What question is that on the ham exam??? I was taught Balun was a acronym for Balanced to Unbalanced.
On Tue, Mar 21, 2023 at 11:35 AM Jorge Gutierrez via BVARC <bvarc@bvarc.org> wrote: > Balun is a "balancing unit", a transformer, so to speak that allows two > lines to interface with each other, > without changing the impedance of either line, very useful for connecting > a coaxial cable to an antenna. > > Remember the analogies: > Current is similar to the flow of water in a pipe > Voltage is the pressure of that flow > Capacitance is the ability of a pipe or tank to hold the water (dams are a > good example) > Inductance is the resistance created when you try to change the direction > of the flow > Both of these are considered "reactance" in an AC circuit, so the > resistance can be inductive or capacitive. > > Balloon is what the Chinese use to spy on us, with the approval of the > father of Hunter Biden. You know, > the Big Guy. > > > > Jorge A. Gutiérrez - NØJGS > +1.713.550.4788 > > > On Tuesday, March 21, 2023 at 09:30:59 AM CDT, M Reiter via BVARC < > bvarc@bvarc.org> wrote: > > > thank you all for your replies, this was humor, and nothing more. I can > not believe that calculating the reactance or inductance of RLC T or Pi > circuits will ever be needed if I never build my own radio. I have spent > many hours learning about antennas, and am happy to let the Japanese learn > RLC and build me a radio. maybe there could be an option on the extra exam > to just send some money to a Japanese engineering student to learn it for > me, and skip all the questions dealing with electronics engineering. for > those literal folks, I have taken 22 practice exams and read through all > the pool questions once. I am learning to pass the test, not how to > operate a radio. I will learn that in time once I get my practical antenna > knowledge down. I am fully aware I do not need to pass the test to talk to > Ausies in Australia, the desire to do so was created as a 9yr old in a ham > shack at camp in upstate NY, (long lake camp). > and I know yall had to walk to school in the snow bare footed up hill both > ways, thank you for doing so, us whimps still have to learn engineering we > will never use, thank god I learned Trigonometry in high school to answer > some of these questions and to calculate the angles on my antenna designs. > and will someone please explain the difference between a current balun, > voltage balun inductive balun an inductor a capacitive inductor and a > balloon?. > 73, Marc. > > > On Mon, Mar 20, 2023 at 3:20 PM M Reiter <beachcat...@gmail.com> wrote: > > so maybe this is for the VEC, maybe I am just venting, It took me 22 > tries to pass the Extra Exam, I passed the tech on my first try and maybe > third for general. > If I had wanted to be an electrical engineer and design antennas for NASA > I would have gone to college for that. all I want to do is shoot the junk > with someone in Australia and ask him or her how the weather is down there. > for a small increase in frequencies I am having to learn a huge amount of > electronic circuit theory. I feel this is just a bunch of old dudes > sitting in a room saying to each other " Ya that question will baffle > them" and not considering what questions might actually represent what is > needed to operate a radio. seriously many operators do not know the > phonetic alphabet or at least not the reason to use it. why do I need to > know the reactance of a pi-l circuit for 7.3 Mhz at 1800 somethings on the > surface of the moon in September in an odd solar year standing on one foot > holding an antenna two wavelengths from the surface if there are beetles > moving underneath and I am left handed. > > Marc KI5ZHO > > > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > BVARC@bvarc.org > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > Publicly available archives are available here: > https://www.mail-archive.com/bvarc@bvarc.org/ > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > BVARC@bvarc.org > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > Publicly available archives are available here: > https://www.mail-archive.com/bvarc@bvarc.org/ > -- David Hold david.h...@gmail.com
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