TDA7404 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7404

Car radio signal processor

STMicroelectronics 

Description of functionality

TDA7404

4.8

4.8.1

4.8.2

Treble

There are two parameters programmable in the treble stage:

Attenuation

Figure 14 shows the attenuation as a function of frequency at a center frequency of

17.5 kHz.

Figure 14. Treble control @ fC = 17.5kHz

20

15

10

5

0

-5

-10

-15

-20

10

100

1K

10K

Center frequency

Figure 15 shows the four possible center frequencies 10 k, 12.5 k, 15 k and 17.5 kHz.

Figure 15. Treble center frequencies @ Gain = 15 dB

20

15

10

5

0

-5

10

100

1K

10K

20/35

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