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參數(shù)資料
| 型號(hào)： | S1M8822 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | INTERGER RF/IF DUAL PLL |
| 中文描述： | 整數(shù)射頻/中頻雙鎖相環(huán) |
| 文件頁數(shù)： | 16/22頁 |
| 文件大?。?/td> | 426K |
| 代理商： | S1M8822 |
S1M8821/22/23
INTERGER RF/IF DUAL PLL
16
Pulse Swallow Function
f
VCO
=[ ( P X B ) + A ] x f
OSCin
/ R
f
VCO
: External VCO output frequency
P : Preset modulus of dual modulus prescaler
(for S1M8821/22 RF:P=64 or 128, for S1M8823 RF:P=32 or 64, for IF: P=8 or 16)
B : 11-bit main counter division ratio (3
≤
B
≤
2047)
A : 7-bit swallow counter division ratio
(for RF: 0
≤
A
≤
127, for IF: 0
≤
A
≤
15, A
≤
B)
f
OSCin
: External reference frequency(from external oscillator)
R : 15-bit reference counter division ratio (3
≤
R
≤
32767)
Program Mode
Mode Select Truth Table
* The charge pump output current of I
CPo
LOW = 1/4
×
I
CPo
HIGH.
C1
C2
R16
R17
R18
R19
R20
0
0
IF Phase
Detector Polarity
IF I
CPo
IF CPoIF
High Impedance
IF
LD
IF
Fo
0
1
RF Phase
Detector Polarity
RF I
CPo
RF CPoIF
High Impedance
RF
LD
RF
Fo
C1
C2
N19
N20
1
0
IF Prescaler
Pwdn IF
1
1
RF Prescaler
Pwdn RF
Phase Detector Polarity
CPoIF High Impedance
I
CPo
IF Prescaler
RF Prescaler
S1M8821/22
(S1M8823)
64/65 (32/33)
128/129 (64/65)
Pwdn
0
1
Negative
Positive
Normal Operation
High Impedance
Low
High
8/9
16/17
Pwr Up
Pwr Dn
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| S1M8822X01-R0T0 | INTERGER RF/IF DUAL PLL |
| S1M8823 | INTERGER RF/IF DUAL PLL |
| S1M8823X01-R0T0 | INTERGER RF/IF DUAL PLL |
| S1M8831A | FRACTIONAL-N RF/INTEGER-N IF DUAL PLL |
| S1M8831A01-G0T0 | FRACTIONAL-N RF/INTEGER-N IF DUAL PLL |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S1M8822X01-R0T0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:INTERGER RF/IF DUAL PLL |
| S1M8823 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:INTERGER RF/IF DUAL PLL |
| S1M8823X01-R0T0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:INTERGER RF/IF DUAL PLL |
| S1M8831A | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FRACTIONAL-N RF/INTEGER-N IF DUAL PLL |
| 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 |
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