TDA7402_07 Datasheet, PDF (24/71 Pages) STMicroelectronics – Car radio signal processor

Audioprocessor part
TDA7402
4.7
4.7.1
Treble
There are two parameters programmable in the treble stage:
Attenuation
Figure 13. shows the attenuation as a function of frequency at a center frequency of
17.5kHz.
Figure 13. Treble Control @ f_C = 17.5kHz
15.0
10.0
5.0
0.0
-5.0
-10.0
-15.0
10.0
100.0
1.0K
10.0K
4.7.2
Center frequency
Figure 14. shows the four possible center frequencies 10k, 12.5k, 15k and 17.5kHz.
Figure 14. Treble center frequencies @ gain = 14dB
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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