1 | Shielding Effectiveness Simulation
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This is the first Tech Talk in a series of three about EMC simulation in the design process. EMC is a critical consideration in the early design stages of electronic products. To mitigate potential risks, early-stage risk assessment methodologies must be established. This presentation focuses on evaluating shielding effectiveness (SE) as a key factor in EMC performance. We explore SE through three main aspects: (1) a comparison of simulation results with analytical equations to assess predictive accuracy, (2) an investigation of different source and probe configurations to understand their impact on the shielding effectiveness, and (3) a real-world case study examining the shielding effectiveness of a vehicle battery. By integrating these approaches, we provide a structured methodology for early-stage EMC risk assessment, enabling more informed design decisions and improved electromagnetic performance.
Highlights:
- Comparing Simulation and Theory
- New Workflow: Reverberation Chamber Simulation
- Shielding Effectiveness of a E-Car Battery Pack
2 | HV Filter Design by Simulation
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This is the second Tech Talk in a series of three about EMC simulation in the design process. EMC simulations play a crucial role in the design of electronic systems, enabling early validation and optimization of product performance. This presentation demonstrates the application of EMC simulation in the design of a high-voltage filter. We begin by defining the key performance metrics for the filter and modeling emission sources to establish design constraints. Based on these requirements, we select an appropriate filter topology and develop a circuit-level implementation. In the second phase, the circuit is translated into a 3D geometry, where we examine the design of the inductive filter element and analyze the impact of 3D parasitics on overall performance. This approach highlights the advantages of simulation-driven design in achieving robust EMC performance while optimizing efficiency and reliability.
Highlights:
- Learn about different filter topologies
- Use circuit and 3D simulation in the design process of a filter
- Simulate magnetic properties of ferrites
3 | EMC System Level Simulations
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This is the third Tech Talk in a series of three about EMC simulation in the design process. System-level EMC simulations can help in understanding and mitigating interference in complex electronic systems. In this presentation, we explore two case studies demonstrating the application of EMC simulations in automotive environments. The first example examines radiated emissions from an automotive Ethernet link, focusing on the influence of PCB and connector layout. By leveraging simulations, we analyze emission characteristics and propose design optimizations to improve EMC performance. The second example investigates the coupling effects between high-voltage (HV) and low-voltage (LV) systems within a vehicle battery. Through simulation-based analysis, we assess potential interference mechanisms and discuss mitigation strategies. These case studies highlight the effectiveness of system-level EMC simulations in guiding design decisions and ensuring compliance with EMC requirements.
Highlights:
- Learn how to simulate radiated emissions from a system level model
- Understand how individual parts of the system affect the emission
Mitigate emission by shielding or by filtering
