參數(shù)資料
型號(hào): MB15F83UL
廠商: Fujitsu Limited
英文描述: Fractional-N PLL Frequency Synthesizer
中文描述: 分?jǐn)?shù)N PLL頻率合成器
文件頁(yè)數(shù): 10/29頁(yè)
文件大?。?/td> 168K
代理商: MB15F83UL
MB15F83UL
10
Binary 10
-
bit Programable Counter Data Setting
(
N
F1
to
N
F10
)
Divide ratio (N)
N
F10
N
F9
N
F8
18
0
0
19
0
0
32
0
0
1023
1
1
Note : Divide ratio less than 18 is prohibited.
Binary 4-bit Swallow Counter Data Setting (A
F1
to A
F4
)
Divide ratio (A)
A
F4
0
0
1
0
2
0
15
1
Note : A < N
2
Spurious cancel Bit Setting
Spurious cancel amount
Large
Midium
Small
Note : The bits set how much the amount of spurious cancel.
If the Large is selected, a spurious is tended to become small.
Phase Comparator Phase Switching Data Setting
FC
F
=
High
D
O
fr
>
fp
H
fr
=
fp
Z
fr < fp
L
VCO polarity
1
Notes :
Z
=
High-Z
Depending upon the VCO and LPF polarity, FC bit should be set.
Charge pump current select Bit Setting
CS
F
Current value
1
±
6.0 mA
0
±
1.5 mA
N
F7
0
0
0
1
N
F6
0
0
1
1
N
F5
1
1
0
1
N
F4
0
0
0
1
N
F3
0
0
0
1
N
F2
1
1
0
1
N
F1
0
1
0
1
0
0
0
1
A
F3
0
0
0
1
A
F2
0
0
1
1
A
F1
0
1
0
1
SC1
0
0
1
SC2
0
1
0
FC
F
=
Low
D
O
L
Z
H
2
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