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What is EMI?
Electromagnetic interference or EMI is an electrical disturbance (interference or noise) in a system due to natural phenomena, low-frequency waves from electromechanical devices or high-frequency waves from ICs and other electronic devices.
total search1451 articles
2005-07-15 Controllers take hold of EMI
Alliance Semiconductor's newest family of PWM controllers, the ASM8P18xx, includes user-configurable spread spectrum modulation circuitry to reduce electromagnetic interference.
2013-01-31 Conquering EMI challenges in automotives
The issues on radiated emissions and other electro-magnetic disturbances have to be addressed if Ethernet is going to be considered by the automotive manufacturers.
2009-07-23 Connector delivers optimum EMI shielding
ITT Interconnect Solutions has introduced the high reliability 38999 series of connectors for both RF and signal contacts that supports up to 128 contacts and features superior EMI shielding while meeting stringent MIL-DTL-38999 series I, II and III standards.
2014-09-29 Conductive film touts clear EMI shielding
Available in 100m thin-film form, the AC2ES utilises conductive nanoparticles that are only 5m or 10m thick. It offers EMI shielding for industrial and consumer electronics.
2005-06-20 Conducted EMI filter design for the NCP1200
This app note briefly describes the mechanism of conducted EMI noise generation and depicts a way to circumvent it.
2010-08-02 Compact AC power entry module integrates EMI filter
The 5008 power entry module integrates EMC filtering at the point of power entry, ensuring an optimal effect on the EMC performance of the appliance.
2002-09-09 COMOSS 1394b connectors offer EMI shielding
COMOSS Electronic Co. Ltd 's series of 1394 connectors employs a "Double-Layered Full-Shielding" isolation to minimize EMI in portable devices.
2005-07-06 CMD's ASIP filter arrays offer superior EMI filtering performance
CMD has unveiled a family of packaged Centurion ASIP EMI filter arrays that promises superior EMI filtering performance combined with robust ESD protection in the most compact package available for use in mobile handsets.
2006-10-05 CMD touts 'thinnest' EMI filters for portables
CMD has extended its family of ASIP devices that feature both EMI filtering and ESD protection in what the company touts as the thinnest and most compact packages available for use in mobile handsets.
2004-06-15 CMD rolls out EMI filters with ESD protection for handsets
The company released an EMI filter array for data lines that connect the RF wireless and baseband chipsets, key pad modules, I/O data ports and buses in mobile apps.
2004-05-21 CMD EMI filter array comes with ESD protection
California Micro Devices has developed a four channel EMI filter array with ESD protection.
2004-11-02 Clock oscillators reduce EMI by up to 12dB
Mercury Electronic announced that its new HM57 spread spectrum clock oscillators can reduce EMI by as much as much as 12dB.
2007-08-23 Clock modulators reduce EMI in large-format LCD panels
Maxim claims that its new center spread-spectrum clock modulators are suitable for dithering the row/column-driver clock signal in large-format LCD panels in televisions and PC monitors.
2007-02-28 Circuit protectors offer longer lifespan, lower EMI
Compared to bimetal breakers, Raychem's PolySwitch LVR circuit protectors offer greater flexibility, longer lifespan and lower EMI.
2003-02-04 Chomerics EMI gaskets improve shielding, stability
Chomerics' Soft-Shield 7000 EMI gaskets is claimed to feature the industry's only non-urethane soft foam core materials that provide high levels of shielding.
2007-03-20 Buck regulator cuts noise, EMI filter requirements
Intersil has launched a 2.5A, wide input voltage synchronous buck regulator that reduces noise and EMI filter requirements through programmable switching frequency and external synchronization.
2008-12-17 Buck controllers boast high voltage range, reduced EMI
National Semiconductor has released four new high-voltage, non-synchronous buck controllers that feature high input voltage range, high-performance PWM control and reduced EMI.
2011-01-13 Basic test strategies, guidelines for EMI-/EMC-ready SerDes
Learn about the basic concepts and guidelines on how to prepare your SerDes system for EMI/EMC testing.
2003-08-27 AVX filters aim for EMI suppression
Expanding circuit designers' options for EMI suppression, AVX Corp. has released a series of miniature ceramic chip components that combines capacitor and inductor elements in a single distributed constant circuit filter.
2008-07-04 Audio chip does EMI filtering, ESD protection
The EMIF06-AUD01F2 from STMicroelectronics implements the complete EMI filtering and ESD protection for stereo headset output and external and internal microphones within a flip-chip package measuring 2.42mm x 1.92mm.
2014-01-22 Assessing TLC2272 EMI immunity
This report provides the EMIRR IN+, which specifically describes the EMIRR performance when the RF signal is applied to the noninverting input pin of the op amp.
2005-06-08 App Note 3512: Spread-spectrum clock oscillators lower EMI
This app note discusses how spread-spectrum clocks can aid EMI reduction, as well as reduce BOM cost, by reducing the amount of filtering and shielding required
2005-06-20 Amplifier with on-chip EMI filtering
Analog Devices' latest sensor amplifier for automotive and industrial applications features internal EMI filtering, a very wide temperature range, low offset voltage and drift, and open and shorted wire protection
2004-05-05 Alliance Semi launches I?C EMI reduction IC
To address EMI reduction, Alliance Semiconductor has launched the AS80M25XX family of dual PLL clock chips.
2002-10-15 Alliance EMI ICs qualify for automotive use
Alliance Semiconductor Corp. has announced the qualification of its PulseCore product line of general purpose electromagnetic interference (EMI) reduction ICs for the automotive industry.
2013-05-30 Agilent enhances electromagnetic software for EMI compliance
EMPro 2013 introduces several enhancements that cover a broad range of applications and will
2003-12-15 Aerodev EMI filters suit navigation systems
Aerodev Electromagnetic Tech Inc. has announced the availability of its DNF11 series of feed-through EMI filters that are designed to suit communication, navigation and other electronic equipment and systems. Featuring high contact reliability, the product has a 75A to 100A current rating, rated voltage of 440V/50-60Hz or 600Vdc, and test voltage of 1,800Vdc, 5s (L-G).
2004-09-07 Aerodev EMI filters rated at 10A
The latest EMI filters from Aerodev Electromagnetic feature rated currents of 1-, 3-, 6- or 10A.
2004-11-24 Aerodev EMI filters rated at 100A
The new series of EMI filters from Aerodev Electromagnetic features a rated current of 75A to 100A.
2003-11-19 Aerodev EMI filters provide high attenuation
The DNF58-H EMI filter from Aerodev Electromagnetic Tech Inc. features a dual alpha section filter that provides high CM and DM attenuation.
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