Texas Instruments DEM-DAI3793A 用户手册
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Amplitude(dB)
Frequency (Hz)
0dB
-3dB
f : Center Frequency
c
f : Bandwidth Frequency
b
Notch Filter 1 Coefficient, Notch Filter 2 Coefficient Options
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