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Software for El Cheapo Modules: AD9833 DDS
Sample source code to drive an AD9833-based DDS module from an Arduino (.ino sketch) or Micromite (.BAS file), as used in the El Cheapo Asian Electronics Modules 6 article in the April 2017 issue.
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AD9833 DDS module with programmable attenuator
A Direct Digital Synthesis module using the AD9833 IC and a 25MHz crystal oscillator. As described in the El Cheapo Asian Electronics Modules article in the April 2017 issue.
This is the version with the onboard programmable gain amplifier.
The SMA and header connectors may be supplied pre-soldered.
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AD9833 DDS module without attenuator
A Direct Digital Synthesis module using the AD9833 IC and a 25MHz crystal oscillator. As described in the El Cheapo Asian Electronics Modules article in the April 2017 issue.
This is the version with no gain or output attenuator.
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