[TenTec] Palstar tuner

[Steve Hunt]

That's not true of all baluns. The flux in the ferrite core of a 1:1 
Guanella balun wound with coax depends on the common-mode current, not 
on the differential-mode current; so it's not directly related to the 
load Z.

Also, we shouldn't confuse heating with saturation. To quote W8JI: "We 
often assume heat means a core is very lossy or is "saturating", but 
*t*his often isn't true." " It is almost never core saturation, unless 
the core is subjected to very low average power and very high peak power 
levels."

Steve G3TXQ

Dr. Gerald N. Johnson wrote:
> That's the fundamental problem with tuning trough a balun. If the load Z
> is high the voltage goes high and saturates the core which leads to much
> loss and heating. 
>