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CXD3018Q/R 参数 Datasheet PDF下载

CXD3018Q/R图片预览
型号: CXD3018Q/R
PDF下载: 下载PDF文件 查看货源
内容描述: CD数字信号处理器,内置DigitalServo和DAC [CD Digital Signal Processor with Built-in DigitalServo and DAC ]
分类和应用: 数字信号处理器
文件页数/大小: 134 页 / 942 K
品牌: ETC [ ETC ]
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CXD3018Q/R  
Timing Chart 2-3  
Measurement interval (approximately 3.8µs)  
Reference window  
(132.2kHz)  
Measurement pulse  
(VCKI/2)  
Measurement counter  
VF0 to VF7  
Load  
m
The relative velocity R of the disc can be expressed with the following equation.  
m + 1  
R =  
(R: Relative velocity, m: Measurement results)  
32  
VF0 to VF7 is the result obtained by counting VCKI/2 pulses while the reference signal (132.2kHz) generated  
from the crystal (384Fs) is high. This count is 31 when the disc is rotating at normal speed and 63 when it is  
rotating at double speed (when DSPB is low).  
59 –  
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