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. |
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| 2012-02-10 | Optical connectors geared for medical systems The MediSpec hybrid circular MT cable and receptacle system comes in a lightweight metal housing and offers EMI shielding. |
| 2012-02-03 | RSE measurement sol'n touts 80dB dynamic range The R&S OSP-B155 plug-in module with 155dBm/Hz sensitivity claims to simplify measurement of radiated spurious emissions on LTE devices. |
| 2012-02-03 | Inductors offer 1.7-20A current rating The CMT-8100 series common mode inductors have DCR range from 0.006-0.45Ω and claim to deliver superior EMI suppression. |
| 2011-11-09 | Accelerate time-to-market using benchtop EMI scans Accelerate time-to-market using benchtop EMI scans |
| 2011-10-27 | Power tip: Role of common-mode currents in non-isolated power supplies Read about the role of this "type" of current flow as an EMI source. |
| 2011-10-05 | LED driver runs from 6-30V Diodes' LED driver features switching frequency up to 1MHz and claims to decrease EMI in low-cost lamps. |
| 2011-09-05 | Use spread spectrum clock generators for EMI reduction in digital systems (Part 2 Use spread spectrum clock generators for EMI reduction in digital systems (Part 2 |
| 2011-09-01 | Use spread spectrum clock generators for EMI reduction in digital systems (Part 1 Use spread spectrum clock generators for EMI reduction in digital systems (Part 1 |
| 2011-08-15 | EMC Basics #9: Solving RFI EMC problems Learn how to address the increasingly common RF-based causes of EMC. |
| 2011-07-18 | EMC Basics #8: A primer on troubleshooting EMI problems EMC Basics #8: A primer on troubleshooting EMI problems |
| 2011-07-11 | EMC Basics #7: A primer on troubleshooting EMI problems EMC Basics #7: A primer on troubleshooting EMI problems |
| 2011-07-04 | Clock generators boast widest frequency range IDT's family of low-power spread spectrum clock generators boasts of supporting the industry's widest frequency range in just a small 2 x 2mm package. |
| 2011-07-04 | DPMU offers real-time power management The Energy$ense family of multioutput, digital DC/DC power management unit (DPMU) ICs offer high efficiency real-time power sensing and control. |
| 2011-06-06 | EMC Basics #5: I/O as crucial circuits Here's a discussion on input/output circuits during EMI circuit board reviews. |
| 2011-05-13 | Spectrum analyzer offers EMC diagnostic option Rohde & Schwarz adds an EMI measurement application option for the R&S FSVR real-time spectrum analyzer and the R&S FSV signal and spectrum analyzer. |
| 2011-04-15 | 10A switchers offer low EMI 10A switchers offer low EMI |
| 2011-02-10 | Mandate seeks to address electric vehicle charging issues Electric vehicle charging issues include, among others, defining and enforcing use of a common charging connector, and ensuring that the equipment causes no EMI or disturbance to the electricity supply grid. |
| 2011-01-13 | Basic test strategies, guidelines for EMI-/EMC-ready SerDes Basic test strategies, guidelines for EMI-/EMC-ready SerDes |
| 2010-11-26 | Protect SIM cards from EMI, ESD Protect SIM cards from EMI, ESD |
| 2010-10-29 | EMI filters for 1-phase systems debut EMI filters for 1-phase systems debut |
| 2010-10-11 | LCD EMI filters dubbed industry's thinnest LCD EMI filters dubbed industry's thinnest |
| 2010-10-01 | EMI-shielding Class D amplifier targets portable audio systems EMI-shielding Class D amplifier targets portable audio systems |
| 2010-08-24 | Power MOSFETS suit car audio systems The three DirectFET2 devices are optimized with low gate charge to improve total harmonic distortion and efficiency while low diode reverse recovery charge further improves THD and lowers EMI. |
| 2010-08-02 | Compact AC power entry module integrates EMI filter Compact AC power entry module integrates EMI filter |
| 2010-07-16 | PHY immunizes datacenters from EMI PHY immunizes datacenters from EMI |
| 2010-06-11 | Audio ICs simplify signal management in mobile apps Cirrus Logic Inc. is rolling out a pair of audio ICs that improve audio quality, simplify signal management and reduce EMI in mobile consumer electronics applications. |
| 2010-05-17 | HBLED driver integrates PWM dithering Micrel Inc. is rolling out the MIC3203 step-down high-brightness LED (HBLED) driver controller IC with high-side current sense and PWM dithering feature for EMI control. |
| 2010-01-18 | Connector guarantees over 5,000 mating cycles The 19-way connector features Pogo pin technology, which achieves low contact resistance under 10mA and guarantees a lifespan of more than 5,000 mating cycles. |
| 2010-01-15 | Benefits and challenges of high-frequency regulators There are a few considerations to keep in mind when using a high switching frequency regulator in a design. Careful layout must be considered to reduce EMI and improve the performance of the device. |
| 2009-12-08 | PWM controllers up efficiency at light load Fairchild's PWM controllers include frequency hopping, which reduces EMI emissions, and internal soft start to lessen voltage stress on the MOSFET at start up. |
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