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Ansoft Designer / Ansys Designer 在线帮助文档：

System Simulator >
System Component Models >
Microstrip >
   MS Step (MSSTEP)       

MS Step (MSSTEP)

 

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Properties

Description

Units

Default

Range

W1

Width of the line 1

m

Required

> 0

W2

Width of line 2

m

Required

> 0

D

Offset between lines

m

|W1-W2|/2

[ 0,|W1-W2| ]

sub

Substrate name

none

Required

string

 

Notes

1. The model is valid for frequencies much less than the cutoff frequency of the second higher order mode of the planar waveguide model of the wider microstrip.

2. Radiation loss is included if the cover height (HU) is not defined in the corresponding .SUB statement.

Netlist Form

MSSTEP:NAME n1 n2 W1=val w2=val [D=val] SUB=label

Netlist Example

MSSTEP:STEP1 1 2 W1=2.45MM W2=5MM SUB=SUB1

where sub1 needs to be defined in the corresponding .sub statement.

References

1. R. Hoffmann, Handbook of Microwave Integrated Circuits, Artech House, 1987.



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