电子科技
電子科技
전자과기
IT AGE
2012年
7期
110-113
,共4页
光纤传输%FPGA%数字上变频器
光纖傳輸%FPGA%數字上變頻器
광섬전수%FPGA%수자상변빈기
optical fiber%FPGA%QDUC
介绍一种数字中频恢复系统，该系统分为光纤接收单元、FPGA核心单元和QDUC单元。光纤接收单元采用高速串行器／解串器TLK1501，完成高速串行数据的串行转换。FPGA核心单元对数据进行解码、检验、配置TLK1501和AID957。QDUC单元实现基带信号的上变频和D／A转换。测试结果证明，系统具有实时性好、工作稳定、抗干扰性强的优点。
介紹一種數字中頻恢複繫統，該繫統分為光纖接收單元、FPGA覈心單元和QDUC單元。光纖接收單元採用高速串行器／解串器TLK1501，完成高速串行數據的串行轉換。FPGA覈心單元對數據進行解碼、檢驗、配置TLK1501和AID957。QDUC單元實現基帶信號的上變頻和D／A轉換。測試結果證明，繫統具有實時性好、工作穩定、抗榦擾性彊的優點。
개소일충수자중빈회복계통，해계통분위광섬접수단원、FPGA핵심단원화QDUC단원。광섬접수단원채용고속천행기／해천기TLK1501，완성고속천행수거적천행전환。FPGA핵심단원대수거진행해마、검험、배치TLK1501화AID957。QDUC단원실현기대신호적상변빈화D／A전환。측시결과증명，계통구유실시성호、공작은정、항간우성강적우점。
A digital IF receiver and recovery system is proposed, which is divided into optical receiver unit, FPGA core unit and QDUC unit. The optical receiver unit completes high-speed serial data conversion using high-speed serializer/ deserializer TLK1501. The FPGA core unit achieves a data decoding and CRC check. In addition, FPGA configures TLK1501 and AD9957. The QDUC unit achieves DUC and D/A conversion. Results of experiments verify that the system has the advantages of good real-time performance, low bit error rate, good stability and strong anti-jamming ability.
