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I've been hankering to do some EE work lately... I think I want to do something analog, maybe RF, but what to do....
@freemo get yourself a red pitaya and a directional coupler off eBay and you'll have everything to make a one-port VNA for €300.
@comphys Here it is fully hooked up to the control board and mostly working, plus schematic
@freemo that's really cool, I'm very jealous of your electronics skills!
