Alastair R. Ruddle, Ph.D. Computational Electromagnetic Specialist, MIRA Limited Radiated electromagnetic emissions measurement standards for road vehicles were developed at a time when the main threat posed by radio-frequency noise from vehicles was interference to broadcast transmissions from spark ignition systems. Since that time, however, on-going technological … [Read more...]
DC Link Capacitor for Use in Fast-Switching Power Modules
Electronics company TDK Corporation has released the EPCOS CeraLink, a DC link capacitor for use in fast-switching power modules for industrial and automotive electronics. According to the company, CeraLink is “based on a PLZT ceramic material (lead lanthanum zirconate titanate) and covers a capacitance range from 1 µF to 100 µF at a rated voltage of 400 V DC.” The company … [Read more...]
Pulse Generator for Automotive EMC Test Systems
Teseq Inc., a developer of instrumentation and systems for EMC emission and immunity testing, has released the FT 5531 pulse generator for automotive EMC test systems. According to the company, the FT 5531 is an upgraded version of the TF5530 that offers improved accuracy and supports classic and modern testing standards. The FT5531 pulse generator features a 150 ns pulse … [Read more...]
Full-Digital Audio Amplifier Eliminates Need for Filtering Circuitry
Semiconductor manufacturer STMicroelectronics has released a full-digital, audio amplifier system-on-chip family for use in dash-mounted sound-system automotive control panels. According to the company, the new full-digital amplifier represents the company’s triumph over traditional cost, pc-board size and EMI issues that have confined automotive class-D applications to … [Read more...]
Multilayer Varistors for ESD Protection in Automotive Electronics
TDK Corporation has released the E series of EPCOS multilayer varistors for electrostatic discharge protection of bus systems in automotive electronics. The new series of multilayer varistors exhibits an operating temperature of up to 150°C with an operating voltage range of 14 V DC to 40 V DC. The E series is compliant with AEC-Q200 and RoHS-compatible. For more … [Read more...]
Ethernet Examined as Possible Solution for Faster Networking in Automotive Systems
As the consumer demand for increasingly complex automotive systems increases, companies continue to strive for more efficient means of transferring data between automotive components. Cars have utilized the CAN bus standard since the 1990s to send data at a rate of one megabit per second between sensors and engine controllers; however, the addition of airbags and safety … [Read more...]
Researchers Use Magnets to Charge Electric Car and Prevent EMI
Researchers at the University of British Columbia (UBC) have developed an electromechanical vehicle charger that uses remote magnetic gears instead of electrical coils to generate electricity and charge the electric car’s battery without the use of wires or cables. Many traditional wireless charging systems proposed for electric cars require high-frequency electromagnetic … [Read more...]
Unidirectional and Bidirectional ESD Diodes for LED Lighting Manufacturing
Semiconductor company ProTek Devices has released a new business line of individual unpackaged die available in wafer form for LED lighting manufacturers. The die in wafer form are available as unidirectional and bidirectional electrostatic discharge protection diodes. ProTek Devices’ new business line of die available in wafer form for LED lighting applications consists of … [Read more...]
LED-Wireless Optical Networks Eliminate Electromagnetic Interference in Cars
Scientists at the University of Warwick, England are exploring the use of optical wireless in private vehicles. Currently used in aviation, optical wireless may soon be used to in cars to communicate between parts of a car’s engine compartment, eliminating the need for copper wiring. Implementing LED-wireless optical networks in vehicles would significantly reduce the weight … [Read more...]
Future Fuel Efficiency Standard May Boost Electric Car Sales
The White House announced last week that starting with the model year 2025, cars and light trucks will be required to get a minimum of 54.5 miles to the gallon (or consume less than 4.3 liters per 100 kilometers) as part of a plan to significantly tighten future fuel efficiency standards. According to the U.S. Department of Energy, as of 2012 there are no fuel-powered cars … [Read more...]
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