參數(shù)資料
型號: S1M8837X01-G0T0
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
中文描述: 分數(shù)N射頻/整數(shù)N如果雙鎖相環(huán)
文件頁數(shù): 16/29頁
文件大小: 234K
代理商: S1M8837X01-G0T0
S1M8836/37
FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
16
Programmable
Reference
Counter(W1[18:2])
If the Control Bit is 00, data is moved from the 22-bit shift register into the R-latch which sets the IF reference
counter. Serial data format is shown in the table below.
MSB
W1[21:0]
LSB
IF_CTL_WORD[21:19]
RF_R_CNTR[[18:17]: 1~3
IF_R_CNTR[16:2]: 3~32767
0
0
21
19 18
17 16
2 1
0
Program Code
Division Ratio of the RF R
Counter,RF_R_CNTR
Division Ratio of the
IF R Counter, IF_R_CNTR
Control Bits
Division ratio : 3 to 32767(The divide ratios less than 3 are prohibited)
Data are shifted in MSB first.
15-Bit IF R Counter Division Ratio
Division
Ratio
3
4
32767
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
1
1
1
0
1
1
0
1
Division ratio : 1 to 3
RF R Counter Division Ratio
Division Ratio
1
1
2
3
1
0
0
1
1
0
0
1
0
1
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