AEi Systems, Inc.

Analytical HEAVY Lifting

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About the firm

AEi Systems is a specialized electronics engineering practice founded in 1995 as Analytical Engineering. It focuses on worst-case circuit analysis (WCCA), SPICE modeling, signal and power integrity analysis, radiation analysis, reliability, and stress and derating analysis. The practice serves space, aerospace, automotive, medical, and commercial electronics programs. It maintains proprietary parts-variability databases, radiation aging data, and in-house testing facilities to deliver rigorous, independent evaluations.

Established
1995
Team
Small
Firm type
Electrical Engineering · Telecom / RF Engineering · Aerospace Engineering · Defense Engineering · Simulation Engineering

Capabilities

Worst-Case Circuit Analysis (WCCA)

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Rigorous electrical analysis of circuit designs under extreme and end-of-life operating conditions to identify potential failures before manufacturing.

  • Pre-WCCA design review and assessment

    Early-stage assessment of circuit designs to catch potential issues prior to formal worst-case analysis.

  • WCCA document review

    Independent evaluation of existing worst-case analysis documentation to verify accuracy and compliance with standards.

  • Tolerance and sensitivity analysis

    Mathematical evaluation of how component parameter variations affect circuit performance.

  • Monte Carlo analysis

    Statistical simulation of circuit behavior over thousands of pseudo-random parameter combinations.

Signal Integrity Analysis

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Evaluation of high-speed digital boards to ensure signal quality, timing margins, and minimal noise.

  • Timing analysis

    Verification of setup and hold times across digital board interfaces under worst-case temperature and voltage conditions.

  • Interface compatibility analysis

    Assessment of signal levels and receiver compatibility across physical interfaces like LVDS, PCI, and Ethernet.

  • SSO noise and IR drop analysis

    Simulation of simultaneous switching output noise and DC voltage drops in power planes.

  • IBIS and connector/cable modeling

    Development of input/output buffer information specification models to simulate high-speed transmission lines.

Power Integrity Analysis

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Analysis of power distribution networks, sequencing, and noise to guarantee stable voltage delivery to critical ICs.

  • PDN analysis

    Assessment of power distribution network impedance and decoupling capacitor effectiveness.

  • Power sequencing analysis

    Verification of turn-on and turn-off timing requirements for multi-rail FPGAs and processors.

  • Switched-mode power supply (SMPS) analysis

    Simulation and testing of DC-DC converter topologies, regulation, and stability.

Stress and Derating Analysis

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Component-level stress verification to ensure all electronic parts operate within established guidelines under worst-case load conditions.

Radiation Analysis

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Work in this area is organized into supported delivery tasks.

  • Specialized Evaluations Of Integrated Circuits

    Support includes Specialized evaluations of integrated circuits.

  • Space Systems To Assess Vulnerability To Radiation Effects

    Support includes space systems to assess vulnerability to radiation effects.

  • Total Ionizing Dose

    Support includes total ionizing dose.

  • Single Event Effects

    Support includes single event effects.

Reliability and FMEA/FMECA

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Systematic assessments of electronic system reliability, failure modes, and mission risk factors.

  • MTBF/reliability prediction

    Calculation of mean time between failures based on component stress and thermal data.

  • FMEA/FMECA

    Failure Mode and Effects Analysis and Failure Mode, Effects, and Criticality Analysis to isolate system-critical faults.

  • Hardware failure analysis and troubleshooting

    Lab-based diagnostics and circuit simulation to investigate, resolve, and repair unexpected electrical failures.

SPICE Modeling

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Creation, correlation, and validation of accurate component models for electrical simulation platforms.

  • Component and circuit characterization and testing

    In-house lab measurements to extract actual device parameters and correlate models with real-world hardware.

  • IBIS modeling

    Generation of behavioral models for digital integrated circuit pins to support high-speed signal integrity simulations.

  • Connector, cable, and SPICE model development

    High-fidelity modeling of passive transmission line components, parasitics, and cabling networks.

  • Power IC model library development

    Custom library creation of regulators, op-amps, and semiconductors for EDA platforms.

RF and Power Systems Analysis

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Analysis of radio frequency circuitry and power-system designs for satellite, aerospace, and medical programs.

  • RF circuit analysis

    Performance and impedance matching evaluation of radio frequency transmitter and receiver chains.

  • Power supply and converter analysis

    Worst-case analysis of switching power converters, regulators, and point-of-load devices.

  • Power-system worst-case analysis

    End-to-end electrical evaluation of complex power distribution architectures from supply to load.

Industries

Electronics · Space · Aerospace · Defense · Automotive · Medical Devices

Projects

No projects listed yet.