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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： | 34/43页 |
| 文件大小： | 199K |
| 代理商： | S5L1462B |
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S5L1462B
RF SIGNAL PROCESSOR
34
DPD TRACKING ERROR AMP
DDVD
CDVD
ADVD
BDVD
PLLCTL
DPDTE
to MUX5
+
TBAL
DPD_MUTE
TE1OFST
GCA
FLT_CTL
HOLD_CTL
GAIN_TE1
SPEED_SEL
FAULTO
PDMIMITRES
DPDEQ2
DPDEQ1
DPD TE BLOCK
TE1RES
GND
PD_LIMIT
INTERO
EQ
comp
+
+
GCA
+
EQ
comp
VCPS
Abnormal
Waveform
Detection Circuit
Phase
Detecter
LPF
TE1
Front
Mux
The (A-D)DVD signal's gain is adjusted in the DPD input GAIN adjustment block by the gain selected by
Address 07H's GAIN_TE1 register. The signal is then compensated in the DPD EQUALIZER and input into the
COMPARATOR.
The signal by passing through the COMPARATOR circuit is then adjusted for tracking balance by the VCPS
(Voltage Controlled Phase Shift) circuit, whose Delay Time is adjusted by Address 01H's register TBAL.
The signal, after passing through the VCPS circuit, detects the phase difference between two signals through the
phase detector. The maximum width of the phase detector's output is limited by the output width limit set by
Add 07H's PD_LIMIT register.
The abnormal waveform detection circuit compensates for a small or unstable input signal. It executes mute
when an abnormal waveform is detected, and turns the detection/compensation On or Off. The following are
qualified as abnormal waveforms:
When the A+C COMPARATOR output is maintained for longer than 16T.
When the - B+D COMPARATOR output is maintained for longer than 16T
When the output of the abnormal waveform detection circuit goes "H".
When the output of the abnormal waveform detection circuit goes 'H', then goes back to "L" at the next
RISING or FALLING EDGE.
The output of the phase detector is output through the low pass filter. It is input into the MUX5 then output to the
TE block.
The DPD TE OFFSET is a function to correct the circuit OFFSET after phase comparison. It eliminates any
OFFSET existing within the LPF block.
The DPD MUTE mutes the DPD TE while correcting the DPD Offset. Mute is carried out when Add 07H's
DPD_MUTE register is "H", the external DPDMUTE block's input voltage is "H", and the INTERRUPT output is
"H".
When TE_SEL is not in DPD MODE, the DPD BLOCK's power is turned off.
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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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