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參數(shù)資料
| 型號： | LC72121M |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 160 MHz, PDSO24 |
| 封裝： | MFP-24 |
| 文件頁數(shù)： | 6/23頁 |
| 文件大?。?/td> | 377K |
| 代理商： | LC72121M |
Structure of the Programmable Divider
Sample Programmable Divider Divisor Calculations
For FM with a step size of 50 kHz (DVS = 1, SNS = *: FMIN selected)
FM RF = 90.0 MHz (IF +10.7 MHz)
FM VCO = 100.7 MHz
PLL fref = 25 kHz (R0 = 0, R1 = 1, R2 = 0, R3 = 0)
100.7 MHz (FM VCO)
÷ 25 kHz (fref) ÷ 2 (for the FMIN 1/2 prescaler) 2014 → 07DE (hexadecimal)
*: Don’t care
No. 5815-14/23
LC72121, 72121M, 72121V
DVS
SNS
Input pin
Set divisor
Actual divisor
Input frequency range
A
1
*
FMIN
272 to 65535
Twice the set value
10 to 160 MHz
B
0
1
AMIN
272 to 65535
The set value
2 to 40 MHz
C
0
AMIN
4 to 4095
The set value
0.5 to 10 MHz
For SW with a step size of 5 kHz (DVS = 0, SNS = 1: AMIN high-speed operation selected)
SW RF = 21.75 MHz (IF +450 kHz)
SW VCO = 22.20 MHz
PLL fref = 5 kHz (R0 = 0, R1 = 1, R2 = 0, R3 = 1)
22.2 MHz (SW VCO)
÷ 5 kHz (fref) = 4440 → 1158 (hexadecimal)
For MW with a step size of 9 kHz (DVS = 0, SNS = 0: AMIN low-speed operation selected)
MW RF = 1008 kHz (IF +450 kHz)
WM VCO = 1458 kHz
PLL fref =9 kHz (R0 = 1, R1 = 0, R2 = 0, R3 = 1)
1458 (MW VCO)
÷ 9 kHz (fref) = 162 → 0A2 (hexadecimal)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC72121 | PLL FREQUENCY SYNTHESIZER, 160 MHz, PDIP22 |
| LC72121V | PLL FREQUENCY SYNTHESIZER, 160 MHz, PDSO24 |
| LC72121M | PLL FREQUENCY SYNTHESIZER, 160 MHz, PDSO24 |
| LC72131M | PLL FREQUENCY SYNTHESIZER, 40 MHz, PDSO20 |
| LC72134M | PLL FREQUENCY SYNTHESIZER, 160 MHz, PDSO24 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC72121MA | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:CMOS IC PLL Frequency Synthesizers for Electronic Tuning |
| LC72121MA-AH | 功能描述:時鐘合成器/抖動清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| LC72121MV | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LC72121V | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PLL Frequency Synthesizers for Electronic Tuning |
| LC72121V-D-MPB-E | 制造商:ON Semiconductor 功能描述:PLL FREQUENCY SYNTHESIZER - Ammo Pack |
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