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| 型号： | I1820A-08TR |
| 厂商： | Alliance Semiconductor Corporation |
| 英文描述： | Low Power Mobile VGA EMI Reduction IC |
| 中文描述： | 低功耗移动显卡芯片减少电磁干扰 |
| 文件页数： | 3/8页 |
| 文件大小： | 60K |
| 代理商： | I1820A-08TR |
Low Power Mobile VGA EMI Reduction IC
3 of 8
March 2003
P1818/19/20/21/22
Notice: The information in this document is subject to change without notice.
Input Frequency and Modulation Rate
Spread Deviation Selections
Part number
Input
frequency range
Output
frequency range
Modulation rate
P1818
10 MHz to 20 MHz
10 MHz to 20 MHz
Input frequency / 256
P1819
20 MHz to 40 MHz
20 MHz to 40 MHz
Input frequency / 512
P1820
40 MHz to 80 MHz
40 MHz to 80 MHz
Input frequency / 2048
P1821
FRS=0
10 MHz to 20 MHz
10 MHz to 20 MHz
Input frequency / 256
FRS=1
20 MHz to 40 MHz
20 MHz to 40 MHz
Input frequency / 512
P1822
80 MHz to 160 MHz
80 MHz to 160 MHz
Input frequency / 3584
Part number
1
P1818
2
/19/20/21
A
1.
A
through
H
represents various combinations of spread deviations, options, and modulation rates.
2. Refer to Frequency vs. Deviation (P1818A and P1818H).
SRS
SR0
D_C
Spread deviation
0
1
0
1
0
1
0
1
N/A
N/A
-2.50% (Down)
-3.50% (Down)
-1.25% (Down)
-1.75% (Down)
+/-1.25% (Center)
+/-1.75% (Center)
+/-0.625% (Center)
+/-0.875% (Center)
-1.25% (Down)
+/-0.625% (Center)
-2.5% (Down)
+/-1.25% (Center)
-1.75% (Down)
+/-0.875% (Center)
-3.5% (Down)
+/-1.75% (Center)
-1.25% (Down)
-2.50% (Down)
-1.75% (Down)
-3.50% (Down)
+/-0.625% (Center)
+/-1.25% (Center)
+/-0.875% (Center)
+/-1.75% (Center)
P1818/19/20/21
B
N/A
N/A
P1818/19/20/21
C
N/A
N/A
P1818/19/20/21
D
N/A
N/A
P1818/19/20
E
N/A
N/A
0
1
0
1
0
1
0
1
P1818/19/20
F
N/A
N/A
P1818/19/20
G
N/A
N/A
P1818
2
/19/20
H
N/A
N/A
P1822
A
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
N/A
P1822
B
N/A
相关PDF资料 |
PDF描述 |
|---|---|
| I1820A-08TT | Low Power Mobile VGA EMI Reduction IC |
| I1820B-08ST | Low Power Mobile VGA EMI Reduction IC |
| I1820B-08TR | Low Power Mobile VGA EMI Reduction IC |
| I1820B-08TT | Low Power Mobile VGA EMI Reduction IC |
| I1821A-08TT | Low Power Mobile VGA EMI Reduction IC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| I1820A-08TT | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:Low Power Mobile VGA EMI Reduction IC |
| I1820B-08SR | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:Low Power Mobile VGA EMI Reduction IC |
| I1820B-08ST | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:Low Power Mobile VGA EMI Reduction IC |
| I1820B-08TR | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:Low Power Mobile VGA EMI Reduction IC |
| I1820B-08TT | 制造商:ALSC 制造商全称:Alliance Semiconductor Corporation 功能描述:Low Power Mobile VGA EMI Reduction IC |
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