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Ansoft Designer / Ansys Designer 在线帮助文档：

System Simulator >
System Component Models >
Microstrip >
   MS Bend, Arbitrary Angle (MSBENDA)       

MS Bend, Arbitrary Angle (MSBENDA)

 

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Properties

Description

Units

Default

Range

W

Width of lines

m

Required

> 0

ANG

Angle of bend

degree

45°

[10°,170°]

M

Miter ratio

none

Required

[0,1)

sub

Substrate name

none

Required

string

CoSimulator

Simulation engine

none

 

Planar EM

CoSim

Stackup

Stackup used for simulation

none

Layout Stackup

Layout Stackup, Footprint stackup, Substrate

 

Notes

1. The frequency should be below the cutoff frequency of the first higher order mode on the microstrip.



where: C0 = light speed in free space, Weff =effective width of microstrip, and Ereff =effective dielectric constant.

2. Reference planes coincide with the inside vertex of the corner.

Netlist Form

MSBENDA:NAME n1 n2 W=val M=val [ANG=val] SUB=label

Netlist Example

MSBENDA:BENDA 1 2 W=0.025IN ANG=90 M=0.5 SUB=SUB1

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

References

1. Wolff, G. Kompa, and R. Mehran, “Calculation method for microstrip discontinuities and T-junctions,” Electron. Lett., Vol. 8, 1972, pp. 177-179.

2. G. Kompa, and R. Mehran, “Planar waveguide model for calculating microstrip components,” Electron. Lett., Vol. 11, 1975, pp. 459-460.

3. T. Okoshi, Planar Circuits for Microwaves and Lightwaves, Springer-Verlag, Berlin, New York, 1983.



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