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Interference Technology

For EMI / EMC Engineers

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Mitigating EMI Issues In Servo Motors and Variable Frequency Drives

 

Servo motors and variable frequency drives are wide-spread in the industry. Industrial automation cannot be imagined without these motors.  This article deals with certain EMI-related issues inherent to these motors, specifically high-frequency drive signals. Background Servo motors and VFD are typically comprised of two parts - the motor itself and a controller (also … [Read more...]

Sine Wave Filter with EMC Output Filter

 

Schaffner's new FN530 Sine Wave Filter with EMC Output Filter eliminates premature motor damage caused by high dv/dt, overvoltages, cable ringing, motor overheating and eddy current losses in industrial applications. Suitable for motor from 1.5 to 7.5 kW and from 4-16 A, with frequencies up to 200Hz, this technology converts the PWM output voltage of motor drives into a smooth … [Read more...]

5G products shown at EDICON

 

Anritsu Company displayed products and technologies for 5G systems, as well as for military and aerospace applications in its booth at EDI CON USA, September 20-22 in Boston. Advanced systems integrating vector network analyzers (VNAs) that extend to 110 GHz, as well as signal analyzers that provide engineers with the frequency coverage and measurement capability necessary to … [Read more...]

New Detection Device Automates Monitoring and Analysis of RF Interference

 

Spirent Communications has introduced  its new GSS200D Interference Detection and Analysis product. The GSS200D was developed as part of Spirent’s partnership with Nottingham Scientific Limited. The GSS200D solution comprises field-based hardware and a secure data server for automatic capture and analysis of global navigation satellite system (GNSS) radio frequency … [Read more...]

Semiconductor Supplier Acquires Company for Cash Payment

 

(Sept. 19, 2016) ON Semiconductor Corporation has recently announced its purchase of Fairchild Semiconductor International, Inc. for $2.4 billion cash. “The acquisition of Fairchild is a transformative step in our quest to become the premier supplier of power management and analog semiconductor solutions for a wide range of applications and end-markets,” said Keith Jackson, … [Read more...]

Extended Length Die-Cast Enclosures

 

The 1590 die-cast enclosures family from Hammond Manufacturing consists of 41 different sizes in the standard rectangular sizes. Two new sizes, the 1590 BX2, 10 x 2.8 x 1.4 inches (254 x 70 x 35mm) and 1590 BX, 10 x 2.8 x 2.0 inches (254 x 70 x 51mm), have been added. The two new sizes have also been specified in a completely different requirement, a radio antenna splitter, … [Read more...]

Product Testing and Certifcation Firm Expands Lab Presence in Florida

 

TÜV SÜD recently announced the acquisition of the assets of Walshire Labs, LLC.(Walshire) along with Product Safety Engineering, Inc.(PSE). In combining the existing TÜV SÜD Tampa lab with two regional partner labs, clients in central Florida and the southeastern US will have access to a 12,000 sq/ft facility for global testing and certification services. Walshire Labs, LLC … [Read more...]

FCC Extends Transition Period for Lab Accreditation

 

(June 15, 2016) The Federal Communications Commission moved to provide testing laboratories with an additional year to meet an accreditation requirement under its equipment authorization rules. The Commission will also provide guidance on the process for recognition of accreditation bodies. The Commission took these actions through a Memorandum Opinion and Order and Order on … [Read more...]

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