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Ansoft Designer / Ansys Designer 在线帮助文档：

Nexxim Simulator >
Nexxim Component Models >
Coplanar Waveguide Elements >
   Tapered Line       

Tapered Line


 

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Netlist Format

An instance of a grounded coplanar waveguide tapered line has the following netlist syntax:

Axxx n1 n2 [W1=val] [W2=val] [G1=val] [G2=val] [P=val]
[TAPER=”LINWIDTH”|“EXPWIDTH”]
COMPONENT=cpw_tapered_line SUBSTRATE=substrate_name

n1 and n2 are the names of the nodes attached to the transmission line. The entry COMPONENT=cpw_tapered_line identifies the element as a grounded coplanar waveguide transmission line, physical length.

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

 


Coplanar Waveguide Tapered Line Instance Parameters

Parameter

Description

Units

Default

W1

Width of node 1 conductor

Meter

1.0e-3

W2

Width of node 2 conductor

Meter

2.0e-3

G1

Slot width at node 1

Meter

0.5e-3

G2

Slot width at node 2

Meter

0.75e-3

P

Physical length

Meter

1.0e-2

Netlist Example

A5 Port1 Port2 W1=0.75e-3 W2=1.5e-3 G1=1.1e-3 G2=2.1e-3 P=2e-2
+ COMPONENT=cpw_tapered_line SUBSTRATE=CPW1

where CPW1, the selected layout technology or substrate type, has a definition such as:

.SUB CPW1 CPW(
+ H=0.001524 Er=4.4 TAND=0.02 HU=2.54E-4 HL=2.54e-4
+ MET1=1.724137931034483 T1=2.54e-5 RGH=0)

 



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