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Nexxim Simulator >
Nexxim Component Models >
Suspended Stripline Elements >
Cross Junction

Cross Junction

Netlist Format

A cross instance has the following netlist format:

Axxx n1 n2 n3 n4 W1=val W2=val W3=val W4=val [NSUM=val]
COMPONENT=cross SUBSTRATE=substrate_name

n1, n2, n3, and n4 are the names of the nodes attached to the cross. The entry COMPONENT=cross identifies the element as a cross. 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.

**Cross Instance Parameters**
Parameter	Description	Unit	Default
W1	Width of line connected to node n1	Meter	1e-3
W2	Width of line connected to node n2	Meter	1e-3
W3	Width of line connected to node n3	Meter	1e-3
W4	Width of line connected to node n4	Meter	1e-3
NSUM	Number of modes considered in the field expansion	None	4

Netlist Example

Across1 Port1 Port2 Port3 Port4 W1=1e-3 W2=2e-3 W3=3e-3 W4=4e-3
+ COMPONENT=cross 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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