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   Transmission Line, Electrical Length with Reference       

Transmission Line, Electrical Length with Reference


 

Netlist Format

An instance of a transmission line with electrical length and reference nodes has the following netlist syntax:

Axxx n1 n2 n3 n4 W=val E=val F=val COMPONENT=TRL_E SUBSTRATE=substrate_name

n1, n2, n3, and n4 are the names of the nodes attached to the transmission line. The entry COMPONENT=TRL_E identifies the element as a transmission line with electrical length.

The entry SUBSTRATE=substrate_name identifies the Stripline substrate model name selected for the design (see Selecting a Stripline Substrate). See the Stripline (SL) Substrate for information on this substrate type.

 


Transmission Line with Electrical Length and Reference Nodes,
Instance Parameters

Parameter

Description

Units

Default

W

Conductor width

Meter

0.001

E

Electrical length

Degree

45

F

Reference frequency for E

Hz

109

Netlist Example

A10 Port1 Port2 0 0 W=0.001 E=45 F=5000000000
+ COMPONENT=TRL_E SUBSTRATE=SL1

where SL1, the selected layout technology or substrate type, has a definition such as:

.SUB SL1 SL( B=0.001524 Er=4.40000000000000
+ TAND=0.0200000000000000 MET1=1.72413793103448
+ T1=1.7145e-005 RGH=0mil)

Notes

1. [Stripline] For accurate results, W/B <10.

 

 



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