Case Study: AC Mains Input EMC and Safety Troubleshooting

Many of the customers I deal with are technically savvy and extremely good at designing innovative and clever devices. I’m always learning something new every time I get a different product through the door. Unfortunately it isn’t practical or possible to be good at everything and EMC expertise, especially when it comes to fault finding […]

Not just EMC – we get our hands dirty

More than just a test lab, we are your product design partner. A busy week of EMC testing this week on a variety of products but, as the picture suggests, our usefulness doesn’t just stop at testing. One customer posted a sample of their product for testing with the latest sample of DC motor in. […]

Antenna Miniaturisation

An article just published on Nature Communications covers some interesting and quite exciting developments in antenna miniaturisation.   Overview Electrical antennae rely on being resonant or partly resonant with the electromagnetic wave at the frequency of interest. For a dipole, a length of lambda / 4 is ideal but antennae can be designed with electrical […]

Unit 3 Compliance anechoic chamber

Recent Work: Medical Laboratory Equipment EMC Testing and more

It has been an good couple of weeks here at Unit 3 Compliance with some very interesting products to work on. Firstly, I received confirmation from a previous customer that their product has passed the required EMC certification testing at their accredited laboratory with the modifications that we incorporated during our problem resolution work. This is […]

radiated emissions plot showing improvements made to customers product

Brushed DC Motor – EMC Radiated Emissions Problems and Improvements

I’ve been working with a customer whose product had significant broadband radiated emissions throughout the spectrum, helping them with fault finding and improving their EMC performance. Partial information from their certifying test lab appeared to show a regular harmonic series suggesting noise from a digital clock of some kind. However, near field probing with a […]

NFC Antenna Optimisation

We’ve recently been working on optimising an Near Field Communications (NFC) card reader antenna using our skills in wireless integration and antenna design. The customer had an existing system and a new requirement to mount the read antenna at the end of a cable away from the NFC reader mainboard. This involved us working on […]

We Are Opening!

Unit 3 Compliance is a new West Yorkshire based EMC design and test consultancy. It provides a unique service of engineering led EMC test support for your products through the entire design cycle. We know that meeting EMC requirements can be a challenge for companies without their own test facilities or in depth experience which is […]