verilog DDS
FPGA verilog DDS 模块
一块DDS芯片中主要包括频率控制寄存器、高速相位累加器和正弦计算器三个部分（如Q2220）。频率控制寄存器可以串行或并行的方式装载并寄存用户输入的频率控制码；而相位累加器根据频率控制码在每个时钟周期内进行相位累加，得到一个相位值；正弦计算器则对该相位值计算数字化正弦波幅度（芯片一般通过查表得到）。DDS芯片输出的一般是数字化的正弦波，因此还需经过高速D/A转换器和低通滤波器才能得到一个可用的模拟频率信号。
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style='color:#111;'> 174B </span>","children":null,"spread":false},{"title":"DDS.(4).cnf.hdb <span style='color:#111;'> 621B </span>","children":null,"spread":false},{"title":"DDS.map.ecobp <span style='color:#111;'> 28B </span>","children":null,"spread":false},{"title":"ROM.sld_design_entry.sci <span style='color:#111;'> 154B </span>","children":null,"spread":false},{"title":"DDS.map.logdb <span style='color:#111;'> 4B </span>","children":null,"spread":false},{"title":"DDS.map_bb.cdb <span style='color:#111;'> 5.03KB </span>","children":null,"spread":false},{"title":"DDS.psp <span style='color:#111;'> 3B </span>","children":null,"spread":false},{"title":"DDS.pre_map.hdb <span style='color:#111;'> 11.76KB </span>","children":null,"spread":false},{"title":"DDS.(2).cnf.cdb <span style='color:#111;'> 1.22KB </span>","children":null,"spread":false},{"title":"DDS.pss <span style='color:#111;'> 277B </span>","children":null,"spread":false},{"title":"DDS.sld_design_entry.sci <span style='color:#111;'> 154B </span>","children":null,"spread":false},{"title":"DDS.(1).cnf.hdb <span style='color:#111;'> 591B </span>","children":null,"spread":false},{"title":"DDS.rpp.qmsg <span style='color:#111;'> 1.60KB </span>","children":null,"spread":false},{"title":"DDS.rtlv_sg.cdb <span style='color:#111;'> 6.61KB </span>","children":null,"spread":false},{"title":"DDS.(4).cnf.cdb <span style='color:#111;'> 1.68KB </span>","children":null,"spread":false},{"title":"prev_cmp_DDS.map.qmsg <span style='color:#111;'> 13.85KB </span>","children":null,"spread":false},{"title":"DDS.map_bb.hdb <span style='color:#111;'> 10.10KB </span>","children":null,"spread":false},{"title":"DDS.(0).cnf.hdb <span style='color:#111;'> 1.75KB </span>","children":null,"spread":false},{"title":"prev_cmp_DDS.qmsg <span style='color:#111;'> 3.05KB </span>","children":null,"spread":false},{"title":"DDS.map.hdb <span style='color:#111;'> 10.09KB </span>","children":null,"spread":false},{"title":"DDS.sgate.rvd <span style='color:#111;'> 7.90KB </span>","children":null,"spread":false},{"title":"DDS.cbx.xml <span style='color:#111;'> 210B </span>","children":null,"spread":false},{"title":"DDS.map_bb.logdb <span style='color:#111;'> 4B </span>","children":null,"spread":false},{"title":"DDS.dbp <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"DDS.(1).cnf.cdb <span style='color:#111;'> 1.48KB </span>","children":null,"spread":false},{"title":"ROM.db_info <span style='color:#111;'> 137B </span>","children":null,"spread":false},{"title":"DDS.map.qmsg <span style='color:#111;'> 13.85KB </span>","children":null,"spread":false},{"title":"DDS.rtlv.hdb <span style='color:#111;'> 11.72KB </span>","children":null,"spread":false},{"title":"DDS.db_info <span style='color:#111;'> 137B </span>","children":null,"spread":false},{"title":"DDS.hif <span style='color:#111;'> 9.97KB </span>","children":null,"spread":false},{"title":"DDS.cmp.rdb <span style='color:#111;'> 5.74KB </span>","children":null,"spread":false},{"title":"DDS.pre_map.cdb <span style='color:#111;'> 4.69KB </span>","children":null,"spread":false},{"title":"DDS.map.cdb <span style='color:#111;'> 5.09KB </span>","children":null,"spread":false},{"title":"DDS.sgdiff.hdb <span style='color:#111;'> 12.25KB </span>","children":null,"spread":false},{"title":"ROM.eco.cdb <span style='color:#111;'> 161B </span>","children":null,"spread":false},{"title":"DDS.syn_hier_info <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"DDS.(3).cnf.cdb <span style='color:#111;'> 1.22KB </span>","children":null,"spread":false}],"spread":false},{"title":"DDS.qpf <span style='color:#111;'> 906B </span>","children":null,"spread":false},{"title":"ROM.qws <span style='color:#111;'> 90B </span>","children":null,"spread":false},{"title":"ROM.qsf <span style='color:#111;'> 1.67KB </span>","children":null,"spread":false},{"title":"ROM_wave0.jpg <span style='color:#111;'> 103.74KB </span>","children":null,"spread":false},{"title":"wave_file.mif <span style='color:#111;'> 973B </span>","children":null,"spread":false},{"title":"DDS.qsf.bak <span style='color:#111;'> 2.17KB </span>","children":null,"spread":false},{"title":"详细设计方案","children":[{"title":"详细设计方案_DDS.doc <span style='color:#111;'> 121.50KB </span>","children":null,"spread":false},{"title":"DDS原理与应用.ppt <span style='color:#111;'> 609.50KB </span>","children":null,"spread":false}],"spread":true},{"title":"wave_file","children":[{"title":"ROM.mif <span style='color:#111;'> 9.93KB </span>","children":null,"spread":false}],"spread":true},{"title":"DDS.map.summary <span style='color:#111;'> 452B </span>","children":null,"spread":false},{"title":"ROM_waveforms.html <span style='color:#111;'> 1.01KB </span>","children":null,"spread":false},{"title":"DDS.done <span style='color:#111;'> 26B </span>","children":null,"spread":false},{"title":"ROM.v <span style='color:#111;'> 6.05KB 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本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二条之规定，若资源存在侵权或相关问题请联系本站客服人员，zhiweidada#qq.com，请把#换成@，本站将给予最大的支持与配合，做到及时反馈和处理。关于更多版权及免责申明参见 版权及免责申明