# SUN Magnetics knowledge base

Published guidance with explicit applicability limits. Check article compatibility and known issues before executing a recipe.

[Browse guides](/knowledge-base)
[Structured articles](/_functions/kbResource?path=articles.json)
[Task recipes](/_functions/kbResource?path=task-recipes.json)
[Known issues](/knowledge-base/known-issues)

- [Run your first microstrip extraction in Studio](/_functions/kbResource?path=markdown%2Finductex-first-microstrip.md) — 8 beta/preview
- [Understand the parallel-plate capacitance example](/_functions/kbResource?path=markdown%2Finductex-parallel-plates.md) — 8 beta/preview
- [Studio Run is unavailable](/_functions/kbResource?path=markdown%2Finductex-run-unavailable.md) — 8 beta/preview
- [An IXI project cannot find an input file](/_functions/kbResource?path=markdown%2Finductex-missing-input.md) — 8 beta/preview
- [Run the installed JTL example in JoSIM®-Pro](/_functions/kbResource?path=markdown%2Fjosim-first-jtl.md) — 2.9.0 release target; current-source Windows candidate evidence
- [JoSIM®-Pro reports a licensing problem or degraded mode](/_functions/kbResource?path=markdown%2Fjosim-licensing-unavailable.md) — 2.9.0 release target; review-build/source evidence
- [A JoSIM®-Pro netlist cannot find an included file](/_functions/kbResource?path=markdown%2Fjosim-missing-include.md) — 2.9.0 release target; current-source Windows candidate evidence
- [The licence daemon starts, but the application is still unlicensed](/_functions/kbResource?path=markdown%2Fshared-daemon-starts-but-unlicensed.md) — Daemon-based releases; check client version
- [Set a custom daemon or licence-file path](/_functions/kbResource?path=markdown%2Fshared-custom-licence-paths.md) — InductEx 8 / JoSIM-Pro 2.9.0 source
- [Generate a System ID after a machine or user change](/_functions/kbResource?path=markdown%2Fshared-generate-system-id.md) — InductEx 8 / JoSIM-Pro 2.9.0 source
- [NO_SEATS_AVAILABLE after a crash or disconnected session](/_functions/kbResource?path=markdown%2Fshared-no-seats.md) — Online daemon-based licences
- [The local daemon runs but cannot reach online licensing](/_functions/kbResource?path=markdown%2Fshared-proxy-connectivity.md) — Daemon builds supporting proxy/CA settings
- [A daemon upgrade is installed, but the old version is still running](/_functions/kbResource?path=markdown%2Fshared-daemon-upgrade.md) — InductEx 8 / JoSIM-Pro 2.9.0 source
- [Move software to another machine, OS or execution account](/_functions/kbResource?path=markdown%2Fshared-moving-a-licence.md) — Issued licence terms and installed release apply
- [InductEx® reports PRODUCT_NOT_LICENSED or no TTH entitlement](/_functions/kbResource?path=markdown%2Finductex-tth-not-licensed.md) — 8 beta/preview
- [InductEx® cannot find i.txt or another generated output](/_functions/kbResource?path=markdown%2Finductex-missing-current-file.md) — 7.x historical cases / 8 draft guidance
- [Port labels exist in the GDS but InductEx® does not find them](/_functions/kbResource?path=markdown%2Finductex-label-hierarchy.md) — 8 manual; historical 7/8 support cases
- [A port produces a mesh error or appears shorted](/_functions/kbResource?path=markdown%2Finductex-terminal-geometry.md) — 8 draft guidance; 6.x/7.x historical outcomes
- [An extracted resistance or inductance looks unphysical](/_functions/kbResource?path=markdown%2Finductex-negative-resistance.md) — 8 interpretation; legacy support example
- [Why are series components reported together with ++ or --?](/_functions/kbResource?path=markdown%2Finductex-merged-series-values.md) — Legacy support semantics; current-release check pending
- [My example results differ from numbers in an older manual](/_functions/kbResource?path=markdown%2Finductex-example-result-differences.md) — Version-specific numerical comparisons
