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NTP8230 参数 Datasheet PDF下载

NTP8230图片预览
型号: NTP8230
PDF下载: 下载PDF文件 查看货源
内容描述: 应用范围: 1.PDP电视还是液晶电视, 2.dockingstation , 3.Mini分量音频解决方案。>数据表: 2 CH立体声( 30W ×2 @ 28V , 8Ω )> 2.1声道( 10W ×2 + 25W @ 24V , 8Ω )>联系电话: 18928487876>宽工作电源电压范围>( 7V至28V )> 3D环绕 [Applications:1.PDP TV or LCD TV,2.dockingstation,3.Mini-Component-Audio Solution. datasheet:2 CH Stereo (30W x 2 @28V,8Ω)  2.1 channel (10W x 2 + 25W @24V,8Ω) tel:18928487876  Wide Operating Supply Voltage Range (7V to 28V)  3D surround ]
分类和应用: 电视光电二极管电话
文件页数/大小: 55 页 / 1767 K
品牌: ETC [ ETC ]
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Power Driver Integrated Full Digital Audio Amplifier  
NTP-8230  
Figure 17. Post Bi-Quad Filter Structure  
For the enhancement of 3D effect or redirection of Bass signal back into Main channel, Ch3 fire back  
structure is integrated like Figure 17.  
9.5. Loudness Control  
NTP-8230 provides loudness control function using post Bi-Quad filter chains. Loudness control  
means the compensation of frequency characteristics in low volume level to fit the acoustic  
characteristics of human ears  
There are 3 Bi-Quad filters for loudness gain per each channel. To download a loudness gain of each  
Bi-Quad, the page flag register 0x7E should be set as same in the case of downloading the filter  
coefficients. The loudness gain values are applied for both channel 1 and 2 and when downloading the  
loudness gain values, a user should set the register 0x7E as 0x03.  
BQ ROM Address  
loudness gains of CH1/CH2  
0x3E  
0x3F  
0x40  
register Address 0x7E= 0x03 case  
L1  
L2  
L3  
BQ ROM Address  
0x1F  
loudness gains of CH3  
0x1E  
L1  
0x20  
L3  
register Address 0x7E= 0x04 case  
L2  
Table 4. Address for Loudness Gain  
Copyright NeoFidelity, Inc.  
Document Number: DS8230 draft ver. 0.1  
Page 20  
2011-01-11  
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