If the balun is at the input, then there can be only one antenna connected at the output. I guess that's another reason to put the balun at the output.
Alan N1AL On Fri, 2011-12-09 at 05:07 -0500, Ken wrote: > On Dec 8, 2011, at 10:51 PM, Alan Bloom wrote: > > > The disadvantage of putting the balun at the input is that none of the > > tuner circuitry can be grounded. For example, the control shafts of the > > variable capacitors have RF voltage on them, so the knobs must be > > isolated. > > > If you have the balun on the input to the tuner, can you have ANY SO-239 > outputs and still be balanced? Or it it limited to balanced line output ONLY > (e.g. open wire or ladder line), no coax outputs? > > Ken > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
