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   MIM Rectangular Capacitor, Loss Specified       

MIM Rectangular Capacitor, Loss Specified

 

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Netlist Form

Axxxx n1 n2 W1=val W2=val L=val A=val B=val T=val
ER=val TAND=val COMPONENT=msmimat SUBSTRATE=substrate_name

n1 and n2 are the names of the nodes attached to the capacitor. The entry COMPONENT=msmimat identifies the element as a MIM rectangular capacitor, loss specified, microstrip substrate.

The entry SUBSTRATE=substrate_name identifies the microstrip substrate model name selected for the design (see Selecting a Microstrip Substrate). See the Microstrip (MS) Substrate for information on this substrate type.

 


MIM Rectangular Capacitor, Loss Specified Instance Parameters

Parameter

Description

Unit

Default

W1

Width of MS feeder line

Meter

1e-3

W2

Width of bottom plate

Meter

1e-3

L

Length of bottom plate

Meter

1e-3

A

Width of upper plate

Meter

1e-3

B

Length of upper plate

Meter

1e-3

T

Dielectric thin film thickness

Meter

1e-4

ER

Dielectric constant of thin film

None

1.0

TAND

Loss tangent of the thin film

None

0.0


 

Netlist Example

A23 Port1 Port2 W1=0.5e-3 W2=0.5e-3 L=1.1e-3 A=0.8e-3 B=0.8e-3
+ T=0.0001 ER=1.4 COMPONENT=msmimat SUBSTRATE=FR4

where FR4, the selected layout technology or substrate type, has a definition such as:

.SUB FR4 MS( H=7.6200e-004 Er=4.4 TAND=0.02 TANM=0
+ MSat=0 MRem=0 HU=0.00508 MET1=1.72413793103448
+ T1=1.7145e-005 RGH=0mil)




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