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Ansoft Designer / Ansys Designer 在线帮助文档：

Nexxim Simulator >
Nexxim Component Models >
Grounded Coplanar Waveguide Elements >
   Via Hole       

Via Hole

 

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Netlist Format

An instance of a grounded coplanar waveguide via hole has the following netlist syntax:

Axxx n1 D=val DG=val COMPONENT=gcpw_viahole SUBSTRATE=substrate_name

n1 is the name of the node attached to the via.

The entry COMPONENT=gcpw_viahole identifies the element as a grounded coplanar waveguide via hole.

The SUBSTRATE=substrate_name is the grounded coplanar waveguide substrate model name selected for the design (see Selecting a Grounded Coplanar Waveguide Substrate for details).

 


Grounded Coplanar Waveguide Via Hole Instance Parameters

Parameter

Description

Units

Default

D

Diameter of via hole

Meter

1e-3

DG

Diameter of via hole on ground plane

Meter

D

Netlist Example

A23 Port1 D=3.0e-4 DG=5.0e-4
+ COMPONENT=gcpw_viahole SUBSTRATE=GCPW1

where GCPW1, the selected layout technology or substrate type, has a definition such as:

.SUB GCPW1 GCPW(
+ H=0.001524 Er=4.4 TAND=0.02 HU=2.54E-4
+ MET1=1.724137931034483 T1=2.54e-5 RGH=0)

Notes

1. Conditions for ±2% accuracy of the no radiation loss model:
ER ³ 1.0
H << l, where:
l is the wavelength



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