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Interference Technology

For EMI / EMC Engineers

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Antennas

RSA7100A Real-Time Spectrum Analyzer

 

The RSA7100A wideband signal analyzer offers real-time spectrum analysis up to 800 MHz bandwidth and streaming storage of up to 2 hours of seamless data at full bandwidth in one solution. This range covers the most commonly used communications and radar bands. The wide real time bandwidth enables analysis of wideband designs and monitoring of wideband/digital signals. The fast … [Read more...]

New Chamber Design with 300 GHz Compact Range Released

 

ART-Fi's first foray into chamber design yields a compact range that features the latest in precision reflectors, developed by WavePro. Richard Liu, Managing Director of WavePro, said, " The rolled-edge reflector reduces edge diffraction and notably improves quiet-zone ripple, resulting in large quiet zones at low frequencies. The surface is the latest in precision, with … [Read more...]

New Antenna Introduced for Automotive Testing of Immunity Against Radar Pulses in Bands

 

Schwarzbeck introduces a new antenna to complement their solution for Toyota, General Motors and Ford radar testing, DC magnetic field bands 1.2-1.4 GHz (lower band) and 2.7-3.1 GHz (upper band), check out their website, here. With the introduction of the BBHA 9120 K High Gain Horn Antenna, Schwarzbeck Mess-Elektronik now has a complete solution for  automotive testing of … [Read more...]

Measuring Cable Resonances With A Comb Generator

 

(October 28, 2016) Cables are one of the key metallic structures on a product that can act as an antenna and couple energy, causing radiated emissions and possible compliance test failures. This has been discussed extensively in the literature on product design for EMI compliance. In many cases, they can resonate at their half-wave frequency and actually amplify any harmonic … [Read more...]

EMI is Major Issue at IEEE Broadcast Symposium

 

(October, 12, 2016) An increase in the overall RF noise pollution throughout the electromagnetic spectrum, at least through 1 GHz, was one of the main topics of discussion at the recent 2016 IEEE Broadcast Symposium held in Hartford, CT, this past October, as reported by Radio World. Increasing RF noise pollution is a concern to almost everyone now, stated Steve Johnston, … [Read more...]

List of Updated IEC EMC Standards

 

Recent updates to IEC EMC standards published by the IEC:   IEC 62040-2:2016 PRV, Ed. 3.0 - (9/2/16) - Uninterruptible power systems (UPS) - Part 2: Electromagnetic compatibility (EMC) requirements CISPR 25:2016 PRV, Ed. 4.0 - (9/2/16) - Vehicles, boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for … [Read more...]

New Low-Cost Near Field Probe Announced

 

RF Explorer has recently announced a new addition to their accessories for the RF Explorer spectrum analyzer. The new model, RFEAN25, is a very sensitive H-loop near field antenna. Lab testing shows the RFEAN25 is at least 10dB more sensitive in the range 20-6000MHz than other H-loop options in the market, at a much lower cost. A high quality semi-flexible RF cable is … [Read more...]

New Electric Field Probe Announced

 

MPB Electronics has announced their new isotropic electric field probe with a frequency range of 10 MHz to 3 GHz. The fiberoptically-coupled probe can measure peak, average, RMS, and channel power with a dynamic range of 85 dB (typical) at 500 MHz. Linearity is less than 0.5 dB at 500 MHz from 0.1 to 100 V/m. Correction factors are stored in an internal EEPROM. The long-life … [Read more...]

World’s Largest Radio Telescope in Service

 

(September 25, 2016) Five-hundred-meter Aperture Spherical Telescope (FAST) is the most advanced radio telescope ever built by humans with a dish of 500 m across, and is now the largest filled-in, single-dish radio telescope in the world. Located in remote mountainous region in southwestern China to ensure the area would be free from radio interference, the radio telescope … [Read more...]

Mystery Signal Disrupts Singapore Train

 

Singapore’s Today Online reported that the "Land Transport Authority (LTA) and SMRT have not been able to determine the source that caused the “intermittent loss of signalling communications” on the Circle Line (CCL) late last month". This has led to several days of train service delays, and continues two weeks after the LTA began investigations. "On Aug 29, persistent … [Read more...]

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