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   Coaxial Cable, Three Layers with Reference       

Coaxial Cable, Three Layers with Reference

 

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Coaxial Cable Netlist Format

The netlist syntax for a coaxial cable, three layers with reference is:

Axxxx n1 n2 n3 n4 COMPONENT=coax_cable_threelayer
+ DI=val DO=val D1=val D2=val P=val RB=val
+ ER1=val ER2=val ER3=val TAND1=val TAND2=val TAND3=val

n1 and n2 are the nodes attached to the cable. n3 and n4 are the reference nodes. The entry COMPONENT=coax_cable_threelayer is required.


Coaxial Cable, Three Layer Parameters

Parameter

Description

Unit

Default

DI

Diameter of inner conductor

Meter

0.25e-3

DO

Inner diameter of outer conductor

Meter

1e-3

D1

Diameter to edge of layer 1

Meter

0.5e-3

D2

Diameter to edge of layer 2

Meter

0.75e-3

P

Physical length of cable

Meter

0.0127

ER1

Dielectric constant of medium 1

None

2.0

ER2

Dielectric constant of medium 2

None

5.0

ER3

Dielectric constant of medium 3

None

8.0

TAND1

Dielectric loss tangent for medium 1

None

0.0

TAND2

Dielectric loss tangent for medium 2

None

0.0

TAND3

Dielectric loss tangent for medium 3

None

0.0

RB

Conductor resistivity

mOhm-cm

0.0


Coaxial Cable, Three Layer Netlist Example

Acable1 net_34 net_27 0 0 DI=0.00 1 DO=0.003
+ D1=-.5e-7 D2=0.75e-3
+ P=.10 RB=1.64 ER1=2.1 ER2=5.2
+ component=coax_cable_threelayer

 




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