Quote:
Originally Posted by Radio Wrangler
Don't overlook ATU losses. Georg Burt, GM3OXX had worked DXCC (and then some!) with a 1-watt transmitter before he discovered the ATU he was using had 3dB loss on most of the bands he used. So he'd really done it on 500mW. He got interested in low-loss ATUs.
David
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I could be wrong, but I'm struggling to recall adverts for commercial ham-radio ATU's, or magazine articles for DIY ATU's, ever mentioning insertion loss. Nor is the term "Low-Loss ATU" something you hear very often. There seems to be much more emphasis on having ATU's which will load up on any 'wet piece of string' which is at hand.
I wonder what a set of rules would look like for the design & construction of a Low-Loss ATU? Perhaps one could start by looking inside an MFJ ATU for some ideas?
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B