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 ...
AD9851 70 MHz 0..31 x 11.25° has more options. Note that at the max frequency the devices do not give a nice sine any more. You need to check what is acceptable for your project. The library has a ...
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 ...
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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 ...
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