參數(shù)資料
型號(hào): SM5847
廠商: Seiko NPC Corporation
英文描述: High-fidelity Digital Audio, Multi-function Digital Filter
中文描述: 高保真數(shù)字音頻,多功能數(shù)字濾波器
文件頁(yè)數(shù): 14/30頁(yè)
文件大小: 337K
代理商: SM5847
SM5847AF
NIPPON PRECISION CIRCUITS—14
FUNCTIONAL DESCRIPTION
Oversampling (Interpolation)
The interpolation arithmetic block is comprised of 3
cascaded, 2-times FIR interpolation filters, as shown
in figure 1. The input signal is sampled at rate fs, and
then either 4-times or 8-times oversampling data is
output. Sampling noise in the 0.5465fs to 3.4535fs
(4fs output) or 0.5465fs to 7.4535fs (8fs output)
region is removed.
Figure 1. Arithmetic operating block
Input
fs
2-times interpolator
1st FIR
169-tap
2fs
2-times interpolator
2nd FIR 29-tap
4fs
Deemphasis IIR filter
Deemphasis ON
4fs
Soft mute
4fs
8fs
Output
Deemphasis OFF
2 -times interpolator
3rd FIR 17-tap
4fs
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SM5847AF 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:High-fidelity Digital Audio, Multi-function Digital Filter
SM5849 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Asynchronous Sample Rate Converter
SM5849AF 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Asynchronous Sample Rate Converter
SM5849BF 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Asynchronous Sample Rate Converter
SM5849F 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Asynchronous Sample Rate Converter