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Nexxim Simulator >
Nexxim Component Models >
Microstrip Elements >
MIM Circular Capacitor, Q Specified

MIM Circular Capacitor, Q Specified

Netlist Form

Axxxx n1 n2 W1=val W2=val L=val R=val T=val
ER=val Q=val COMPONENT=msmimrq SUBSTRATE=substrate_name

n1 and n2 are the names of the nodes attached to the capacitor. The entry COMPONENT=msmimrq identifies the element as a MIM circular capacitor, Q 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 Circular Capacitor, Q 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
R	Radius of upper plate	Meter	1e-3
T	Dielectric thin film thickness	Meter	1e-4
ER	Dielectric constant of thin film	None	1.0
Q	Quality factorof the thin film	None	1e20

Netlist Example

A23 Port1 Port2 W1=0.5e-3 W2=0.5e-3 L=1.1e-3 R=0.8e-3
+ T=0.0001 ER=1.4 Q=1e20 COMPONENT=msmimrq 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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