Glossary of terms

Analysis and Simulation

Comprehensive simulation and verification tools to predict design performance before manufacturing, reducing costly revisions.

Virtual testing and validation before physical implementation to guarantee compliance with technical requirements.

The Analysis and Simulation suite in Altium Designer 2025 provides comprehensive simulation and verification tools designed to predict design performance before manufacturing. These powerful analysis capabilities enable engineers to identify and resolve potential issues early in the design process, significantly reducing costly revisions and accelerating time to market.

Overview

Modern electronic designs face increasingly complex challenges - from high-speed signal integrity to thermal management and electromagnetic compatibility. Altium Designer's integrated simulation environment addresses these challenges with sophisticated analysis tools that work seamlessly within your design workflow. By validating designs virtually, engineers can explore what-if scenarios, optimize performance, and ensure manufacturing success before committing to hardware.


Core Analysis Tools


Circuit Simulator

Virtual modeling and analysis of electronic circuit behavior directly within the schematic environment.

Key Features:

  • SPICE-based simulation - Industry-standard accuracy for circuit analysis
  • Multiple analysis types - DC, AC, transient, and parametric sweeps
  • Real-time parameter tuning - Adjust component values and see instant results
  • Interactive waveform viewer - Professional oscilloscope-like display
  • Monte Carlo analysis - Statistical variation testing for robust designs
  • Temperature analysis - Circuit behavior across temperature ranges


  • Signal Integrity (SI) Analyzer

    Advanced analysis of high-speed signal behavior to ensure reliable data transmission.

    Key Features:

  • Pre-layout and post-layout analysis - Verify designs at every stage
  • Eye diagram generation - Visualize signal quality and timing margins
  • Crosstalk analysis - Identify and mitigate signal interference
  • Reflection and termination analysis - Optimize impedance matching
  • Lossy transmission line modeling - Accurate high-frequency behavior
  • Multi-board signal path analysis - System-level signal integrity


  • Power Integrity (PDN) Analyzer

    Comprehensive power delivery network analysis for stable and efficient power distribution.

    Key Features:

  • DC voltage drop analysis - Identify areas of excessive resistance
  • AC impedance analysis - Frequency-domain PDN characterization
  • Current density visualization - Thermal hotspot prediction
  • Decoupling capacitor optimization - Right-size your power filtering
  • Via and plane current analysis - Detailed current path visualization
  • Multi-rail analysis - Complex power system verification


  • EMI/EMC Analyzer

    Predictive electromagnetic interference and compatibility analysis to ensure regulatory compliance.

    Key Features:

  • Near-field emissions prediction- Identify potential EMI sources
  • Common-mode radiation analysis - Differential pair EMI assessment
  • Return path analysis - Minimize loop areas and radiation
  • Shielding effectiveness - Evaluate enclosure and shielding designs
  • Pre-compliance checking - Reduce certification test failures
  • Rule-based EMC analysis - Automated design review


  • Thermal Analyzer

    Thermal simulation to predict and manage heat distribution across your PCB design.

    Key Features:

  • 3D thermal modeling - Complete board thermal analysis
  • Component junction temperature - Ensure safe operating conditions
  • Airflow simulation - Natural and forced convection modeling
  • Heat sink optimization - Right-size thermal solutions
  • Transient thermal analysis - Time-based temperature response
  • Multi-board thermal coupling - System-level heat management


  • Cloud-Based Simulation

    Harness the power of cloud computing for complex simulations without local resource limitations.

    Key Features:

  • Scalable computing power - Run intensive simulations faster
  • Parallel processing - Multiple simulations simultaneously
  • No local hardware requirements - Access supercomputer performance
  • Automatic result synchronization - Seamless integration with desktop
  • Collaborative analysis - Share results with team members
  • Cost-effective resource usage - Pay only for what you use


  • Integrated Workflow

  • Seamless Design Integration
  • Direct access from schematic and PCB editors
  • Automatic model extraction from design data
  • Synchronized updates with design changes
  • Unified result visualization


  • Cross-Domain Analysis

  • Combined thermal and electrical simulation
  • Signal integrity with power integrity correlation
  • EMC prediction based on SI/PI results
  • Holistic design verification


  • Design Optimization

  • What-if scenario exploration
  • Automated parameter sweeping
  • Design space exploration
  • Performance vs. cost trade-offs

  • Key Benefits


    Risk Reduction

    Identify issues before prototyping. Reduce design iterations. Minimize field failures. Ensure first-time success.


    Performance Optimization

    Fine-tune critical parameters. Balance competing requirements. Achieve optimal designs. Maximize product reliability.


    Cost Savings

    Fewer physical prototypes needed. Reduced testing time. Lower development costs. Faster time to market.


    Compliance Assurance

    Meet regulatory requirements. Pass certification testing. Ensure product safety. Maintain quality standards.


    Best Practices


    Early Analysis

    Begin simulation during schematic design. Iterate frequently as design progresses. Use pre-layout SI analysis for planning. Establish performance budgets early.


    Comprehensive Coverage

    Analyze all critical signals. Check power integrity for all rails. Verify thermal performance under worst-case conditions. Consider manufacturing variations.


    Collaborative Approach

    Share simulation results with the team. Document analysis assumptions. Create reusable simulation setups. Establish analysis checkpoints.


    Summary


    Altium Designer's Analysis and Simulation tools provide the comprehensive verification capabilities needed for today's complex electronic designs. By integrating powerful simulation directly into the design environment, engineers can confidently predict performance, optimize their designs, and ensure manufacturing success. From basic circuit simulation to advanced signal integrity and thermal analysis, these tools work together to deliver a complete pre-manufacturing verification solution.

    The combination of desktop and cloud-based simulation options ensures that computational power is never a limitation, while the integrated workflow means analysis results directly inform design decisions. This proactive approach to design verification significantly reduces risk, accelerates development, and ensures your products meet all performance and regulatory requirements.




    Analysis and Simulation in ECAD-MCAD