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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 49/60頁(yè) |
| 文件大?。?/td> | 623K |
| 代理商： | S1L9225 |
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RF AMP & SERVO SIGNAL PROCESSOR
S1L9225X
49
FEBIAS OFFSET CONTROL
X1 X2 X4 X8
3K
+
-
+
-
160K
4K
32K
32K
+
-
fcmpo
164K
vb
va
13
FSEO
vc
Febias offset control starts when it receives the febias offset control start command $841X from the micom.
Febias offset control ends when the focus error amp output above 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
17mV. The 5bit resistance DAC changes from 112mV up to - 112mV in 1 step, after which 1/2 step,
approximately -8mV offset, is applied.
The offset dispersion after febias offset control exists between -8mV - +8mV. The time per 1 step is 5.8ms; for 5
bits and total of 32 steps, the maximum required time is 256ms.
Hardware performs the control from minus offset to plus offset. The febias offset re-control is when 4bit DAC is
reset by $8780. And Reset can be canceled only when the $87F0 applied D2 bit is changed from 0
→
1. The
Febias DAC latch block reset for electrostatics and system operation 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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