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Nexxim Simulator >
Nexxim Component Models >
Coplanar Waveguide Elements >
Air Bridge, Rectangular Cross Section

Air Bridge, Rectangular Cross Section

Netlist Form

An instance of a coplanar waveguide air bridge with rectangular cross section has the following Nexxim netlist syntax:

Axxx n1 n2 [W=val] [G=val] [HA=val] [WA=val] [LA=val]
+ COMPONENT=cpwbridge SUBSTRATE=substrate_name

n1 and n2 are the nodes connected to the bridge. The entry COMPONENT=cpwbridge identifies the element.

The SUBSTRATE=substrate_name is the coplanar waveguide substrate model name selected for the design (see Selecting a Coplanar Waveguide Substrate for details).

**Air Bridge Instance Parameters**
Parameter	Description	Units	Default
W	Width of center conductor	Meter	1.0e-3
G	Width of slots	Meter	1.0e-3
HA	Height of air bridge above conductor plane	Meter	3.0e-6
WA	Width of air bridge	Meter	10.0e-6
LA	Length of air bridge	Meter	3.5e-3

Netlist Example

Ajumper1 1 2 W=0.3e-3 G=0.5e-3 HA=2.0e-6 WA=5.0e-6 LA=2.0e-3
+ COMPONENT=cpwbridge SUBSTRATE=CPW1

where CPW1, the selected layout technology or substrate type, has a definition such as:

.SUB CPW1 CPW(
+ H=0.001524 Er=4.4 TAND=0.02 HU=2.54E-4 HL=2.54e-4
+ MET1=1.724137931034483 T1=2.54e-5 RGH=0)

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