SP8400 查看數據表（PDF） - Mitel Networks
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SP8400 Datasheet PDF : 6 Pages
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SP8400
Available division ratio
All division ratios of 64 to 4103 (Definition 1) will return the
divider to the same internal state at the end of the count and
hence these are the only divisional ratios to be used for
fractional–N synthesiser application.
All division ratios of 56 to 4103 are available for general division
purposes. Additional division ratios available for general
division are:-
8,9
16, 17, 18
24, 25, 26, 27
32, 33, 34, 35, 36
40, 41, 42, 43, 44, 45
48, 49, 50, 51, 52, 53, 54
+5V
M
INPUTS
1nF
CLOCK INPUT
50R
A
INPUTS
1nF 10nF
1
28
2
27
3
26
4
25
5
24
6
23
7 SP8400 22
8
21
9
20
10
19
11
18
12
17
13
16
14
15
1nF
2x330R
2 x BF569
(or similar)
+15V
1k
10nF
10nF
330R
Fig.5 Typical application combining output to increase signal and retain low phase noise
4
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