- [Check mesh convergence when a run is slow or results change](/_functions/kbResource?path=markdown%2Finductex-mesh-convergence.md) — 8 draft guidance; version-specific mesh controls
- [Adding a process layer breaks a connection or shorts a port](/_functions/kbResource?path=markdown%2Finductex-process-connectivity.md) — 8 beta/preview
- [Convert sheet resistance and thickness to Sigma correctly](/_functions/kbResource?path=markdown%2Finductex-conductivity-units.md) — 8 beta/preview
- [Which dielectric settings matter for capacitance?](/_functions/kbResource?path=markdown%2Finductex-dielectric-permittivity.md) — 8 beta/preview
- [Define additional ground planes in a multilayer process](/_functions/kbResource?path=markdown%2Finductex-ground-planes.md) — 8 beta/preview
- [InductEx® or TetraHenry® fails on Linux with a runtime-library error](/_functions/kbResource?path=markdown%2Finductex-linux-runtime.md) — Exact OS, architecture and package build apply
- [A legacy InductEx® 7 licence is not found after moving or upgrading Windows](/_functions/kbResource?path=markdown%2Finductex-legacy-license-path.md) — 7.0.52 historical only
- [JoSIM®-Pro does not launch or the terminal cannot find the CLI](/_functions/kbResource?path=markdown%2Fjosim-launcher-path.md) — 2.9.0 release target; review-build/source evidence
- [JoSIM®-Pro does not remember the issued licence-file path](/_functions/kbResource?path=markdown%2Fjosim-save-licence-path.md) — 2.9.0 release target; review-build/source evidence
- [A junction model is missing or behaves like the wrong model](/_functions/kbResource?path=markdown%2Fjosim-model-syntax.md) — 2.9.0 release target; review-build/source evidence
- [Coupled inductors cause divergence or invalid-matrix errors](/_functions/kbResource?path=markdown%2Fjosim-coupling-validity.md) — 2.9.0 release target; review-build/source evidence
- [JoSIM®-Pro reports that the matrix has no solution](/_functions/kbResource?path=markdown%2Fjosim-singular-circuit.md) — 2.9.0 release target; review-build/source evidence
- [Check temperature, noise bandwidth and sample time in JoSIM®-Pro](/_functions/kbResource?path=markdown%2Fjosim-noise-settings.md) — 2.9.0 release target; review-build/source evidence
- [RN, R0 and temperature give unexpected junction resistance](/_functions/kbResource?path=markdown%2Fjosim-junction-resistance.md) — 2.9.0 release target; review-build/source evidence
- [Choose a transmission-line model before importing external network data](/_functions/kbResource?path=markdown%2Fjosim-transmission-models.md) — 2.9.0 release target; review-build/source evidence
- [Variable-step mode rejects a transmission line](/_functions/kbResource?path=markdown%2Fjosim-variable-step-lines.md) — 2.9.0 release target; review-build/source evidence
- [Prepare a useful support report without exposing a licence or private design](/_functions/kbResource?path=markdown%2Fsupport-effective-report.md) — Include exact client and engine versions
- [SP, CSV and EVENT verification give different margins](/_functions/kbResource?path=markdown%2Foptimum-margin-criteria.md) — 2.9.0 release target; review-build/source evidence
- [Start Optimum™ with a verified nominal circuit](/_functions/kbResource?path=markdown%2Foptimum-first-verification.md) — 2.9.0 release target; review-build/source evidence
- [The command runs an older installation than expected](/_functions/kbResource?path=markdown%2Ftool-command-wrong-version.md) — Release-specific; Windows paths checked
- [Start an LVS comparison with the correct settings and technology files](/_functions/kbResource?path=markdown%2Flvs-first-settings.md) — Public Windows LVS v1.1.05; matching bundled/published manual; Linux archive inspected only
- [LVS creates a report but no graph PDF](/_functions/kbResource?path=markdown%2Flvs-missing-graph-pdf.md) — Public Windows LVS v1.1.05; published manual matches package
