Oscilloscope Days 2023

Day 1 – Tuesday, 18.04.2023

Morning

Introduction & Keynote
15 minutes

Oscilloscopes & Probing Fundamentals
75 minutes, Speakers from Rohde & Schwarz

Part I: Oscilloscopes Fundamentals

• Construction blocks of an oscilloscope
• How to estimate needed bandwidth for my application?
• Are more bits always better?
• What to know about signal improvement methods like HiRes, averaging, HD Mode?
• Why use an oscilloscope for EMI fault hunting?

Part II: Probes Fundamentals

• Construction blocks of passive, active and high voltage probes
• How to choose the right probe?
• To GND or not to GND a differential probe?

Afternoon

Part I: Power Electronics - Best practices on high voltage and current probing?
45 minutes, Speakers from Rohde & Schwarz

• What are typical measurement scenarios?
• What to keep in mind for selection of probing points?
• How to measure the current in power applications?

Part II: Efficient Filter connection
45 minutes, Speakers from Wurth Elektronik

• Filter, Simulation und Parasitics
• Filter and how they are affected by parasitics like e.g. Vias, PCB cross-section, GND Layers, …
• Simulation with LTSpice and what to keep in mind

Day 2 – Wednesday, 19.04.2023

Morning

Introduction
15 minutes

Power Integrity, Signal Integrity and Deembedding?
75 minutes, Speakers from Rohde & Schwarz

Part I: Power Integrity and how it affects Signal Integrity

• Introduction to typical analysis and hurdles in Signal and Power Integrity.
• How are Signal and Power Integrity linked together?
• How to hunt down Power Integrity issues in Jitter separation?

Part II: Deembedding – Benefits and Limitations

• What is deembedding?
• How to get parameters of my fixture to deembed?
  - Difference Cable, Fixture, Single-Ended and Differential
  - Comparison to Calibration?
  - Comparison to other methods.
• Introduction ISD Deembedding

Afternoon

Part I: Application Testing for Power Electronics
45 minutes, Speakers from PE Systems

• Why is qualification of power electronics relevant?
• What is the difference between characterization of a power semiconductor and the application based testing?
• What benefits could an up to date power electronics test system deliver?
• Which parameters and environmental conditions shall be tested?

Part II: EMC debugging on Flyback converters
45 minutes, Speakers from Wurth Elektronik

• How to select the right counter measures?
• How to validate the effectiveness of counter measures?
• Practical examples