TDA7419_09 Datasheet, PDF (21/40 Pages) STMicroelectronics – 3 band car audio processor

TDA7419
Description of the audio processor
4.6.2
Center frequency
Figure 10 shows the four possible center frequencies 60, 80, 100 and 200 Hz.
Figure 10. Bass center frequencies @ gain = 15 dB, Q = 1
16
12
8
4
0
-4
10
100
1K
10K
4.6.3
Quality factors
Figure 11 shows the four possible quality factors 1, 1.25, 1.5 and 2.
Figure 11. Bass quality factors @ gain = 14 dB, f_C = 80 Hz
15.0
12.5
10.0
7.5
5.0
2.5
0.0
10.0
100.0
1.0K
10.0K
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