- [A compact model has an unfamiliar inductor topology](/_functions/kbResource?path=markdown%2Flvs-compact-topology.md) — Manual v1.1.05; historical support semantics
- [Which file should I give TetraHenry®?](/_functions/kbResource?path=markdown%2Ftetrahenry-json-entry.md) — Published standalone manual 1.1.40
- [Which process file should I use for a numerical comparison?](/_functions/kbResource?path=markdown%2Fprocess-calibration-provenance.md) — Process and release specific
- [Does setting a junction's instance IC change its other parameters?](/_functions/kbResource?path=markdown%2Fjosim-instance-scaling.md) — 2.9.0 release target; review-build/source evidence
- [JoSIM®-Pro refuses to use the input file as the output file](/_functions/kbResource?path=markdown%2Fjosim-output-path-collision.md) — 2.9.0 release target; current-source Windows candidate evidence
- [Create an IXI file or move a project in Studio](/_functions/kbResource?path=markdown%2Finductex-create-project.md) — 8.0.2 frozen Windows Studio/Core review candidate; final package applicability pending
- [Choose the extraction goal and required electrical setup](/_functions/kbResource?path=markdown%2Finductex-choose-extraction.md) — 8.0.2 frozen Windows Studio/Core goal-selection candidate; final package applicability pending
- [Inspect geometry and mesh before running the solver](/_functions/kbResource?path=markdown%2Finductex-staged-run.md) — 8 beta/preview
- [Find the current extraction results and recognise stale output](/_functions/kbResource?path=markdown%2Finductex-read-results.md) — 8 beta/preview
- [Plot and export S-Parameter traces from Studio](/_functions/kbResource?path=markdown%2Finductex-export-sparameters.md) — 8 beta/preview
- [Inspect mesh groups and field plots without changing solver inputs](/_functions/kbResource?path=markdown%2Finductex-inspect-mesh-fields.md) — 8 beta/preview
- [Run an IXI extraction from a script or agent](/_functions/kbResource?path=markdown%2Finductex-cli-batch.md) — 8.0.2 isolated Windows CLI review candidate; final package applicability pending
- [Interpret InductEx® process status and printed diagnostic codes](/_functions/kbResource?path=markdown%2Finductex-exit-codes.md) — 8.0.2 isolated Windows CLI review candidate; final package applicability pending
- [Run JoSIM®-Pro from the command line and save numerical output](/_functions/kbResource?path=markdown%2Fjosim-cli-output.md) — 2.9.0 release target; source-documentation evidence
- [Run a circuit from Python with josimpro](/_functions/kbResource?path=markdown%2Fjosim-python-first-run.md) — 2.9.0 release target; source-documentation evidence
- [Understand Python Runtime defaults and netlist overrides](/_functions/kbResource?path=markdown%2Fjosim-runtime-precedence.md) — 2.9.0 release target; matching isolated Windows Python review module/core
- [Run the intended saved netlist and recognise stale results](/_functions/kbResource?path=markdown%2Fjosim-run-current-source.md) — 2.9.0 release target; current-source Windows candidate evidence
- [Export waveform figures or numerical CSV/TSV data](/_functions/kbResource?path=markdown%2Fjosim-export-results.md) — 2.9.0 release target; current-source Windows candidate evidence
- [Check a JoSIM workspace before running simulations](/_functions/kbResource?path=markdown%2Fjosim-workspace-diagnostics.md) — 2.9.0 release target; current Windows native diagnostics checks
- [View and arrange a schematic without changing circuit connectivity](/_functions/kbResource?path=markdown%2Fjosim-schematic-view.md) — 2.9.0 release target; current Windows native schematic and saved-layout checks
- [Install and launch InductEx® on Windows](/_functions/kbResource?path=markdown%2Finductex-install-windows.md) — 8 beta/preview; source-documentation evidence
