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Nexxim Simulator >
Nexxim Component Models >
Slotline Elements >
Open Stub, Physical Length

Open Stub, Physical Length

Netlist Format

An instance of a slotline open stub with physical length has the following netlist syntax:

Axxx n1 [n2] [W=val] [P=val] COMPONENT=slotline_open_stub SUBSTRATE=substrate_name

n1 is node attached to the open stub. n2 is the optional reference node. The entry COMPONENT=slotline_open_stub identifies the element.

The SUBSTRATE=substrate_name is the slotline substrate model name selected for the design (see Selecting a Slotline Substrate for details.

**Slotline Open Stub with Physical Length,**
**Instance Parameters**
Parameter	Description	Units	Default
P	Physical length	Meter	1e-3
W	Center conductor width	Meter	.762e-3

Netlist Example

A23 Port1 0 W=.5e-003 P=0.001
+ COMPONENT=slotline_open_stub SUBSTRATE=SLOT1

where SLOT1, the selected layout technology or substrate type, has a definition such as:

.SUB SLOT1 SLOT(
+ B=0.001524 Er=4.4 TAND=0.02 H=0.5e-3 HU=2.54e-003
+ MET1=1.724137931034483 T1=2.5400e-005
+ RGH=0)

Notes

1. [Slotline] The slotline open stub model is equivalent to a transmission line model followed by an ideal open. When a negative length is used for de-embedding, the open stub model is equivalent to a transmission line with negative length terminated by an open.

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