P1819 Просмотр технического описания (PDF) - Alliance Semiconductor
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P1819 Datasheet PDF : 8 Pages
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P1818/19/20/21/22
®
Input Frequency and Modulation Rate
Part number
P1818
P1819
P1820
P1821
FRS=0
FRS=1
P1822
Input
frequency range
10 MHz to 20 MHz
20 MHz to 40 MHz
40 MHz to 80 MHz
10 MHz to 20 MHz
20 MHz to 40 MHz
80 MHz to 160 MHz
Output
frequency range
10 MHz to 20 MHz
20 MHz to 40 MHz
40 MHz to 80 MHz
10 MHz to 20 MHz
20 MHz to 40 MHz
80 MHz to 160 MHz
Modulation rate
Input frequency / 256
Input frequency / 512
Input frequency / 2048
Input frequency / 256
Input frequency / 512
Input frequency / 3584
Spread Deviation Selections
Part number1
P18182/19/20/21A
P1818/19/20/21B
P1818/19/20/21C
P1818/19/20/21D
P1818/19/20E
P1818/19/20F
P1818/19/20G
P18182/19/20H
P1822A
P1822B
SRS
0
1
0
1
0
1
0
1
N/A
N/A
N/A
N/A
0
0
1
1
0
0
1
1
SR0
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
0
1
0
1
0
1
0
1
D_C
N/A
N/A
N/A
N/A
0
1
0
1
0
1
0
1
N/A
N/A
Spread deviation
-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)
1. A through H represents various combinations of spread deviations, options, and modulation rates.
2. Refer to Frequency vs. Deviation (P1818A and P1818H).
March 2003
Low Power Mobile VGA EMI Reduction IC
Notice: The information in this document is subject to change without notice.
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