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Re: Wave phase reversal on reflection



Right you are. I mixed discontinuous matches with continuous ones. The mechanical wave
demo. (Bell Labs.?) uses a (quasi) continuous one to couple two lengths with different
velocities.

bc



brian whatcott wrote:

At 14:41 4/24/00 -0700, Bernard Cleyet wrote:
...
Quarter wave transformers (for a particular wave length)
may largely eliminate it by
introducing just the correct addn'l reflection(s).
E.g. antenna matching, anti-reflection
coatings, and acoustic horns....
bc

It seems to me that acoustic horns are rather closer to
continuous impedence transformers which offer the advantage
of wider functional bandwidth if the impedence change is
tapered over several wavelengths.
For a twin wire feeder, what could be easier than increasing
the seperation of the wires? This was a balanced feed for a
dipole, for example - the 'delta match'.

brian whatcott <inet@intellisys.net>
Altus OK