On Tuesday 21 August 2018 08:53:05 Przemek Klosowski wrote: > On Tue, Aug 21, 2018 at 4:57 AM andy pugh <[email protected]> wrote: > > On Tue, 21 Aug 2018 at 02:58, Todd Zuercher <[email protected]> wrote: > > > Really Andy? There are a couple of overlapping 1/8" diameter holes > > > > burned through the board where the transistor mounts. > > It's just a flesh wound.... > > > But as long as the components have something to hold them in place > > then "dead bug" construction floating in air will work. > > > > Before PCBs everything was built that way: > > https://goo.gl/images/k2RcX5 And for very specialised applications, > > sometimes they stil are: > > https://hackaday.com/2015/02/10/the-one-million-dollar-scope-teardow > >n/ > > Well, those aren't wires---they are waveguides, probably copper > tubing.
And very likely heavily silver plated with a rather precise gold flash on top of that, all of the inside, skin effects are at those frequencies, micrometer shallow. The copper itself is only for structural purposes. > ---------------------------------------------------------------------- >-------- Check out the vibrant tech community on one of the world's > most engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users -- Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
