Dave Shrader wrote:
Back to the Modern Age. How efficient is a transmission line
transformer? [TBD %] Can you quantify a suitable number or will it
remain a qualitative statement?

Looking at some of the graphs in Jerry Sevick's book, _Transmission_
Line_Transformers_, it looks like about .05 dB maximum loss from 3
to 30 MHz. Note that figure is for perfectly matched resistive loads.

A transmission line transformer carries a high flux density for common
mode but not for differential mode. An ordinary transformer carries
a high flux density for differential mode. That's got to make a
difference.
--
73, Cecil http://www.qsl.net/w5dxp



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