參數(shù)資料
型號(hào): TDA7404D
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 1 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封裝: SOP-28
文件頁(yè)數(shù): 10/35頁(yè)
文件大小: 633K
代理商: TDA7404D
Description of functionality
TDA7404
4.7.2
Center frequency
Figure 11 shows the four possible center frequencies 60, 80,100 and 200 Hz.
Figure 11.
Bass center frequencies @ gain = 15 dB, Q = 1
4.7.3
Quality factors
Figure 12 shows the four possible quality factors 1, 1.25, 1.5 and 2.
Figure 12.
Bass quality factors @ gain = 14 dB, fC = 80 Hz
-4
0
4
8
12
16
10
100
1K
10K
0.0
2.5
5.0
7.5
10.0
12.5
15.0
10.0
100.0
1.0K
10.0K
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