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Air Bridge, Cross Over

Netlist Form

An instance of a grounded coplanar waveguide air bridge cross over has the following Nexxim netlist syntax:

Axxx n1 n2 [W=val] [G=val] [HA=val] [GAP=val] [D=val]
+ COMPONENT=gcpw_crossbridge SUBSTRATE=substrate_name

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

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

**Air Bridge Cross Over Instance Parameters**
Parameter	Description	Units	Default
W	Width of crossover bridge	Meter	1.0e-3
G	Width of gaps	Meter	1.0e-3
HA	Height of air bridge above conductor plane	Meter	3.0e-3
GAP	Width of open-end gap	Meter	1.0e-3
D	Distance of separation	Meter	3.0e-3

Ajumper1 1 2 W=0.3e-3 G=0.5e-3 HA=2.0e-3 GAP=0.5e-3 D=2.0e-3
+ COMPONENT=cpw_crossbridge SUBSTRATE=GCPW1

where GCPW1, the selected layout technology or substrate type, has a definition such as:

.SUB GCPW1 GCPW(
+ H=0.001524 Er=4.4 TAND=0.02 HU=2.54E-4
+ MET1=1.724137931034483 T1=2.54e-5 RGH=0)


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