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Nexxim Simulator >
Nexxim Component Models >
Stripline Elements >
Multi-Coupled Lines, Physical Length

Multi-Coupled Lines, Physical Length

Netlist Form

A multiple coupled line, physical length instance has the following netlist syntax:

Axxx in1 [...inNL] refin out1 [...outNL] refout
NL=NumberofLines [W=width] [P=length] [SP=spacing]
COMPONENT=MCPL SUBSTRATE=substrate_name

in1 through inNL are the names of the input nodes. out1 through outNL are the corresponding output nodes. refin and refout are the input and output reference nodes. The entry COMPONENT=MCPL identifies the element as a multiple coupled line.

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.

**Multiple Coupled Line, Physical Length, Instance Parameters**
Parameter	Description	Units	Default
NL	Number of signal lines	None	1
P	Physical length	Meter	1e-2
SP	Spacing between conductors (NL>1)	Meter	1e-3
W	Conductor width	Meter	1e-3

Netlist Example

A3 Port1 Port2 0 net_1911 net_1911 0
+ W=3.2004e-004 P=1 nl=2 sp=4.5720e-004
+ COMPONENT=MCPL 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)

Notes

1. Surface roughness in the substrate definition is not supported in the MCPL implementation.

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