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Nexxim Simulator >
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Suspended Stripline Elements >
Multi-Coupled Lines, Asymmetric

Multi-Coupled Lines, Asymmetric

Netlist Form

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

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

in1 through inNL are the names of the input nodes. out1 through outNL are the corresponding output nodes. The entry COMPONENT=ss_mcpl_a identifies the element as an asymmetric multiple coupled line, physical length.

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

**Asymmetric Multiple Coupled Line, Physical Length,**
**Instance Parameters**
Parameter	Description	Units	Default
NL	Number of signal lines	None	None
P	Physical length	Meter	1e-3
W1, W2, ...	Conductor widths	Meter	1e-3
S1, S2, ...	Spacing between conductors (S1 = spacing between 1 and 2, etc.)	Meter	1e-3

Netlist Example (3 Conductors)

A3 Port1 Port2 Port 3 Port 4 Port 5 Port 6 NL=3
+ P=15mm W1=0.75mm S1=0.4mm W2=1.3mm S2=0.6mm W3=1.1mm
+ COMPONENT=ss_mcpl_a SUBSTRATE=SS1

where SS1, the selected layout technology or substrate type, has a definition such as:

.SUB SS1 SS (
+ Er=4.4 H=0.5e-3 HU=2.54e-003
+ MET1=1.7241379 T1=2.5400e-005
+ RGH=0 )

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