參數(shù)資料
型號(hào)： 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(yè)數(shù)： 31/34頁(yè)
文件大?。?/td> 614K
代理商： KB9223-L
PRELIMINARY
RF AMP & SERVO SIGNAL PROCESSOR
31
KB9223 / KB9223-L
M/M-97-P006
1997. 10. 17
4.5.1 Time setting for Interruption countermeasure circuit on/off
4.6 Focus servo offset reset command and set mode command (86X)
This command is used for set and release before focus servo loop offset adjustment and
mode change.
(note1) The set mode command is sent by micom right after tracking gain is tuned.
(note2) The ISTAT pin is outputted the internal status of $00 ~ $7X command.
4.7 Direct command(DIRC) and focus bias reset command($87X)
This command is used for direct 1 track jump on/off setting and focus bias adjustment set and
release
D1
D0
Meaning
0
0
Countermeasure circuit on for all mirror signal
0
1
Countermeasure circuit on up to 20KHz mirror signal
1
0
Countermeasure circuit off
1
1
Countermeasure circuit on up to 10KHz mirror signal
Item
Hexa
D3
D2
D1
D0
Set mode
&
focus servo offset
reset command
$86X
0:offset
release
1:offset
reset
option
(Pin41 output)
0:Defect
1:SSTOP
1
1
Item
Hexa
D3
D2
D1
D0
DIRC
&
focus bias reset
$87X
0:DIRC On
1:DIRC Off
0:reset
1:reset
release
X
X
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