- [Install and launch InductEx® on Linux](/_functions/kbResource?path=markdown%2Finductex-install-linux.md) — 8 beta/preview; source-documentation evidence
- [Install and launch InductEx® on macOS](/_functions/kbResource?path=markdown%2Finductex-install-macos.md) — 8 beta/preview; source-documentation evidence
- [Install and launch JoSIM®-Pro 2.9 on Windows](/_functions/kbResource?path=markdown%2Fjosim-install-windows.md) — 2.9.0 release target; source-documentation evidence
- [Install and launch JoSIM®-Pro 2.9 on Linux](/_functions/kbResource?path=markdown%2Fjosim-install-linux.md) — 2.9.0 release target; source-documentation evidence
- [Install and launch JoSIM®-Pro 2.9 on macOS](/_functions/kbResource?path=markdown%2Fjosim-install-macos.md) — 2.9.0 release target; source-documentation evidence
- [Read named waveform arrays and export CSV from Python](/_functions/kbResource?path=markdown%2Fjosim-api-output.md) — 2.9.0 release target; bounded Windows CLI/Python evidence
- [Use extracted InductEx® values in a JoSIM circuit](/_functions/kbResource?path=markdown%2Fcross-tool-extracted-circuit.md) — InductEx 8.0.1 Windows CLI; JoSIM-Pro 2.9.0 Windows review CLI
- [InductEx® finishes but does not create a back-annotated deck](/_functions/kbResource?path=markdown%2Finductex-backannotation-no-output.md) — InductEx 8.0.1 Windows CLI
- [Write and run a complete JoSIM circuit netlist](/_functions/kbResource?path=markdown%2Fjosim-netlist-basics.md) — 2.9.0 release target; bounded Windows RC CLI evidence
- [Reuse a parameterised subcircuit from an included library](/_functions/kbResource?path=markdown%2Fjosim-hierarchical-design.md) — 2.9.0 release target; bounded Windows RC CLI evidence
- [Choose and refine simulation and output time steps](/_functions/kbResource?path=markdown%2Fjosim-transient-timestep.md) — 2.9.0 release target; bounded Windows RC CLI evidence
- [Measure transient delays, peaks and scalar results](/_functions/kbResource?path=markdown%2Fjosim-measurements.md) — 2.9.0 release target; bounded Windows RC CLI evidence
- [Make noisy and spread simulations reproducible](/_functions/kbResource?path=markdown%2Fjosim-seed-repeatability.md) — 2.9.0 release target; frozen Windows candidate CLI and maintained-source evidence
- [Stream, compress or keep simulation results in files](/_functions/kbResource?path=markdown%2Fjosim-stream-compressed.md) — 2.9.0 release target; frozen Windows candidate CLI and maintained-source evidence
- [Sweep parameters and keep every case separate](/_functions/kbResource?path=markdown%2Fjosim-parameter-sweeps.md) — 2.9.0 release target; frozen Windows candidate CLI and maintained-source evidence
- [Save a transient testbench with explicit pass and fail criteria](/_functions/kbResource?path=markdown%2Fjosim-testbench.md) — 2.9.0 release target; frozen Windows candidate CLI and maintained-source evidence
- [Run a static operating point or DC source sweep](/_functions/kbResource?path=markdown%2Fjosim-dc-op.md) — 2.9.0 release target; frozen Windows candidate CLI/native evidence
- [Run and interpret a complex small-signal AC analysis](/_functions/kbResource?path=markdown%2Fjosim-ac-analysis.md) — 2.9.0 release target; frozen Windows candidate CLI/native evidence
- [Create parameterised IXI geometry without a GDS file](/_functions/kbResource?path=markdown%2Finductex-ixi-geometry.md) — 8 beta/preview
- [Define and inspect an LDF fabrication process](/_functions/kbResource?path=markdown%2Finductex-process-build.md) — 8 beta/preview
- [Build the circuit netlist required for extraction](/_functions/kbResource?path=markdown%2Finductex-netlist-build.md) — 8 beta/preview
- [Define layout ports and match them to the circuit](/_functions/kbResource?path=markdown%2Finductex-port-design.md) — 8 beta/preview
- [Results still says Completed after I edit an IXI file](/_functions/kbResource?path=markdown%2Finductex-completed-after-edit.md) — 8 beta/preview
