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Differential Sound Demo I (OW-B-DS)

Differential Sound Demo I (OW-B-DS)



Demonstrates beats both audibly and visibly.

LAB EQUIPMENT

1.  Oscilloscope (Philips)
2.  2  HP oscillators
3.  Speaker (Auratone) w/phono-DB adaptor
4.  2  BNC to DB leads
5.  DB-DB lead
6.  Adaptor, BNC tee (f-m-f)

USE HP OSCILLATORS — PASCO DO NOT WORK WELL


  • Description

    Product Description

    DIRECTIONS

    1.  Connect the equipment as shown below.
    2.  Set the oscillators to nearly identical frequencies.  (Try 2000K)
    3.  Adjust the oscilloscope settings until you see a sine wave.  (Toggle A switch to 20 mv and toggle MTB switch to .2 ms.)
    4.  As you vary the frequency of one oscillator slightly, listen and see the beats produced on the oscilloscope.