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AK1572 参数 Datasheet PDF下载

AK1572图片预览
型号: AK1572
PDF下载: 下载PDF文件 查看货源
内容描述: 向下转换混频器,分数N频率合成器和VCO [Down Converter Mixer with Fractional-N Frequency Synthesizer and VCO]
分类和应用:
文件页数/大小: 35 页 / 1112 K
品牌: AKM [ ASAHI KASEI MICROSYSTEMS ]
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[AK1572]  
Reference clock  
Phase Comparison signal  
Divided signal of RF signal  
PFD output signal  
T
ignore  
This is ignored because it  
cannot be sampled.  
This is ignored  
because it cannot  
be sampled.  
Valid  
Valid  
The [LD] pin outputs will be HIGH  
when a phase error which is smaller  
than T is detected for N times  
LD output  
Case of “R > 1”  
Fig6. .Digital Lock Detect Operations  
UnlockLock  
Unlock(LD=LOW)  
Flag=0  
No  
Phase Error < T  
Yes  
Flag=Flag+1  
No  
Flag>N  
Yes  
Lock(LD=HIGH)  
MS1551-E-00  
23  
2013/8  
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