Presenter: Ken Wyatt, Senior EMC Engineer, Wyatt Technical Services LLC Question: What you describe is good for big PC boards. How do you handle first EMC measurements for very small PC boards (like the size of a pencil)? Answer: I did have to evaluate a medical product with a very small PC board. For emissions, I’d test like any other board. However, for identifying … [Read more...]
New Handheld Current Probes Operate up to 1.5 MHz
Cal Test Electronics has introduced the new CP6000 series, a four-model family of ELDITEST AC/DC oscilloscope clamp-on current probes with the highest frequency range available on the market. Available with an operating bandwidth ranging from 300 kHz to 1.5 MHz, the new CP6000 series current probes feature dual-range selectivity, over-range indicator and current capability … [Read more...]
Handheld Digital Storage Oscilloscopes for Industrial Applications
B&K Precision has released its new 2510 series handheld dual-channel digital storage oscilloscopes (DSO) that includes 60 MHz and 100 MHz bandwidth models in non-isolated and isolated designs. Models 2511 and 2512 provide non-isolated 300 V CAT II rated inputs and are suitable for general electronics, while models 2515 and 2516 provide two fully isolated 1,000 V CAT II / … [Read more...]
View Our Webinar and Q&A Session for 'EMC Troubleshooting Tools and Techniques'
Overview: Failures during EMC product qualification testing can result in expensive delays and possible redesign. Understanding simple EMC design basics go a long way towards minimizing these risks. This webinar will review the most common design issues and demonstrate simple troubleshooting techniques to identify issues early in the design process. What You Will Learn: - … [Read more...]
IEC 60243-2:2013: Electric Strength of Insulating Materials – Test Methods – Part 2: Additional Requirements for Tests Using Direct Voltage
From the International Electrotechnical Commission webstore: "IEC 60243-2:2013 gives requirements additional to those in IEC 60243-1 for the determination of the electric strength of solid insulating materials under direct voltage stress. This third edition cancels and replaces the second edition published in 2001, and constitutes an editorial revision." … [Read more...]
Surface-Mount ESD Protection Diodes for Portable Electronics
Vishay Intertechnology, Inc. has announced a new series of surface-mount ESD protection diodes in a low-profile SMF package that provide high surge capability of 200 W at 10/1000 µs for portable electronics. The SMFxxA series consists of 32 devices with working voltages from 5 V to 58 V. The new devices offer a peak pulse current from 2.1 A to 21.7 A, excellent clamping … [Read more...]
High Pass Filter Boosts Performance with High-Q Capacitors and Air Coil Inductors
Mini-Circuits, a provider of RF/IF and microwave components, has released its new RHP-700+ surface mount high pass filter built with high-Q capacitors and air coil inductors for superior performance. Ideal for square kilometer array telescope systems for radio astronomy and aeronautical/aviation, wireless communications service and maritime applications, the the new RHP-700+ … [Read more...]
Radio Frequency Device Stops Vehicles in Their Tracks
British engineers have developed a new prototype device that uses electromagnetic pulses to stop moving cars and other vehicles E2V’s RF Safe-Stop uses radio frequency pulses to disrupt a vehicle’s electronic systems, causing the engine to shut down. The device could be used by the military to prevent unauthorized vehicles from entering restricted areas, or by the police to … [Read more...]
Verizon 700MHz LTE Service Distorts Time Warner Cable Signals
In North Carolina, customers of Time Warner Cable Company have linked the appearance of blurry, pixelated images on their televisions to nearby use of Verizon LTE smartphones. According to local station WRAL-TV in Raleigh, NC, Time Warner Cable recently moved some TV channels, including WRAL-TV, to the same broadband spectrum that serves Verizon’s 4G LTE data service. Verizon … [Read more...]
New High Performance Passive Harmonic Filter Outperforms Active Filters
MIRUS International has introduced the LINEATOR High Performance (HP), a new high performance advanced universal harmonic filter (AUHF) (AUHF). Designed to enable efficiency gains of at least 2 percent, The LINEATOR is free of high frequency harmonics and noise issues associated with inverters used in active solutions. Unlike active front ends (AFE) and active harmonic filters … [Read more...]
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