參數(shù)資料
型號: CXD2587Q
廠商: Sony Corporation
元件分類: 數(shù)字信號處理
英文描述: CD Digital Signal Processor with Built-in Digital Servo and DAC
中文描述: CD數(shù)字信號處理器,具有內(nèi)置數(shù)字伺服和DAC
文件頁數(shù): 56/106頁
文件大?。?/td> 807K
代理商: CXD2587Q
– 56 –
CXD2587Q
§3-7. Digital CLV
Fig. 3-11 shows the block diagram. Digital CLV outputs MDS error and MDP error signals with PWM, with the
sampling frequency increased up to 130kHz during normal-speed playback in CLVS, CLVP and other modes.
In addition, the digital spindle servo gain is variable.
Digital CLV
CLVS U/D
MDS Error
MDP Error
CLV P/S
Measure
Measure
2/1 MUX
Oversampling
Filter-1
Gain
MDS
1/2
MUX
CLV P/S
Oversampling
Filter-2
Noise Shape
Modulation
KICK, BRAKE, STOP
MDP
Gain
MDP
CLVS U/D :Up/down signal from CLVS servo
MDS error: Frequency error for CLVP servo
MDP error: Phase error for CLVP servo
Fig. 3-11. Block Diagram
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