Re: NEC-LIST: horizontal quad loop - matching problem

At 11:42 AM -0700 7/7/04, drcuthbert_at_micron.com wrote:
>...The 16:1 balun will need to be homebrewed but should not be too
>difficult to build.

Satisfactory high-ratio (e.g., 9:1 or 16:1) baluns with wide
bandwidth (e.g., 1.8 to 30 MHz) are notoriously difficult to build,
especially if high power must be handled.

The usual advice is to cascade two lower-ratio baluns/transformers,
e.g., two 3:1 baluns/transformers to obtain 9:1.

I recommend Sevick's book on transmission-line transformers.

-Chuck W1HIS

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