參數(shù)資料
型號(hào): TDA7412
廠商: 意法半導(dǎo)體
英文描述: CARRADIO SIGNAL PROCESSOR
中文描述: CARRADIO信號(hào)處理器
文件頁(yè)數(shù): 17/56頁(yè)
文件大小: 716K
代理商: TDA7412
17/56
TDA7412
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 10. Bass normal and DC Mode @ Gain = 14dB, f
C
= 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 11 shows the attenuation as a function of frequency at a center frequency of 17.5kHz.
Figure 11. Treble Control @ f
C
= 17.5kHz
0.0
2.5
5.0
7.5
10.0
12.5
15.0
10.0
100.0
1.0K
10.0K
-15.0
-10.0
-5.0
0.0
5.0
10.0
15.0
10.0
100.0
1.0K
10.0K
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