Thanks Jim I was going to ask that exact question. For the amateur world, does it make a difference if a 75 ohm connector is installed on a 50 ohm feedline.
You made it very clear for everyone. Thanks! Mike va3mw On Mon, Oct 13, 2014 at 12:15 PM, Jim Brown <j...@audiosystemsgroup.com> wrote: > On Sun,10/12/2014 6:32 PM, Acbross via Elecraft wrote: > >> Don't know where anyone got the idea that BNCs made for RG-8x we 75 ohm. >> I worked in the tv industry for many years and we used hundreds of BNCs >> that were made specifically for 75 ohm video. By the way, RG-59 not RG-79. >> > > While you are entirely correct that there are 75 ohm and 50 ohm BNCs, the > difference DOES NOT MATTER at HF, because the connector is such a small > fraction of a wavelength and the difference is small. 75 ohm connectors > were important with analog video because of the smearing of very fine > detail in a high res image, and because studios do lots of patching and > routing. > > 73, Jim K9YC > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to va...@portcredit.net > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
