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| Lumped Source
| style="width:350px250px;" | General-purpose point voltage source| style="width:350px250px;" | Associated with a PEC or thin wire line| style="width:150px;" | [[EM.Tempo]]
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| Distributed Source
| style="width:350px250px;" | General-purpose distributed voltage source| style="width:350px250px;" | Associated with a virtual rectangle strip| style="width:350px150px;" | [[EM.Tempo]]
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| Microstrip Port Source
| style="width:350px250px;" | Used for S-parameter computations| style="width:350px250px;" | Associated with a PEC rectangle strip| style="width:350px150px;" | [[EM.Tempo]]
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| CPW Port Source
| style="width:350px250px;" | Used for S-parameter computations| style="width:350px250px;" | Associated with a PEC rectangle strip| style="width:350px150px;" | [[EM.Tempo]]
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| Coaxial Port Source
| style="width:350px250px;" | Used for S-parameter computations| style="width:350px250px;" | Associated with a PEC Cylinder| style="width:350px150px;" | [[EM.Tempo]]
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| Waveguide Source
| style="width:350px250px;" | Used for S-parameter computations| style="width:350px250px;" | Associated with a hollow PEC box| style="width:350px150px;" | [[EM.Tempo]]
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| Wire Gap Circuit Source
| style="width:350px250px;" | General-purpose point voltage source| style="width:350px250px;" | Associated with a PEC or thin wire line| style="width:350px150px;" | [[EM.Libera]]
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| Strip Gap Circuit Source
| style="width:350px250px;" | General-purpose point voltage source| style="width:350px250px;" | Associated with a PEC rectangle strip| style="width:350px150px;" | [[EM.Picasso]], [[EM.Libera]]
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| Probe Gap Circuit Source
| style="width:350px250px;" | Used for modeling short coaxial probes | style="width:350px250px;" | Associated with a PEC embedded via | style="width:350px150px;" | [[EM.Picasso]]
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| Scattering Wave Port Source
| style="width:350px250px;" | Used for S-parameter computations| style="width:350px250px;" | Associated with a PEC rectangle strip| style="width:350px150px;" | [[EM.Picasso]]
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| Hertzian Dipole Source
| style="width:350px250px;" | General-purpose short filament current source| style="width:350px250px;" | Stand-alone source| style="width:350px150px;" | [[EM.Tempo]], [[EM.Illumina]], [[EM.Picasso]], [[EM.Libera]], [[EM.Terrano]]
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| Plane Wave Source
| style="width:350px250px;" | Used for scattering computations| style="width:350px250px;" | Stand-alone source| style="width:350px150px;" | [[EM.Tempo]], [[EM.Illumina]], [[EM.Picasso]], [[EM.Libera]]
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| Gaussian Beam Source
| style="width:350px250px;" | Used for modeling focused beams | style="width:350px250px;" | Stand-alone source| style="width:350px150px;" | [[EM.Tempo]]
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| Huygens Source
| style="width:350px250px;" | Used as a distributed equivalent | style="width:350px250px;" | Imported from a Huygens data file| style="width:350px150px;" | [[EM.Illumina]], [[EM.Picasso]], [[EM.Libera]]
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| Transmitter Set
| style="width:350px250px;" | Used as a point source with an imported radiation pattern | style="width:350px250px;" | Associated with a point or point array| style="width:350px150px;" | [[EM.Terrano]]
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| Fixed-Potential PEC with Nonzero Voltage| style="width:350px250px;" | Used as a distributed DC voltage source | style="width:350px250px;" | Requires drawing geometric objects| style="width:350px150px;" | [[EM.Ferma]]
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| Volume Charge
| style="width:350px250px;" | Used as a distributed eelctric charge source | style="width:350px250px;" | Requires drawing geometric objects| style="width:350px150px;" | [[EM.Ferma]]
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| Wire Current
| style="width:350px250px;" | Used as a linear filament current source | style="width:350px250px;" | Requires drawing geometric objects| style="width:350px150px;" | [[EM.Ferma]]
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| Volume Current
| style="width:350px250px;" | Used as a distributed elctric current source | style="width:350px250px;" | Requires drawing a line or polyline| style="width:350px150px;" | [[EM.Ferma]]
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| Permanent Magnet
| style="width:350px250px;" | Used as a distributed magnetization source | style="width:350px250px;" | Requires drawing geometric objects| style="width:350px150px;" | [[EM.Ferma]]
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