Richard Harrison wrote:
A-C sources behave much the same. The greater-magnitude source
outsupplies the other and determines the direction of current flow when
the sources are facing-off against each other.

Let's say we have two sources each equipped with a circulator and load
resistor. We'll call such a source an SGCR (Signal generator equipped
with a circulator and load). We set up the following experiment.

100W SGCL#1------------50 ohm lossless coax-----------50W SGCL#2

Seems to me that the 100W from SGCL#1 will flow unopposed and
dissipate in SGCL#2's circulator load resistor. Seems to me that
the 50W from SGCL#2 will flow unopposed and dissipate in SGCL#1's
circulator load resistor.

In other words, the forward wave has no effect on the reflected
wave and vice versa. There is no face off.

Now consider a normal system.

100W SGCL----------50 ohm lossless coax----------291.5 ohm load

50W will be reflected from the load and flow unopposed back to
the circulator load resistor. There is no face off. Unless there
is an impedance discontinuity, forward waves have no effect on
reflected waves.
--
73, Cecil http://www.qsl.net/w5dxp



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