One of the key elements to making scientific measurements in an EMC lab in today's modern world is having the engineers understand and control the Measurement Uncertainty (MU) of the instrumentation used for making conducted and radiated emission measurements. The emission levels measured by an accredited lab must have measurement uncertainties below certain levels to be … [Read more...]
Holding Steady
As the economy gained momentum in late 2009 and early 2010, engineering organizations, like every other business sector, sensed promise that a strong, self-sustaining recovery was kicking in. However, as government spending to stimulate the economy trailed off and businesses concentrated on rebuilding their inventories, the growth rated started to slow – a pattern that … [Read more...]
Fiber Optic Rotary Encoder Technology Offers EMI Immunity for Motion Control Applications in Harsh Environments: Two Case Studies
The passive nature of fiber optic technology provides a fundamental solution to interference plagued transmission problems DENNIS HORWITZ, MICRONOR INC. IN MANY INDUSTRIAL automation or motion control applications, equipment can be exposed to EMI generated by nearby equipment. These noisy electrical environments can induce errors in the communications link between the … [Read more...]
Powerline Filter Cancels Surges
Series-mode filters contain residual surge voltage within normal power line voltage ranges while avoiding the inconvenience and costs of downtime J. RUDY HARFORD, Zero Surge Inc. WITHIN THE MODERN home and workplace, an ever-growing number of sensitive electronic systems are vulnerable to power line surges that can disrupt or damage vital equipment. Obviously, a filter that … [Read more...]
