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   Shorted Stub, Physical Length with Reference       

Shorted Stub, Physical Length with Reference

 

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Netlist Form

An instance of a shorted stub, physical length with reference node has the following netlist syntax:

Axxx n1 n2 W=val P=val COMPONENT=shorted_stub_physical SUBSTRATE=substrate_name

n1 is the name of the node attached to the shorted stub. n2 is the reference node. The entry COMPONENT=shorted_stub_physical identifies the element as a shorted stub, physical length with or without a reference node.

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


Shorted Stub, Physical Length with Reference, Instance Parameters

Parameter

Description

Units

Default

W

Line width

Meter

1e-3

P

Physical length

Meter

10e-3

Netlist Example

A44 Port1 Port3 W=0.001 P=10e-3
+ COMPONENT=shorted_stub_physical SUBSTRATE=FR4

where FR4, the selected layout technology or substrate type, has a definition such as:

.SUB FR4 MS( H=7.6200e-004 Er=4.4 TAND=0.02 TANM=0
+ MSat=0 MRem=0 HU=0.00508 MET1=1.72413793103448
+ T1=1.7145e-005 RGH=0mil)

 



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