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RF Signal Generator Project - Part 1

I've decided that this summer I'm going to attempt to build an RF Signal Generator. I'm not yet sure if I'll have time to complete it, but there are a few reasons why I'm taking it on. Firstly, I want a challenging project that will push me to actually implement a device that makes use of all the skills I've been learning over the past few years. Especially this year, I've been paying lots of attention to RF/Microwave devices, and test equipment. Secondly, after going over the architecture of modern RF SigGens, it looks like it will be possible to make the system bit by bit, and still have a working instrument in the meantime. I can develop new sections to improve usability, and performance, and add them in when they're done. Some examples of this might be, improving the user interface, adding an output attenuator,  adding upconversion stages and filtering for higher bandwidth, adding/improving the reference oscillator, or VCOs for better phase noise

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