self interference demo USB3 and 2.4GHz

2.4GHz Intra-System (or Self/Platform) Interference Demonstration

In this blog we are going to take a short look at noise and interference…
RCWL-0516 - board image from github.com-jdesbonnet

Compliance Assessment of a RWCL-0516 Doppler Radar Motion Detector

I've been helping a customer out with some EMC pre-compliance…
conductive contamination underneath surface mount isolated power supply causing line to earth surge failure(marked up photo)

Surge Test Failure Due to PCB Manufacturing Process

We recently had a piece of customer equipment fail the IEC 61000-4-5…
V2 pocket EMC debug probe PCB - near field probe set - board front

Pocket EMC Debug Probe V2

This is a work in progress guide for the assembly and use of…
list of text results from a bsi search

Checking British Mains Plug License Number

(ASTA Intertek also approve UK mains plugs, more details coming…

A Bag of Water.

This is a very useful analogy to use when considering an EMC…
test report extract showing all tests passed

Thoughts: First Time Pass Rate

This question popped up on one of the email lists that I'm a…

New Team Member @ Unit 3 Compliance

Unit 3 Compliance has officially doubled in size with the employment…

Thoughts on In House Pre-Compliance Test Equipment

From an email sent to a customer who asked for some feedback…

Low Frequency, Common Mode, Conducted Emissions

Here is an interesting problem I had working on piece of industrial…

Choosing EMC/Radio Standards for CE/UKCA - Generic vs Specific

A short post prompted by a (summarised) request from a customer:   We'd…

Quick Reference - Immunity Test Steps and Test Time

Here is a quick reference for common EMC immunity tests for a…

Labview VI For Calculating EMC Immunity Test Frequency Steps and Test Time

This replaces an Excel macro I've used in the past with something…

EUT Monitoring Hardware

For Equipment Under Test (EUT) monitoring during EMC tests we've…
dc dc converter emissions before and after with notes on sources

Li-Ion Battery Charger DC/DC Converter - Radiated Emissions Problem Solving

I had a challenging EMC problem solving project in the lab this…

HDMI? More like HDM-WHY? Thoughts on Cable Shield Grounding

Ladies and gentlemen, I present this week's episode of "Crimes…

EMC Immunity Testing EUT Monitoring Software

One of the hardest parts of EMC immunity testing is monitoring…
selection table from 300 019-1-0

How Do I Choose Vibration Tests For My Product?

I... I love the way my product's made We all worked hard…

1% For The Planet - Donations FY 2019

As part of our membership of 1% For The Planet we've made donations…
ukca mark

Brexit & UKCA Mark Updates

Because of the United Kingdom leaving the EU, the CE Mark will…
EMC Certification is not just a rubber stamp by the test lab!

"Do You Do Certification?"

"Do you do certification or just pre-testing?" "Can you certify…

ESD Latch Up Behaviour in Diodes Inc. Power Switch Parts

A new customer came to me with their product that was having…
Schaffner/Teseq NSG 5500 test system

New Automotive Test Capabilities ISO 7637-2

The best day is new equipment day 🙂 We are continuing to…
Schaffner/Teseq NSG 5500 test system

Standards Update for Bluetooth/Zigbee/WLAN Radios

There's a new v2.2.2 revision of ETSI EN 300 328 - the 2.4GHz…