EMC Testing

This section aims to elucidate the underlying testing philosophy for all EMC tests, spanning emissions, immunities, transients, and performance. Our main emphasis is on benchtop pre-compliance EMC testing, considering that design engineers are often constrained by the test equipment at their disposal.

Some details regarding the conducted emission test set-up

Conducted Emission Pre-compliance Basics

Separate common-mode and differential-mode signals

Radiated Emissions Set-up

And more

A Low-cost Bulk Current Injection Test Set-up

Home-made Bulk Current Injection Probe – Improved

Conducted Immunity Pre-compliance Test – A CDN method

Conducted Immunities Tests Basics

And more

Checking ESD discharge waveform

Tracing the noise source using an RF current probe and a near-field probe

Locating power supply unit using a magnetic field loop

Troubleshooting Structural Resonance