Simulating a balanced and unbalanced transmission lines in a structure

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Morteza
Morteza 2024-12-20
Hello everyone,
I’m trying to simulate a structure that has a balanced input on one side and an unbalanced output on the other side. I used the following line to define the feed location, but it shows an error, which is also shown below.
Does anyone know how I can fix this?
thanks,
Morteza
feedloc = [[0.1 0 1 3];[0 0 1 1]];
Error using generateRectanglePoints
Expected input number 2, length, to be positive.
Error in antenna.generateRectanglePoints (line 22)
validateattributes(length,{'numeric'},{'nonempty','scalar', ...
Error in antenna.Rectangle (line 98)
p = antenna.generateRectanglePoints( parserObj.Results.Center, ...
Error in em.Antenna/getStripMesh
Error in em.MeshGeometry/meshProbe
Error in em.PCBStructures/buildViaMesh
Error in em.PCBStructures/generateMeshForStripFeedAndVia
Error in pcbStack/meshGenerator (line 1340)
Mesh = generateMeshForStripFeedAndVia(obj,mesherInput);
Error in em.MeshGeometry/updateMeshForPcbStack
Error in em.MeshGeometry/getMesh
Error in em.EmStructures/analyze
Error in em.SharedPortAnalysis/protectedsparameters (line 55)
status = analyze(obj,freq, 1:TotalArrayElements);
Error in em.PortAnalysis/sparameters (line 43)
S = protectedsparameters(obj,freq,z0);
sparam = sparameters(pcbobj, 10e9:0.2e9:15e9, 50)

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