years 6 months ago #797

  • zzfixk23
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ID Code: H1-43
Purpose: Demonstrate that there exist ultrasonic waves with frequencies above the range of human hearing.
Description: The oscillator drives a supertweeter at frequencies from 500 Hz to over 25 kHz. The microphone signal on the oscilloscope provides evidence that the ultrasonic waves are really there.
Availability: Available

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