The use of field-programmable gate array FPGA to realize the principle of the direct digital frequency synthesis (DDS) DDS as the core of the signal generator. DDS technology in the FPGA implementation method proposed the FLEX series FPGA chip FLEX10K ALTERA Company VHDL source code for direct digital frequency synthesis.

累加器\.sopc_builder\filters.xml
......\db\add_sub_bgk.tdf
......\..\altsyncram_abq1.tdf
......\..\altsyncram_rms3.tdf
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......\..\wed.wsf
......\incremental_db\compiled_partitions\leijia.autoh_e4eb58185d954d358c52b26e0df67201.map.cdb
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......\..............\...................\leijia.root_partition.cmp.cdb
......\..............\...................\leijia.root_partition.cmp.dfp
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......\..............\...................\leijia.root_partition.cmp.rcfdb
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......\..............\...................\leijia.root_partition.map.hdb
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......\..............\README
......\k1.bsf
......\k1.cmp

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