The new NSF 437 30-kV ESD simulator from Teseq boasts a reduced feature set and economical pricing while maintaining full compliance performance to meet major global standards. The new simulator guarantees optimized reproducibility of a test by meeting the holding time of at least five seconds as required by global ESD standards. Accuracy of the simulators voltage tip is … [Read more...]
Google Co-Founder Larry Paige Returns to Washington to Lobby Anew for White Space Devices
As he did earlier this year. Google co-founder Larry Paige visited Washington, DC to lobby for the cause of freeing up the so-called White Spaces that separate the signals of television broadcasters, who have vigorously opposed the introduction of new wireless devices into those portions of the spectrum on the grounds that signals will inevitably interfere with television … [Read more...]
Industry Analysts Foresee Market Shakeup as Bidding for Canada’s Spectrum Slows
Industry Analysts Foresee Market Shakeup as Bidding for Canada’s Spectrum Slows After six weeks of aggressive bidding that will bring over C$4.2 billion to Ottawa’s coffers, Industry Canada’s auction is on the verge of drawing to a close with only a handful of licenses in the far north still in contention. (As we prepared the eNews, round 221 of bidding was underway.) Telecom … [Read more...]
Spread-Spectrum Oscillator Limits EMI
The VSS4 spread-spectrum oscillator from Vectron International meets FCC restrictions on permissible levels of EMI for a range of communications systems and consumer electronics applications. The VSS4 offers a frequency range of 12 MHz to 168 MHz and operates in the 140- to 85-degree C temperature range. The oscillator operates off 3.3 volts and comes with an enable/disable … [Read more...]
FCC Gets Complaint about Wireless Microphones
The Associated Press reports that consumer groups are accusing Broadway actors, mega-church pastors, karaoke DJs and others who use popular wireless microphones of unwittingly violating Federal Communications Commission rules that require government licenses for such devices. In a complaint filed Wednesday, the groups accused manufacturers of deceptive advertising in the way … [Read more...]
Reminder: Hearing Aid Compatibility Agents Must Be in Place
The Consumer and Government Affairs Bureau of the Federal Communications Commission released the 2008 Hearing Aid Compatibility Report and Order on February 28, 2008. The obligations placed on wireless handset manufacturers and public mobile service providers became effective on June 6, 2008. Specifically, the Commission amended section 68.418 of the hearing aid compatibility … [Read more...]
A Discussion on the FCC SAR Test Guidance Documents for Laptops and Handsets with Multiple Transmitters
The FCC will address exactly what TCBs can review for SAR and simultaneous transmitters in future updates to the TCB exclusion list. David A. Case, Cisco Richfield, Ohio, USA For those involved with product approval for Federal Communications Commission (FCC) certification, the use of the Telecommunication Certified Body (TCB) for approval helps speed the process for product … [Read more...]
Reminder: Hearing Aid Compatibility Agents Must Be in Place
The Consumer and Government Affairs Bureau of the Federal Communications Commission released the 2008 Hearing Aid Compatibility Report and Order on February 28, 2008. The obligations placed on wireless handset manufacturers and public mobile service providers became effective on June 6, 2008. Specifically, the Commission amended section 68.418 of the hearing aid compatibility … [Read more...]
Lotions and Potions vs. EMFs: the Controversy Continues
The French cosmetics firm Clarins has incurred the wrath of yet another consumer group. According to the Nevada based National Toxic Encephalopathy Foundation (NTEF), Expertise 3P Poly Pollution Protection (3P) products are touted as "the most advanced protection against every type of pollution known today...for the first time in cosmetology, it also protects against the … [Read more...]
Triple-Output Stepdown Switching Regulator IC Uses Multiphase Switching to Reduce EMI
A new triple-output stepdown switching regulator IC, featuring three high-current outputs that are adjustable from 0.8 V to 5 V with a maximum current of 2 amps, has been introduced by Allegro Microsystems. Operating from an input voltage of 4.5 V to 34 V, the A4490 uses multiphase switching to reduce EMI and to minimize stress on the input capacitors by interleaving the … [Read more...]
