From Analog Devices data sheet: (http://www.analog.com/media/en/technical-documentation/data-sheets/AD9850.pdf) "The AD9850 is a highly integrated device that uses ...

This little sketch is useful for driving the cheap Analog Device DDS AD9850. This chip, equipped with a 125 MHz crystal oscillator, is capable to produce a sine wave up to 40 MHz. All the experiments ...

If you are a hacker, you might consider ham radio operators as innovative. Most people, however, just see them as cheap. So it is no surprise that hams like [jmharvey] will build an antenna analyzer ...

今回製作しているQP-7C FT8、私が下記のデジタルVFOを製作した時、こういうことをやりたかった、というのが、具現化されておりました。 大陸からようやく替えのAD9850基板が届きデジタルVFO完成しました！受信側の周波数固定して送信側の周波数を変えると ...

remove-circle Internet Archive's in-browser video "theater" requires JavaScript to be enabled. It appears your browser does not have it turned on. Please see your ...

A while back, [m0xpd] picked up an unbearably cheap AD9850 DDS module from ebay. He turned this in to a Raspberry Pi-powered radio beacon, but like so many builds that grace our pages, the trolls didn ...

Abstract: In this paper, two LED emitting circuits are implemented in a VLC positioning system, a regular Bias-Tee and a circuit proposed by Ghassemlooy, aiming to provide the system with portability ...

Low cost (20 €) simulator for weather and warning messages broadcasted by Deutsche Wetterdienst. Used as a tool to develop DWD message receivers and decoders. Support for RTTY and NAVTEX message ...