參數(shù)資料
型號(hào)： S1L9226X01-Q0R0
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： RF AMP & SERVO SIGNAL PROCESSOR
中文描述： 射頻放大器
文件頁(yè)數(shù)： 38/56頁(yè)
文件大小： 454K
代理商： S1L9226X01-Q0R0
S1L9226X
RF AMP & SERVO SIGNAL PROCESSOR
4
PRELIMINARY
TRACKING GAIN CONTROL CONCEPT
Operation Summary
Tracking gain control is executed by comparing the previously set gain set value of the window with the only the
pure AC component of the signal TEIO (DC+AC) , which was extracted the resistance divide of the tracking error
amp output, passed through the LPF and DC offset .
The resistance divide regulates the gain by changing the 5 bit resistance combination with micom command. The
tracking gain control is executed under the balance control, the same of focus loop on, spindle servo on, tracking
servo off and sled servo off and controls amount of optical pick-up reflection and tracking error amp gain. External
LPF cut-off freq. Is 1o 10Hz - 100Hz. The window comparator comparison level can be selected between +150mV
- +300mV and +250mV - 200mV using the micom command.
TGL outputs the +150mV and
+250mV comparator outputs to TRCNT.
TGH outputs the +300mV and
+200mV comparator outputs to ISTAT.
Gain control completes control when TGL output is H.
Vac < GLI <GHI
GLI < Vac < GHI
GLI < GHI < Vac
TGH (ISTAT output)
H
H
L
TGL (TRCNT output)
L
H
H
I/V AMP
I/V AMP
5bit (G4-G0)
From Micom
-
TE1
LPFT
LPF
AND
Logic
TGO
TGH
TGL
E Beam
F Beam
F
E
+
-
+
-
Arrary
Controlled by
5bit Switch
-
GLI
GHI
Vac
INTAT
To Micom
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S1L9251X 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:CD-ROM 48X RF AMP
S1LB_FDSS517 WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
S1LL 制造商:HY 制造商全稱:HY ELECTRONIC CORP. 功能描述:SURFACE MOUNT GLASS PASSIVATED RECTIFIERS
S1LR 制造商:Panduit Corp 功能描述:L-RING KIT FOR FULL LENGTH POU BRACKET
S1M 功能描述:整流器 1.0A 1000V RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復(fù)時(shí)間:1.2 us 正向連續(xù)電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel
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