Product Documentation
Spectre Circuit Simulator Components and Device Models Reference
Product Version 23.1, June 2023

Component Statements

Instance

Instance Syntax

Name  n1  n2 ModelName parameter=value ...

Instance Parameters

ic_phase=0

Initial condition phase.

phi=0

Initial condition phase.

ics=1e-3

Scaled critical current.

area=1.0

IC scale factor.

m=1.0

Multiplicity factor (number of DIODEs in parallel).

Model

Model Syntax

model modelName jj parameter=value ...

Model Parameters

pijj=0

Instance is a PI junction.

rtype=1

Quasiparticle current model.

cct=1

Critical current model.

tsfactor=0.2

Maximum phase step in radians.

icrit=1.0e-3

Critical current for unit area

cap=70e-12

Capacitance for unit area.

cmu=0.0

Capacitance scaling factor.

vg=(2.8 1.0e-3)

Gap voltage.

vgap=2.8 1.0e-3

Gap voltage.

delv=(0.08 1.0e-3)

Gap width.

vm=16e-3

Ic * subgap resistance.

r0=16

Subgap resistance.

rsub=75.0

Subgap resistance for unit area.

icrn=1.6e-3

Ic * normal resistance.

rn=1.6

Normal resistance.

rnorm=1.6

Normal resistance for unit area.

vshunt=0

Ic * shunt resistance voltage.

gmu=0.0

Conductance scaling factor.

icfct=0.78539816339744830962

Ic to Istep ratio.

icfct=PI/4

Ratio of critical current to quasiparticle current at gap.

version=1.04

Model version.

vdpbak=7.0e-4

Dropback voltage.

dcphasemode=0

Phase mode DC analyses.

use_2pi=0

Flag used to scale the phase into [0, 2pi], default as 0.

enable_dcres=0

Flag used to load the dc resistance. Default is 0.

Operating-Point Parameters

ibj (A)

Junction branch current.

qbc (C)

Capacitor branch charge.

ibr (A)

Resistor branch current.

op_phi

Current phase.

Related Topics

Josephson Junction Model (jj)


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