Ron wrote:
> So-called "baluns" that transform impedances are, typically, transformers --
often transmission-line transformers.
There is a type of "choke" balun that is both a balanced-to-unbalanced device
and an impedance transformer at once.
Connecting two ferrite-loaded transmission line baluns in parallel at one end
and series at the other will yield a 4:1 transformation. Higher ratios are
possible with more series/parallel combinations.
Wes N7WS
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