TDA7405_04 STMICROELECTRONICS [STMicroelectronics], TDA7405_04 Datasheet - Page 16
TDA7405_04
Manufacturer Part Number
TDA7405_04
Description
EQUALIZER CARRADIO SIGNAL PROCESSOR
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.TDA7405_04.pdf
(57 pages)
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TDA7405
5.7.4 DC Mode
In this mode the DC-gain is increased by 4.4dB. In addition the programmed center frequency and quality factor
is decreased by 25% which can be used to reach alternative center frequencies or quality factors.
Figure 14. Bass normal and DC Mode @ Gain = 14dB, fC = 80Hz
Note: The center frequency, Q and DC-mode can be set fully independently.
5.8 Treble
There are two parameters programmable in the treble stage:
5.8.1 Attenuation
Figure 15 shows the attenuation as a function of frequency at a center frequency of 17.5kHz.
Figure 15. Treble Control @ fC = 17.5kHz
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2.5
0.0
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10.0
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