I suppose I need to ask if worrying about impedance at this point in the system is really worth the trouble.
Once signals have gone through one or two stages of amplification - would a loss of a db or so in signal strength really matter? Tree N6TR On Tue, Sep 27, 2016 at 8:46 PM, Lee STRAHAN <k7...@msn.com> wrote: > > Yes Ed, You have the right numbers. It won't matter which windings are > first or last. You can even wind 4 then wind 1 more and use it as an > autotransformer where the 1 turn is added to the 4 for 5. Any of these will > work fine at these TOP Band and higher frequencies. This ratio is not > perfect but will work just fine. It would be 50 to 78 ohms which in our > world is close enough. > Let us know how your new 8 circle works. Maybe even compare it to your > Hi-Z 4-square. > Lee K7TJR > > -----Original Message----- > From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of Ed > Stallman > Sent: Tuesday, September 27, 2016 8:35 PM > To: topband@contesting.com > Subject: Topband: 75 ohm RG6 to 50 Ohm radio > > My receive antenna is 75 Ohm RG6 connected to my radio and I want to wind > a 2873000202 binocular core to step 75 to 50 Ohm's . I seen this info on > W8JI web page but can't seem to find it again. > > I do remember it's 4 turns 50 Ohm and 5 turns 75 Ohm and all wires come > out the same side of the core . Am I correct so far? > > Does it make a difference which winding I wind first ? > > Thanks in advance , Ed N5DG > > > > --- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > _________________ > Topband Reflector Archives - http://www.contesting.com/_topband > _________________ > Topband Reflector Archives - http://www.contesting.com/_topband > _________________ Topband Reflector Archives - http://www.contesting.com/_topband