[Elecraft] 9:1 Balun

[K9MA]

On 1/31/2017 19:03, Lynn W. Taylor, WB6UUT wrote:
> If I did the math right (always a question) your load must be between 
> about 5 ohms and 500 ohms, so if your antenna is about 400 ohms (not 
> resistance, but impedance) then you're okay.
Not necessarily.  That 400 Ohms could be almost pure reactance, like 
1+j399.999, an almost infinite SWR.  That's why ATU specs call out the 
SWR range.  Even then, that might be for mostly resistive loads, as it's 
really hard to specify the whole range of impedances an ATU can match.

73,

Scott  K9MA

-- 
Scott  K9MA

k9ma at sdellington.us