參數(shù)資料
型號: TDA7416
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 1 CHANNEL(S), EQUALIZER CIRCUIT, PQFP44
封裝: 10 X 10 MM HEIGHT, TQFP-44
文件頁數(shù): 4/27頁
文件大?。?/td> 564K
代理商: TDA7416
TDA7416
12/27
1.6 Equalizer filter
There are three parameters programmable in the equalizer filter:
1.6.1 Attenuation
Figure 7 shows the boost and cut response as a function of frequency at a center frequency of 1kHz.
Figure 7. Equalizer filter control @ fCenter = 1kHz, Q = 1.0
1.6.2 Center Frequency
This parameter is programmable in the filter stage 1(62/100Hz), 6(4/6.34kHz) and 7(15/16kHz) only.
Figure 8 shows the center frequencies 62, 156, 396, 1000, 2510, 6340 and 15000Hz of the 7 equalizer
filters.
Figure 8. Center frequencies @ Gain = 15dB, Q = 1.0
20
10k
100
1k
Hz
-15
15
-10
10
-5
5
0
dB
20k
10
20k
100
1k
Hz
-2
0
16
2
14
4
12
6
10
8
dB
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