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參數(shù)資料
| 型號(hào)： | LC72137M |
| 元件分類(lèi)： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 40 MHz, PDSO20 |
| 封裝： | MFP20 |
| 文件頁(yè)數(shù)： | 10/22頁(yè) |
| 文件大?。?/td> | 348K |
| 代理商： | LC72137M |
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No. 5743-18/22
LC72137, 72137M
2. Unlock Detection Software
Figure 3
3. When Outputting Unlock Data Using Serial Data Output:
Once the LC72137 detects an unlocked state, it does not reset the unlock data (UL) until the next data output (or data
input) operation is performed. At the data output x point in Figure 3, although the VCO frequency is stable (locked),
the unlock data remains set to the unlocked state since no data output has been performed since the value of N was
changed. Thus, even though the frequency became stable (locked), from the point of view of the data, the circuit is in
the unlocked state. Therefore, the data output x immediately following a change to the value of N should be seen as
a dummy data, and the data from the second data output (data output y) and later outputs should be seen as valid
data.
Lock Determination Flowchart
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|---|---|
| LC72137MA-AE | 功能描述:時(shí)鐘合成器/抖動(dòng)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 |
| LC72140 | 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:PLL Frequency Synthesizers |
| LC72140M | 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:PLL Frequency Synthesizers |
| LC72144M | 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:PLL Frequency Synthesizer |
| LC72146 | 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:PLL Frequency Synthesizer for Electronic Tuning |
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