Audio direct digital synthesizer (DDS)

June 4, 2010 · Posted in Uncategorized 

Circuit Girl Jeri Ellsworth demonstrates how to make a simple audio direct digital synthesizer (DDS) with a 74hc4060, EPROM and a few passive components.

Jeri Ellsworth (born 1974) is an American entrepreneur and self-taught computer chip designer. She is best known for, in 2004, creating a Commodore 64 emulator within a joystick, called Commodore 30-in-1 Direct to TV. The “computer in a joystick” could run 30 video games from the early 1980s, and was very popular during the 2004 Christmas season, at peak selling over 70,000 units in a single day via the QVC shopping channel.

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