btw for wave guides, I wonder how 3d printed wave guide filters would look like. The Iris type filter looks very printable, just glue a lid on top with conductive epoxy after printing. or the dip coat. Being able to crank those suckers out might justify buying a gallon of silver paint. I think maybe like you can take a 1mL sample of the paint can too, to weigh it, if you plan on keeping it for a long time, so you can add the correct amount of lost solvent to maintain the mix.
I think x or even Ku band might work, clearly, based on how I see the horn functioning on the VNA.
I gotta say I feel a bit.. redundant printing just wave guide conductor sections, the horn is marginally interesting but its still quite simple, but making arbitrary filters in a few hours is damn interesting.
I am just saying it does not feel very special. But band pass filters seems next level.... that seems like a capability not being a cheap skate, and its really new grounds, not reinventing a 'wire'.... their highly non standard parts, not common elements.
https://www.sciencedirect.com/science/article/abs/pii/S1350449513001667![](https://ars.els-cdn.com/content/image/1-s2.0-S1350449513001667-gr4.jpg)
I feel like the doc lol, its not quite uranium but its the first time in my life I felt like I could really use a big quantity of a precious resource to do something scientific.......