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參數資料
| 型號： | KB9223-L |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | RF AMP & SERVO SIGNAL PROCESSOR |
| 中文描述： | 射頻放大器 |
| 文件頁數： | 30/34頁 |
| 文件大?。?/td> | 614K |
| 代理商： | KB9223-L |
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PRELIMINARY
RF AMP & SERVO SIGNAL PROCESSOR
30
KB9223 / KB9223-L
M/M-97-P006
1997. 10. 17
4.2 Tracking gain ($820~$83F)
4.3 Tracking balance & gain window level setting
The tracking balance and gain window level is set by D2,D3 data and the value has two
kinds of window levels set
4.3.1 Tracking balance window level
4.3.2 Tracking gain window level
4.4 Focus loop offset adjustment start command($841,$842)
This command is used for adjusting focus error bias and removing focus servo offset.
This command is executed during laser diode off.
4.5 APC circuit operation and Interruption on/off setting condition($85X)
This command is used for setting of laser diode on/off ,sub type(P_sub or N_sub) of laser diode and
interruption countermeasure circuit on/off.
Item
Hexa
Data(5bits)
initial value
ISTAT(pin31)
TRCNT(pin30)
Tracking gain
$820~$83F
D4~D0
$820
GAIN
TGL
Item
Hexa
D3
D2
D1
D0
initial value
window level setting
$84X
gain
balance
0
0
$840
D2 data
0
1
Tracking balance window level
-10~+15mV
-20~+20mV
D3 data
0
1
Tracking gain window level
250~400mV
150~300mV
Hexa command
meaning
$841
Focus error bias adjustment start command
$842
Focus servo offset cancel adjustment start command
Item
Hexa
D3
D2
D1
D0
initial value
APC &
Interruption on/off
condition
$85X
LD on/off
0 : On
1 : Off
Sub-type
0:N_sub
1:P_sub
Interruption ON/OFF
and time setting
$858
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