參數資料
型號: CXD2589Q
廠商: Sony Corporation
元件分類: 數字信號處理
英文描述: CD Digital Signal Processor
中文描述: CD數字信號處理器
文件頁數: 52/61頁
文件大?。?/td> 794K
代理商: CXD2589Q
– 52 –
CXD2589Q
4-7. Digital CLV
Fig. 4-8 shows the Block Diagram. Digital CLV outputs MDS error and MDP error signals with PWM, with the
signal 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
Over Sampling
Filter-1
Gain
MDS
1/2
MUX
CLV P/S
Over Sampling
Filter-2
Noise Shape
Modulation
KICK, BRAKE, STOP
MDP
Mode Select
Gain
MDP
LPWR
PWMI
Fig. 4-8. Block Diagram
CLVS U/D: Up/down signal from CLVS servo
MDS error: Frequency error for CLVP servo
MDP error: Phase error for CLVP servo
PWMI:
Spindle drive signal from the microcomputer for CAV servo
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