Schemline is an AI-driven optimization engine for analog ICs — built to fit your existing flow, not replace it. Bring your schematic (Xschem import included), declare the spec, and Schemline sizes and certifies the design across all 6 process/voltage/temperature corners.
Schemline is an optimization engine, not a CAD replacement — it plugs into the flow you already have.
Start from a schematic you already have — hand-built, imported from Xschem, or drawn from scratch in Schemline’s own editor. No migration, no rewrite: Schemline reads the circuit as it is — and exports it back to Cadence as Spectre, OCEAN and CDL netlists.
Tell Schemline AI the target in plain language — gain, bandwidth, phase margin, quiescent current. It detects the topology and plans the optimization; you never touch a solver setting.
Schemline resizes the circuit and re-checks every spec across a 6-corner PVT sweep — TT, FF-hot, SS-hot, SS-cold, SF, FS — worst case per process, until every row reads pass.
80% of hardware teams can’t afford professional analog design tools. The market has two extremes and nothing in between.
A complete design environment: schematic capture, ngspice simulation, and AI-driven optimization.
Virtuoso-style wire routing with Manhattan geometry, hierarchical subcircuits, and drag-and-drop from the Sky130A component library. Import existing Xschem schematics directly — hierarchy, orientation, and bus expansion preserved. Familiar to experienced designers, approachable for newcomers.
Persistent ngspice backend with batch execution for multi-run sweeps. Operating point, DC, AC, Transient, Noise, Monte Carlo, corner, and parametric sweep analysis, all from one unified interface with binary rawfile parsing.
100+ specialized tools orchestrated by an LLM. Topology detection, automatic testbench synthesis, coordinate-descent optimization. Type your specs and let Schemline AI do the job for you autonomously.
Native gm/Id methodology, not a plugin. Lookup tables, 4-panel visualization, and a joint multi-device solver that sizes matched devices — current mirrors, cascodes, differential pairs — together instead of one at a time. Every proposed change is checked against a physics-based gate before it’s applied to the schematic.
| Feature | Schemline | Cadence | LTspice | Xschem |
|---|---|---|---|---|
| LLM-Orchestrated Sizing Loop | ✓ Native | ✗ | ✗ | ✗ |
| Automatic Topology Detection | ✓ Built-in | ✗ | ✗ | ✗ |
| gm/Id Methodology | ✓ Native | ⚠ Plugin | ✗ | ✗ |
| Xschem Schematic Import | ✓ Native | ✗ | ✗ | ✓ (native format) |
| Modern UI | ✓ Qt6 | ✗ Legacy | ⚠ Basic | ✗ |
| Cross-Platform | ✓ All | ⚠ Linux | ⚠ Windows | ✓ |
| Free for Academia | ✓ Free | ✗ | ✓ Free | ✓ Free |
| Monte Carlo / Corners | ✓ 6-corner | ✓ | ✗ | ✗ |
| Parasitic Extraction & Signoff DRC/LVS | ✗ | ✓ Quantus/Pegasus | ✗ | ✗ |
| Mixed-Signal Co-Simulation | ✗ | ✓ AMS Designer | ✗ | ✗ |
| Price | Free – €5k | €50k–200k | Free | Free |
80% of the analog EDA market is split between tools that are free but manual, and tools that cost €100k+/yr. Schemline captures the underserved segment in between with a three-tier SaaS model.
Final pricing set at launch. Global EDA software market: $12B+. Target segment: analog design tools, est. €500M.
Schemline is in private development ahead of a public launch. Reach out to discuss the technology, the market, or the roadmap.