Application of Thrifty Test Equipment for EMC Testing

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Thrifty test methods to solve product EMC issues, which are often identified during qualification testing in an accredited EMC test lab; typically late in the design cycle.

Obtaining a cost-effective solution to these EMC issues may be time-consuming. However, most EMC labs are usually fully booked, have long lead times, limited time available, and are expensive (typically > $2k per shift).

Inexpensive test equipment and procedures (let’s call them thrifty methods) used for helping to solve these EMC issues outside an EMC lab are very desirable especially if no in-house EMC facilities are readily available.

Although the thrifty method is mainly used to compare results before and after implementing a fix (not meeting a spec limit), after some experience, it can also be used in the pre-qualification development stage early in the design cycle to identify potential issues before formal lab testing.

Identifying issues early allows maximum flexibility to experiment and sufficient reaction time before a design is frozen and difficult to change.

Thrifty test methods to solve product EMC issues, which are often identified during qualification testing in an accredited EMC test lab; typically late in...

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