Cited as a reference · for some experience
Anritsu spectrum analyser teardown
Why people recommend it
A spectrum analyser teardown linked for one memorable section where unusual RF construction baffles even the presenter.
Watch for: Jump to around sixteen minutes in
In their words
I was casually watching Mike tear down a spectrum analyser (13:30 is the relevant part, 16:50 is the awesome part), and he came across what he aptly described as "weird messed up alien voodoo black magic stuff":
Polynomial on electronics.stackexchange.com, Dec 2013. CC BY-SA.