wrote in message
oups.com...
The question is, why
then are remote baluns promoted as the solution to this common problem?
Well, there's more than one way to skin a cat, a remote balun wouldn't be
bad if it fed the balanced feedline of a resonant antenna which is used at
its resonant frequency. But if you want to operate the antenna everywhere
then you don't want a balun feeding the open wire, weather it be at the
antenna or on the antenna side of a shack side antenna tuner.
Go to Cebiks index section, in particular the Transmission Lines, Impedance
Coupling, and Construction section, - there's lots of reading there on
antenna tuner matching issues including a great tutorial :^)
http://www.cebik.com/radio.html
And, is the coax twinlead and a balnaced tuner a better choice than a
short lenght of very low loss coax, a good current balun, and a T
match?
Oh Yes. If you keep everthing balanced and then use a GOOD balanced antenna
tuner things will work out fine.
Avoid any balanced tuner design that has a matching network followed by a
ferrite core balun on the *antenna feedline* end.
These types of baluns are meant to be used close to their design inpedances,
not when connected to a multiband antenna which is going to have wild
variations in Z.
73,
John