There are a ton of old USSR Gunn diodes available on ebay and I'm looking for a cavity that can make use of them. I am willing to machine one myself if necessary, but I'm unable to find any decent schematics. They either leave info out or they look way too complicated and include something that doesn't even look like the correct design.
If it is possible to buy one to fit these, that'd be perfect, but I can't find it.
I see some gunnplexers on ebay, but I don't know if they will fit the diodes that I want to use. Are there any other variables aside from frequency and the actual mounting hole diameter for the diode itself? So maybe I could just hack it in place.