- [Choose mesh settings and measure memory and runtime](/_functions/kbResource?path=markdown%2Finductex-mesh-size-cost.md) — Windows InductEx 8.0.1 / TTH 1.1.50 measured case; other releases require review
- [Export a mesh snapshot and recover a failed save](/_functions/kbResource?path=markdown%2Finductex-mesh-snapshot.md) — Windows Studio/Core 8.0.1 source candidate; final-package review pending
- [Generate and inspect magnetic field and current density plots](/_functions/kbResource?path=markdown%2Finductex-field-plots.md) — Windows InductEx 8.0.1 / TTH 1.1.50 and Studio source candidate; final-package review pending
- [Inspect, edit and save a GDS layout in Studio](/_functions/kbResource?path=markdown%2Finductex-gds-edit-export.md) — 8 preview; Windows source-candidate evidence
- [Embed JoSIM from C or C++ through the C API](/_functions/kbResource?path=markdown%2Fjosim-c-cpp-api.md) — 2.9.0 release target; installed Windows x64 SDK evidence
- [Configure and interpret an Optimum™ margin study](/_functions/kbResource?path=markdown%2Foptimum-margin-workflow.md) — JoSIM-Pro 2.9.0 release target; frozen current-source Windows evidence
- [Configure and interpret an Optimum™ yield study](/_functions/kbResource?path=markdown%2Foptimum-yield-workflow.md) — JoSIM-Pro 2.9.0 release target; frozen current-source Windows evidence
- [Run Optimum™ optimisation and verify the saved candidate](/_functions/kbResource?path=markdown%2Foptimum-optimize-workflow.md) — JoSIM-Pro 2.9.0 release target; frozen current-source Windows evidence
- [Inspect and run Optimum™ with structured JSON receipts](/_functions/kbResource?path=markdown%2Foptimum-agent-receipts.md) — JoSIM-Pro 2.9.0 release target; frozen current-source Windows evidence
- [Run an InductEx® parameter study with separate checked cases](/_functions/kbResource?path=markdown%2Finductex-sweeps.md) — 8 beta/preview; Windows catalog 8.0.1 / TTH 1.1.50 scoped evidence
- [Refine S-Parameter frequencies and distinguish solved data from plot detail](/_functions/kbResource?path=markdown%2Finductex-frequency-refinement.md) — 8 beta/preview; Windows Core 8.0.1 / current-source Studio candidate
- [Create and verify a portable InductEx® calculation record](/_functions/kbResource?path=markdown%2Finductex-export-project.md) — 8 beta/preview; Windows catalog 8.0.1 / TTH 1.1.50
- [Export a selected Studio support bundle and review its contents](/_functions/kbResource?path=markdown%2Finductex-support-bundle.md) — 8 beta/preview; current-source Windows Studio candidate / Core 8.0.1
- [Run and validate a standalone TetraHenry® calculation](/_functions/kbResource?path=markdown%2Ftetrahenry-complete-run.md) — TTH 1.1.50 bundled with Windows InductEx 8.0.1; manual 1.1.40 used as a bounded reference
- [TetraHenry® writes a result but reports conflicting convergence status](/_functions/kbResource?path=markdown%2Ftetrahenry-conflicting-status.md) — TTH 1.1.50 bundled with Windows InductEx 8.0.1; manual 1.1.40 used as a bounded reference
- [Export LDF layer mappings as InductEx-LVS™ technology JSON](/_functions/kbResource?path=markdown%2Finductex-convert-technology.md) — 8 beta/preview; frozen current-source Windows Studio candidate with Core 8.0.1
- [Characterise a junction model with an IV curve](/_functions/kbResource?path=markdown%2Fjosim-iv-characterisation.md) — 2.9 target; frozen maintained-source Windows candidate
- [An IV curve or run record does not match the expected model](/_functions/kbResource?path=markdown%2Fjosim-iv-result-checks.md) — 2.9 target; frozen maintained-source Windows candidate
- [Use a protected process file and diagnose access failures](/_functions/kbResource?path=markdown%2Finductex-protected-process.md) — 8.0.1 Windows / current-source Studio review
