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参数资料
| 型号： | S5L1462B |
| 厂商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | CD and DVD playback |
| 中文描述： | CD和DVD播放 |
| 文件页数： | 39/43页 |
| 文件大小： | 199K |
| 代理商： | S5L1462B |
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RF SIGNAL PROCESSOR
S5L1462B
39
DEFECT DETECT CIRCUIT
The DEFECT circuit detects the signal defects from damage to the reflective surface. The defects are detected
in ABCD through high speed PEAK HOLD and low speed PEAK HOLD. DC is added to the high speed PEAK
HOLD output, then compared with the low speed PEAK HOLD output.
PEAK
DFCT
ABCD
GND
DFCT_CP2
GND
DFCT_CP1
CC1
CC2
DFTP
_TH
DFCT1
DFT
_TH
DFCT2
RFRP_FRQ
PLLDFT
INTERO
GND
PEAK
LONG
-
COMP
+
-
COMP
+
The high speed PEAK HOLD's response time constant is set to Add 0CH's RFRP_FRQ when a DEFECT is
detected. The low speed PEAK HOLD time constant is set by the CAPACITOR connected to the RFRP_FRQ
and CB_DFT block. The rate of change is same for high and low speed PEAK HOLD.
The DEFECT detecting level for SERVO is set by Add 0DH's DFT_TH, and the DEFECT detecting level for PLL
is set by DFTP_TH. The output of the SERVO's DEFECT is ORING with the INTERRUPT output.
INTERRUPT DEFECT CIRCUIT
GND
VREFA
INTERI
INTERO
INT_ONB
INTER_
TH
VREFA
GAIN_INT
-
+
-
+
COMP
The Interrupt DEFECT circuit detects signal defects from insulation layer damage during CD/DVD Mode
operation. The ABCDSUM output passes through the external LPF, is amplified by the AMP, then comparatively
output with the Comparator's standard voltage (INTER_TH). The AMP's GAIN is adjusted by the GAIN_INT, and
this interrupt signal's use is determined by INT_ONB.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| S5L1462B01-Q0R0 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:CD and DVD playback |
| S5L2010X02-X080 | 制造商:Samsung Semiconductor 功能描述:S5L2010X02-X080 |
| S5L-4A | 制造商:CAIG LABS/DEOXI 功能描述:LIQUID CONTACT/CONNECTOR PROTECTANT FOR ,METAL SURFACES,5% S 制造商:CAIG Laboratories Inc 功能描述:SEALANT, DEOXIT SHIELD, BOTTLE, 118LM, Sealant Type:-, Sealant Applications:Metals, Chemical Color:-, Dispensing Method:Bottle, Series:DeoxIT S, Volume:118ml , RoHS Compliant: Yes 制造商:CAIG Laboratories Inc 功能描述:SEALANT, DEOXIT SHIELD, BOTTLE, 118LM, Sealant Applications:Metals, Chemical Col |
| S5L9250B | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:The CD-ROM 48X 1 chip receives the input signal read from the CD-DA/VIDEO-CD/CD-ROM disc after handling by the RF amplifier. |
| S5L9250B01-Q0R0 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:The CD-ROM 48X 1 chip receives the input signal read from the CD-DA/VIDEO-CD/CD-ROM disc after handling by the RF amplifier. |
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