[Amps] Titan 425 Reflected Power

Tom W8JI w8ji at w8ji.com
Mon Sep 25 05:42:20 EDT 2006


> That's where I'd start. Is there a ground loop through the 
> AC supply, for instance? I've seen this sort of thing 
> happen when you get a current on the outside of the coax, 
> and the effects show up more at high power - I suppose 
> because the magnitude is greater. Another possibility is 
> some harmonic output from the amp. But I've seen from 
> funny things with ground loops that misbehaved at high 
> power, but not at low.

I doubt that. By ground loops I meant ground loops on the 
SWR detector board causing the reading to vary with 
frequency.

External loops that affect the meters unequally with power 
would never occur.

73 Tom 




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