modelJFET
Junction Field-Effect Transistor
Information
JFET model, both N and P channel
The package Internal is not for user access. There all function, records and data are stored, that are needed for modeling the semiconductor models of the package Semiconductors.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | mtype | JFET type: 0 - N channel, 1 - P channel | |
| Real | AREA | Number of parallel connected identical elements | |
| Boolean | OFF | false | Optional initial condition: 0 - IC not used, 1 - IC used, not implemented yet |
| SI.Voltage | IC_VDS | -1e40 | Initial condition value (VDS, not implemented yet) |
| SI.Voltage | IC_VGS | -1e40 | Initial condition value (VGS, not implemented yet) |
| Boolean | UIC | false | Use initial conditions: true, if initial condition is used |
| Modelica.Units.NonSI.Temperature_degC | TEMP | 27 | Operating temperature of the device |
| Modelica.Electrical.Spice3.Internal.ModelcardJFET | modelcard | JFET modelcard | |
| Modelica.Electrical.Spice3.Internal.Jfet.JfetModelLine | p | Modelica.Electrical.Spice3.Internal.Jfet.jfetRenameParameters(modelcard) | Model line parameters |
| Modelica.Electrical.Spice3.Internal.Fet.Fet | m | Modelica.Electrical.Spice3.Internal.Fet.fetRenameParametersDev(AREA, OFF, IC_VDS, IC_VGS, UIC, TEMP) | Renamed parameters |
| Integer | m_type | if (mtype > 0.5) then -1 else 1 | Type of the transistor |
| Modelica.Electrical.Spice3.Internal.Jfet.JfetModelLine | p1 | Modelica.Electrical.Spice3.Internal.Jfet.jfetInitEquations(m, p) | Precalculated parameters |
| Modelica.Electrical.Spice3.Internal.Jfet.JfetModelLine | p2 | Modelica.Electrical.Spice3.Internal.Jfet.jfetModelLineInitEquations(p1) | Model line variables |
| Modelica.Electrical.Spice3.Internal.Fet.Fet | m1 | Modelica.Electrical.Spice3.Internal.Jfet.jfetCalcTempDependencies(m, p2) | Precalculated parameters |
| Boolean | m_bInit | false |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Electrical.Analog.Interfaces.PositivePin | G | Gate node | |
| Modelica.Electrical.Analog.Interfaces.PositivePin | D | Drain node | |
| Modelica.Electrical.Analog.Interfaces.NegativePin | S | Source node |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Electrical.Spice3.Internal.Fet.CurrrentsCapacitances | cc | ||
| SI.Voltage | Dinternal | ||
| SI.Voltage | Sinternal | ||
| SI.Voltage | vGD | ||
| SI.Voltage | vGS | ||
| SI.Current | ird | ||
| SI.Current | irs | ||
| SI.Current | igdgmin | ||
| SI.Current | igsgmin | ||
| SI.Current | icGS | ||
| SI.Current | icGD |
Revisions
- March 2008 by Kristin Majetta
initially implemented