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参数资料
| 型号： | S5T8808A |
| 厂商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | PLL FREQUENCY SHNTHESIZER FOR PAGER |
| 中文描述： | 锁相环频率SHNTHESIZER的寻呼机 |
| 文件页数： | 10/12页 |
| 文件大小： | 109K |
| 代理商： | S5T8808A |
S5T8808A
PLL FREQUENCY SHNTHESIZER FOR PAGE
10
The architecture of R-Count Divider
Figure 4. R-CNT architecture
VCO output Frequency
f
VCO
= N x f
VCO
/ RD
f
VCO
= VCO output frequency
f
OSC
= X-tal Oscillator Frequency
RD = Programmable Reference R-counter value
N = Programmable N-counter value
Phase Detector / Lock Detector
Figure 5. Phase Detector / Lock Detector Block Diagram
12.8MHz
X-Tal
OSCI
OSCO
1 / 4
Prescaler
FRC
14 bits
Counter
12.8MHz
3.2MHz
D0 ------------- D13
Fr
6.25KHz
1/ 4
CNT
14 Bit
R - Divider
Phase
Detector
OSCI
OSCO
Fin
Fr
Fn
PDP
PDA
FRC
1
2
Lock
Detector
LD
10
7
FN
14
4
5
FR
15
4 / 5
Counter
14 Bit
N - Divider
2 bits
Swallow
Counter
16 Bit Programmabel N_Counter
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相关代理商/技术参数 |
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|---|---|
| S5T8808A01-R0B0 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:PLL FREQUENCY SHNTHESIZER FOR PAGER |
| S5T8808X01-V0B0 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:PLL FREQUENCY SHNTHESIZER FOR PAGER |
| S5T8809 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:PLL FREQUENCY SYNTHESIZER FOR PAGER |
| S5T8809X01-R0B0 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:PLL FREQUENCY SYNTHESIZER FOR PAGER |
| S5U1118 | 制造商:SECOS 制造商全称:SeCoS Halbleitertechnologie GmbH 功能描述:1A Positive Low Dropout Fixed-Mode Regulator With EN Function |
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