The EMScanner provides board-level design teams with world-leading fast magnetic very-near-field data to help diagnose EMC design challenges. The instrument captures and displays visual images of spectral and real-time spatial scan results in seconds. PCB designers can now scan any board to identify both constant and time based emission sources in the range of 150kHz to 8GHz. This report provides examples of the following types of EMC design issues: filtering, shielding, common mode, current distributions, immunity, and broadband noise as well as non-EMC
uses of the EMScanner.

The EMScanner provides unique pre- and post-EMC compliance testing that images emissions in less than a second. This allows the design team to immediately analyse and compare design iterations. During any new PCB development process, design engineers must find, characterise, and address unintended radiators or RF leakage to pass compliance testing. Ideal PCB projects for the EMScanner are boards designed for high speed, high power, and/or high density/complexity. Any PCB that places a premium on the board real-estate also qualifies as an excellent candidate. The EMScanner allows engineers to visualise the root causes of potential EMC and EMI problems. The patented scanner delivers repeatable and reliable results that pinpoint the cause of a design failure.

As a result, the user can personally test the design without having to rely on another department, test engineer, or time-consuming off-site testing. After diagnosing even an intermittent problem, the engineer can implement a design change and retest. The results provide concrete verification of the effectiveness (or not) of the design change. The EMScanner allows board designers to pre-test and resolve EMC and EMI problems, thus avoiding unexpected EMC compliance test results. The patented scanner’s diagnostic capabilities allow design teams to reduce emission testing times dramatically.

EMScanner users have also documented 50 percent reductions in design cycle times. The compact EMScanner, provides PCB design teams with an easy-to-use, cost-effective, and proven tabletop solution. The EMScanner also provides a unique view into non-EMC related issues at the PCB level such as self-interference or NFC performance.

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Lambda Photometrics is a leading UK Distributor of Characterisation, Measurement and Analysis solutions with particular expertise in Electronic/Scientific and Analytical Instrumentation, Laser and Light based products, Optics, Electro-optic Testing, Spectroscopy, Machine Vision, Optical Metrology, Fibre Optics and Microscopy.