參數(shù)資料
型號: S1M8831A
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): 18/32頁
文件大小: 248K
代理商: S1M8831A
S1M8831A/33
FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
18
Programmable Counter (N CoUnter)
If the control bits are 01(IF), 10, and 11(RF), data is transferred from the 24-bit shift register into the N/Frac-latch.
N Counter consists of swallow counter (A counter; 3-bit for IF & S1M8831A RF and 4-bit for S1M8833), main
counter (B counter; 7-bit for S1M8831A/33 RF and 12-bit for IF), and fractional counter (F counter; 17-bit for
S1M8831A/33 RF). Serial data format is shown below.
IF N Counter
IF_NB_CNTR[16:5] ; 3 - 4095
1
LSB
MSB
IF_N[23:0]
23
19 18
2 1
0
0
Program Code
Division Ratio of the IF N Counter
Control Bits
IF_CTL_
WORD
[21:19]
21
22
IF_CP-WORD
[18:17]
IF_NA_CNTR
[4:2] ; 0 - 7
17 16
5 4
TEST
OSC
IF Main Counter Division Ratio (B Counter)
IF_NB_ CNTR[16:5] ; for S1M8831A/33
Division Ratio(B)
N
11
0
0
1
N
10
0
0
1
N
9
0
0
1
N
8
0
0
1
N
7
0
0
1
N
6
0
0
1
N
5
0
0
1
N
4
0
0
1
N
3
0
0
1
N
2
0
1
1
N
1
1
0
1
N
0
1
0
1
3
4
4095
Division Ratio: 3 to 4095 (The division ratios less than 3 are prohibited)
Swallow Counter Division Ratio (A Counter)
IF_NA_CNTR[4:2] ; for S1M8831A/33
Division Ratio(A)
N
2
0
0
1
N
1
0
0
1
N
0
0
1
1
0
1
7
Division Ratio: 0 to 7 (B > A)
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S1M8831A/33 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
S1M8831A01-G0T0 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
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S1M8833X01-G0T0 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
S1M8836 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FRACTIONAL-N RF/INTEGER-N IF DUAL PLL