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| A HIGH ORDER ALL DIGITAL PHASE LOCKED LOOP WITH TANDEM STRUCTURE |
| Shi Fujiang; Lin Xiaokang; Feng Zhongxi |
| State Key Lab on Microwave & Digital Communications Department of Electronic Engineering Tsinghua University Beijing 100084 |
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Abstract A high order all digital phase locked loop with tandem structure is presented. A 2-order all digital PLL is implemented and its performance is verified by simulation. An example is given for SDH 2048Kb/s tributary recovery. Its performances are simulated and compared with the theoretical analysis.
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Received: 16 March 1998
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1999, Vol. 21 
