參數(shù)資料
型號(hào): TDA7404DTR
廠商: STMICROELECTRONICS
元件分類(lèi): 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): 6/28頁(yè)
文件大?。?/td> 521K
代理商: TDA7404DTR
TDA7404D
14/26
1.7.4 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 11. Bass normal and DC Mode @ Gain = 14dB, fC = 80Hz
Note: The center frequency, Q and DC-mode can be set fully independently.
1.8 Treble
There are two parameters programmable in the treble stage:
1.8.1 Attenuation
Figure 12 shows the attenuation as a function of frequency at a center frequency of 17.5kHz.
Figure 12. Treble Control @ fC = 17.5kHz
0.0
2.5
5.0
7.5
10.0
12.5
15.0
10.0
100.0
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10.0K
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相關(guān)PDF資料
PDF描述
TDA7404D 1 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
TDA7405TR SPECIALTY CONSUMER CIRCUIT, PQFP44
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