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參數(shù)資料
| 型號： | S1L9225 |
| 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(shù)： | 50/60頁 |
| 文件大?。?/td> | 623K |
| 代理商： | S1L9225 |
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S1L9225X
RF AMP & SERVO SIGNAL PROCESSOR
50
FOCUS OFFSET CONTROL
36
+
-
Focus Phase
Compensation
-
+
PS
4
0
0
1
1
3
0
1
0
1
X1
X2
X3
X4
+
-
+
-
+
-
35
08
25
26
12
14
09
3.6K
60K
FZC
I
20K
DFCTI
48K
FS4B
FS3
580K
FGD
FDFCT
FSI
470K
470K
40K
FS2B
82K
40K
10K
50K
5K
FS1
FSET
FLB
FRCH
FEM
FEO
to Digital
VC
Focus Offset control starts when it receives the Focus Offset control start command $842X from micom. Focus
Offset control ends when the focus error amp output below 1.2 VDD after the focus output with 1/2 VDD at the
focus error amp final output terminal. The voltage per 1 step of the focus offset control is approximately 40mV.
The 4 bit resistance DAC changes from 320mV up to -320mV in 1 step, after which 1/2 step, approximately -
20ms offset, is applied. The offset dispersion after Focus offset control exists between -20mV - +20mV. The
Febias Offset can be changed in 10mV step within the micom's
±
100mV range after focus offset control. The
required per 1 step is 5.8ms; for 4 bits and total of 16 steps, the maximum required time is 128ms.
Also, lens-collision-sounds can be generated when adjusting the pick-up with a sensitive focus actuator, so the
Time division that uses 46 ms per step, spending a total of 736 ms, is used. The adjustment is carried out by
Hardware, and it goes from plus offset to minus offset.
For focus offset readjust, 4-bit DAC is reset by $867, and reset can be canceled only when the $86FX applied D2
bit is changed from 0
→
1. The Febias DAC latch block reset for electrostatics and operation error is reset by
micom DATA and not by RESET terminal, the system reset.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| S1L9225X | RF AMP & SERVO SIGNAL PROCESSOR |
| S1L9225X01-Q0R0 | RF AMP & SERVO SIGNAL PROCESSOR |
| S1M8656A | CDMA/AMPS Dual Mode IF/ baseband IC |
| S1M8656A01-E0T0 | CDMA/AMPS Dual Mode IF/ baseband IC |
| S1M8656A01-F0T0 | CDMA/AMPS Dual Mode IF/ baseband IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S1L9225X | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:RF AMP & SERVO SIGNAL PROCESSOR |
| S1L9225X01-Q0R0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:RF AMP & SERVO SIGNAL PROCESSOR |
| S1L9226X | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:RF AMP & SERVO SIGNAL PROCESSOR |
| S1L9226X01 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:RF AMP & SERVO SIGNAL PROCESSOR |
| S1L9226X01-Q0R0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:RF AMP & SERVO SIGNAL PROCESSOR |
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