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   Transmission Line, Physical Length       

Transmission Line, Physical Length

 

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Netlist Form

An instance of a transmission line with physical length has the following Nexxim netlist syntax:

Axxx n1 n2 P=val Z=val F=val K=val [A=val] COMPONENT=trlk

n1 and n2 are the nodes connected to the transmission line. The entry COMPONENT=trlk identifies the element as a transmission line, physical length.

 


Transmission Line, Physical Length Instance Parameters

Parameter

Description

Units

Default

P

Physical length at reference frequency

Meter

1e-3

Z

Reference characteristic impedance

Ohm

50

K

Dielectric constant

 

1.0

F

Reference frequency

Hz

1e9

A

Attenuation at reference frequency

dB/m

0.0

Netlist Example

Atrlk2 trin trout P=2e-3 Z=65 K=1.1 F=2e9 COMPONENT=trlk

Notes

1. A lossless line is assumed unless parameter A is assigned a non-zero value. Attenuation is then scaled in inverse proportion to the square root of the frequency.



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