(June 17, 2016) Effective June 17, 2016, all RF LED lighting devices, including those that have been considered to operate on frequencies below 1.705 MHz, are now required to have Radiated Emissions measurements performed at a minimum from 30 MHz to 1000 MHz. Radio frequency (RF) light-emitting diode (LED) lighting products are subject to FCC rules to ensure that devices do … [Read more...]
ETSI Releases Draft Standard for Low Power Medical Implants
(July 1, 2016) The present document together with ETSI EN 301 489-1 [1] covers the assessment of all radio transceivers associated with inductive Ultra Low Power Active Medical Implant (ULP-AMI) transmitters and receivers operating in the range from 9 kHz to 315 kHz and any associated external radio apparatus (ULP-AMI-Ps) transmitting in the frequency range of 9 kHz to 315 kHz … [Read more...]
Britain After Brexit, with the Accent on EMC
(June 24, 2016) Written by Kenneth Wyatt - Britain has voted to leave the European Union, a monumental decision that’s triggering some serious alarm bells throughout the country. As it stands, many UK laws and regulations are determined by EU legislation and it’s not immediately clear what the EMC standards ramifications in Britain will be during the two year transition and in … [Read more...]
Low Profile Common Mode Chokes Released
Coilcraft has announced a line of low profile (0805) common mode chokes, useful for EMI suppression in high speed signal lines, USB 3.x, HDMI 2.0, DisplayPort, DVI, etc., as well as in high speed differential signal lines, such as USB 2.0, IEEE 1394, LVDS, etc. They are also suitable for USB-type C specification 1.0 ports. They are designed to work as high as 6.5 GHz data … [Read more...]
FCC Respond to Increased Noise Floor Concerns
(June 30, 2016) The Society of Broadcast Engineers (SBE) has had concerns about increases in ambient noise, especially in the AM broadcast band, and have received a response from the FCC. As reported earlier, on June 15, 2016, the Commission issued public notice DA 16-676 announcing that its Technological Advisory Council (TAC), an FCC advisory group, will investigate … [Read more...]
TWT Amplifiers to be Announced at EMC 2016
TMD Technologies Limited (TMD) will announce its new PTCM-Series intelligent, modular, travelling wave tube (TWT) RF instrumentation amplifiers. Operating over the range DC-40 GHz with powers up to 50 kW, these new compact rack-mounted amplifiers deliver high field strengths and meet many worldwide test standards.Offering remote user interface and maintainability, the … [Read more...]
FCC Wants Your Help Understanding Spectral Noise Floor
(June 15, 2016) The US Federal Communications Commission is trying to figure out exactly how much trouble is being caused by product emissions that effectively raise the overall noise floor over the frequency spectrum. Among the amateur radio and shortwave listener communities, the noise floor in the radio spectrum has obviously been rising as the number of devices in use that … [Read more...]
List of Common EMC Standards
You shouldn’t be surprised that Wikipedia has a comprehensive list of EMC standards. The list includes CISPR, IEC, ISO, European EN, FCC, and MIL-STD. There is also a link to the GR-1089-CORE EMC and product safety standards for network telecommunications equipment. A good link to bookmark. Click here. … [Read more...]
Power Sensors That Require No “Zero” or Calibration
Ladybug Technologies has manufactured a broad line of NIST traceable USB power sensors. The sensors are compatible with Windows XP, Win 7, Win 8; in 32 and 64 bit systems. LINUX-compatible sensors along with the only SPI & I2C sensor are also available. With their patented NoZero NoCal feature, it is not necessary to zero or calibrate before making measurements, even for … [Read more...]
Modular Spectrum Analyzer Announced at IMS
Berkeley Nucleonics recently announced and demonstrated their new Model RTSA7500 at IMS. According to the company, it includes all the standard features of a spectrum analyzer such as frequency controls, marker functions and multi-trace functionality. It also includes a real-time trigger mode for measuring complex data signals such as Wi-Fi and LTE along with markers for … [Read more...]
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