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

Multi-Coupled Lines, Electrical Length

Netlist Form

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

Axxx in1 [...inNL] out1 [...outNL]

NL=NumberofLines

[W=width] [SP=spacing] [E=length] [F=freq]

COMPONENT=MCPL SUBSTRATE=substrate_name

in1 through inNL are the names of the input nodes. out1 through outNL are the corresponding output 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, Electrical Length Instance Parameters**
Parameter	Description	Units	Default
E	Electrical length	Degree	45.0
F	Reference frequency for electrical length	Hertz	1e9
NL	Number of signal lines	None	1
SP	Spacing between conductors (NL>1)	Meter	1e-3
W	Conductor width	Meter	1e-3

Netlist Example

A3 Port1 Port2 net_1911 net_1911
+ W=3.2004e-004 NL=2 sp=4.5720e-004 E=45 F=1e9
+ 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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