- Texas AIP Consumer Audio User's Guide
www.ti.com
Amplitude(dB)
Frequency(Hz)
0dB
-3dB
f :CenterFrequency
c
f :BandwidthFrequency
b
Notch Filter 1 Coefficient, Notch Filter 2 Coefficient Options
Figure 3-15 illustrates the notch filter characteristic. All users can select any frequencies that can be used
by the application system based on the notch filter coefficient theory discussed here.
Figure 3-15. Notch Filter Characteristic Model
Figure 3-16. Example of Measured Notch Filter Characteristic
SBAU127 – July 2007 Set-Up Guide 33
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