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DDS Support for Arduino
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The Synthesis library is intended initially to provide an interface to the AD9835 Direct Digital Synthesis (DDS) IC, with an eye towards eventually incorporating other methods of synthesis. This could mean interfaces to the rest of the Analog Devices DDS family, or perhaps even to SCPI-enabled signal generators. For those who are not aware, the AD9835 is a 50MS/s sinusoidal DDS. While it does not have the fancy multichip synchronisation and PLL functionality of some of the more upmarket devices that Analog Devices produce, it provides a quick and easy way to produce a stable sinusoid with a frequency that can be accurately tuned in software.