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Direct Digital Synthesis (DDS) | Analog Devices
https://www.analog.com/en/products/rf-microwave/direct-digital-synthesis.html
Direct Digital Synthesis (DDS) Analog Devices’ world-leading direct digital synthesis ICs incorporate features such as on-board comparators, RAM, PLLs, mixers, and registers. ADI direct digital synthesis products provide fast acquisition, highly accurate PSK and FSK modulation or high precision tuning resolution, among other benefits.
All About Direct Digital Synthesis | Analog Devices
https://www.analog.com/en/analog-dialogue/articles/all-about-direct-digital-synthesis.html
DDS devices like the AD9833 are programmed through a high speed serial peripheral-interface (SPI), and need only an external clock to generate simple sine waves. DDS devices are now available that can generate frequencies from less than 1 …
DDS Basics | Direct Digital Synthesizer Design by DDS Chip
https://www.rfwireless-world.com/Terminology/DDS-Direct-Digital-Synthesizer-Basics.html
The full form of DDS is Direct Digital Synthesizer . It is also referred as Direct Digital Synthesis. There are many benefits (advantages) of DDS technique as mentioned below: • Step of size in micro-Hz can be achieved. • Fast hopping speed • Avoids tuning needed in analog counterpart due to component aging as well as temperature drift.
DDS Generator for audio frequency | diyAudio
https://www.diyaudio.com/community/threads/dds-generator-for-audio-frequency.271594/
DDS chips are usually aimed at providing a precise low noise frequency source for RF purposes, such as receiver local oscillators. Distortion is a secondary consideration because the output can always be filtered or processed through a PLL.
ZL2PD DDS Audio Function Generator
https://zl2pd.com/ddsFcnGen.html
ZL2PD DDS Audio Function Generator. This powerful low-distortion audio function generator covers from 1 Hz to above 65 kHz. It produces four different waveforms at low distortion with output levels adjustable from a few millivolts to 5 volts p-p. It's all done with a cheap ATtiny2313 microprocessor and a cheap CMOS 4015 IC.
BCD with DDS chip | Electronics Forums
https://www.electronicspoint.com/forums/threads/bcd-with-dds-chip.75950/
I am interested in using something like the AD9851 DDS chip to generate audio sinewaves but controlling it with BCD swtiches instead of a serial input. IOW I need it to be independent of a computer or micro. Can anyone advise where I can find the information to do this, or provide a summary of the technique? Regards, Steve Jonson
Audioalchemy - LAMPIZATOR
http://lampizator.eu/lampizator/REFERENCES/AudioAlchemy/Audioalchemy.html
AUDIO ALCHEMY DDS PRO dedicated transport machine and the Audio Alchemy dac board from their boxed product AUDIO ALCHEMY Digital Decoding Engine DDE v1.2 with 2 excellent chips AD1862 and one bad one - PMD100. Digital Decoding But Lampucera - is nicer. Audio Alchemy, a company from West Coast - were one of the few
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