TDA7719TR(2008) データシートの表示（PDF） - STMicroelectronics

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TDA7719TR
(Rev.:2008)

3 band car audio processor

STMicroelectronics 

Description

4.6.3

Bass quality factors

Figure 11 shows the four possible quality factors 1, 1.25, 1.5 and 2.

Figure 11. Bass quality factors @ gain = 14dB, fC = 80Hz

TDA7719

4.6.4

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 12. Bass normal and DC mode @ Gain = 14dB, fc = 80Hz

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The center frequency, Q and DC-mode can be set fully independently.

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