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參數(shù)資料
| 型號： | LC72130 |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 40 MHz, PDIP24 |
| 封裝： | SDIP-24 |
| 文件頁數(shù)： | 8/22頁 |
| 文件大小： | 306K |
| 代理商： | LC72130 |
IF Counter
The LC72130 IF counter is a 20-bit binary counter. The result, i.e., the counter’s msb, can be read serially from the DO pin.
The IF frequency (Fc) is measured by determining how many pulses were input to an IF counter in a specified
measurement period, GT.
Fc =
(C = Fc
× GT)
C: Count value (number of pulses)
1. IF Counter Frequency Calculation Examples
When the measurement period (GT) is 32 ms, the count (C) is 53980 hexadecimal (342400 decimal):
IF frequency (Fc) = 342400
÷ 32 ms = 10.7 MHz
When the measurement period (GT) is 8 ms, the count (C) is E10 hexadecimal (3600 decimal):
IF frequency (Fc) = 3600
÷ 8 ms = 450 kHz
C
GT
No. 4973-16/22
LC72130, 72130M
GT1
GT0
Measurement time
Measurement period (GT) (ms)
Wait time (twu) (ms)
0
4
3 to 4
0
1
8
3 to 4
1
0
32
7 to 8
1
64
7 to 8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC72130-D-E | 制造商:ON Semiconductor 功能描述:PLL FREQUENCY SYNTHESIZER - Ammo Pack 制造商:ON Semiconductor 功能描述:FNFLD / PLL FREQUENCY SYNTHESIZER |
| LC72130-E | 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 |
| LC72130M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:AM/FM PLL Frequency Synthesizer |
| LC72131 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:AM/FM PLL Frequency Synthesizer |
| LC72131D | 制造商:Panasonic Industrial Company 功能描述:IC |
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