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Setting up 1/3 or 1/6 octave sweeps for 2700 Series analyzers
Created 05 Jun 2009
Question:
I would like to do a 1/3 octave spaced sweep on my 2722 analyzer. In the sweep panel, I see I can set start frequency, stop frequency, and steps. What settings should I use?
Answer:
For a normal response measurement over the human hearing range, set the start frequency to 20 kHz and the stop frequency to 20 Hz. Using 1/3 octave spacing over those 10 octaves, you would set the number of steps to 30. Similarly, for octave spacing you’d have 10 steps, and for 1/6 octave spacing you’d have 60. Note that the total number of graphed points is one more than that, because it includes the starting point.
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