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TDA7407 データシート(PDF) 24 Page - STMicroelectronics

部品番号 TDA7407
部品情報  Advanced car signal processor
PDF  46 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7407 データシート(HTML) 24 Page - STMicroelectronics

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Multipath detector
TDA7407
24/46
AC Outputs and the AC Input could be used as additional stereo inputs. The input
impedance of the AC Inputs is always 50K
Ω.
5.1.20
Speaker Attenuator
The speaker attenuators have exactely the same structure and range like the volume stage.
Figure 9.
Bass control @ fc = 80Hz, Q = 1
Figure 10.
Bass center @ Gain = 14dB, Q =1
-15.0
-10.0
-5.0
0.0
5.0
10.0
15.0
10.0
100.0
1.0K
10.0K
0.0
2.5
5.0
7.5
10.0
12.5
15.0
10.0
100.0
1.0K
10.0K
Figure 11.
Bass quality factors @ Gain =14dB,
fc = 80Hz
Figure 12.
Bass normal and DC mode @ Gain
= 14dB, fc = 80Hz
0.0
2.5
5.0
7.5
10.0
12.5
15.0
10.0
100.0
1.0K
10.0K
0.0
2.5
5.0
7.5
10.0
12.5
15.0
10.0
100.0
1.0K
10.0K
Note: In general the center frequency, Q and DC-mode can be set
independently. The exception from this rule is the mode (5/xx1111xx)
where the center frequency is set to 150Hz instead of 100Hz.



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