- [Find declarations, references and source locations](/_functions/kbResource?path=markdown%2Fjosim-editor-navigation.md) — 2.9.0 release target; scoped Windows current-source editor/C API checks
- [Use completion, linked snippets and live diagnostics](/_functions/kbResource?path=markdown%2Fjosim-editor-completion.md) — 2.9.0 release target; scoped Windows current-source editor/C API checks
- [Import an external Gmsh structure and check its result](/_functions/kbResource?path=markdown%2Finductex-gmsh-import.md) — 8.0.1 Windows / current-source Studio review
- [Model package bonds and check their electrical contacts](/_functions/kbResource?path=markdown%2Finductex-package-wirebond.md) — 8.0.1 Windows / current-source Studio review
- [Choose JoSIM settings by scope and recover an override](/_functions/kbResource?path=markdown%2Fjosim-settings-scopes.md) — 2.9.0 release target; maintained Linux CLI and Windows native settings candidate checks
- [Run isolated Linux sweep workers with explicit memory limits](/_functions/kbResource?path=markdown%2Fjosim-parallel-runs.md) — 2.9.0 release target; maintained Linux CLI and Windows native settings candidate checks
- [Compare cases and create derived traces or measurements](/_functions/kbResource?path=markdown%2Fjosim-derived-traces.md) — 2.9.0 release target; scoped current Windows native/CLI and Linux CLI candidate checks
- [Hand off an already fitted line model from external network data](/_functions/kbResource?path=markdown%2Fsparameter-model-handoff.md) — 2.9.0 release target; current Windows native and CLI scalar-line checks
- [Review Git changes, stage selected lines and resolve a source conflict](/_functions/kbResource?path=markdown%2Fjosim-git-review.md) — 2.9.0 release target; current Windows Git controls and read-only C API checks
- [Restore Studio panels, preferences and a saved session](/_functions/kbResource?path=markdown%2Finductex-restart-state.md) — Current-source Windows Studio candidate with Core 8.0.1; final GUI package applicability pending
- [Preview and apply JoSIM quick fixes across source files](/_functions/kbResource?path=markdown%2Fjosim-quick-fixes.md) — 2.9.0 release target; current Windows native diagnostics checks
- [Check saved JoSIM inputs before running a simulation](/_functions/kbResource?path=markdown%2Fjosim-saved-circuit-check.md) — 2.9.0 release target; current Windows native diagnostics checks
- [Drive JoSIM from a custom waveform or uniformly sampled CSV](/_functions/kbResource?path=markdown%2Fjosim-custom-waveform.md) — 2.9.0 release target; newly frozen Windows CUS review candidate
- [Simulate a diode and check current, charge and reference limits](/_functions/kbResource?path=markdown%2Fjosim-diode-current-charge.md) — Fresh current-source Windows 2.9.0 review candidate; final-package/platform checks pending
- [Define and validate polynomial current and charge](/_functions/kbResource?path=markdown%2Fjosim-polynomial-current-charge.md) — Fresh current-source Windows 2.9.0 review candidate; final-package/platform checks pending
- [Use dependent sources and verify their control direction](/_functions/kbResource?path=markdown%2Fjosim-controlled-sources.md) — Fresh current-source Windows 2.9.0 review candidate; final-package/platform checks pending
- [Compare and restore a previous saved source version](/_functions/kbResource?path=markdown%2Fjosim-local-save-history.md) — Fresh current-source Windows 2.9.0 review candidate; final-package/platform checks pending
- [Choose autosave and recover unsaved source](/_functions/kbResource?path=markdown%2Fjosim-autosave-recovery.md) — Fresh current-source Windows 2.9.0 review candidate; final-package/platform checks pending
- [Search and replace across a workspace](/_functions/kbResource?path=markdown%2Fjosim-workspace-replace.md) — Fresh current-source Windows 2.9.0 review candidate; final-package/platform checks pending