參數(shù)資料
型號: TDA7405
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44
封裝: 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44
文件頁數(shù): 4/57頁
文件大?。?/td> 750K
代理商: TDA7405
Obsolete
Product(s)
- Obsolete
Product(s)
TDA7405
12/57
5.4 Loudness
There are four parameters programmable in the loudness stage:
5.4.1 Attenuation
Figure 6 shows the attenuation as a function of frequency at fP = 400Hz.
Figure 6. Loudness Attenuation @ fP = 400Hz
5.4.2 Peak Frequency
Figure 7 shows the four possible peak-frequencies at 200, 400, 600 and 800Hz
Figure 7. Loudness Center frequencies @ Attn. = 15dB
dB
Hz
-25.0
-20.0
-15.0
-10.0
-5.0
0.0
10.0
100.0
1.0K
10.0K
dB
Hz
-20.0
-15.0
-10.0
-5.0
0.0
10.0
100.0
1.0K
10.0K
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