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3C55.85 - Acoustical Filters - Stewart Filters

Code Number: 3C55.85
Demo Title: Acoustical Filters - Stewart Filters
Condition: Good
Principle: Filters and Filtering
Area of Study: Oscillations & Acoustics
Equipment:
Stewart Filters, microphone, small speaker with wave generator or laptop computer
Procedure:
We have available to us several filters built by G. W. Stewart during his tenure here at the University of Iowa. Stick a small speaker in one end and a microphone in the other to see their spectrograms. We usually use MatLab for this.