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參數(shù)資料
| 型號： | S1L9251X |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | CD-ROM 48X RF AMP |
| 中文描述： | 的CD - ROM 48倍速射頻放大器 |
| 文件頁數(shù)： | 18/25頁 |
| 文件大?。?/td> | 200K |
| 代理商： | S1L9251X |
S1L9251X
CD-ROM 48X RF AMP
18
Defect Detector Block
— Block for detecting defects such as disc scratch or finger prints.
— External capacitor decides the time constant value.
— It detects ABCD signals through high speed peak hold and low speed bottom hold.
— After add DC to high speed peak hold, .then compares it to low-speed peak hold output.
ALPC
— Circuit for controlling the light power of the Laser Diode.
— Laser Power fluctuation caused by voltage and temperature changes are detected by Monitor Photo
Diode
’
s output current, then it is able to control the stable output power of Laser Diode.
— ALPC on/off is controlled by LDON switch.
+
-
+
-
+
-
+
-
Peak-
Hold
.RFRP_FREQ
CC2
DVCC
.DFT_TH
DFCT
CDFCT
VR
CC1
+
-
VR
A
B
C
D
.Mode_sel
VR
+
-
+
-
+
-
vdc125
AVSS
CD-ON
AVDD
LDO
.LD_OFF
P-sub
LD
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