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Interference Technology

For EMI / EMC Engineers

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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...]

Meter Measures ESD on Conductive, Dissipative, or Insulative Objects

 

The Model 284 NanoCoulomb Meter from Monroe Electronics directly measures electrostatic discharge on conductive, dissipative, or insulative objects. Model 284 is well suited to standards testing ESD packaging, populated PC boards, disk drive components, and other electronic devices. This is especially true for test methods that require charge measurements such as ANSI/ESD S541 … [Read more...]

Meter Allows Direct Measurement of Electrostatic Charge on Objects

 

The Model 284 NanoCoulomb Meter from Monroe Electronics directly measures electrostatic discharge on conductive, dissipative, or insulative objects. Model 284 is well suited to standards testing ESD packaging, populated PC boards, disk drive components, and other electronic devices. This is especially true for test methods that require charge measurements such as ANSI/ESD S541 … [Read more...]

MRI Shielding and Anechoic Chamber Firms Forge Trans-Atlantic Joint Venture Agreement

 

Braden Shielding Systems USA and Rainford EMC Systems UK have entered into a joint venture relationship that includes technology transfer, cooperative sales, and marketing strategies for their respective medical MRI and EMC anechoic chamber technologies. Rainford with its existing shielding capabilities and support structure throughout Europe and Asia will be the exclusive … [Read more...]

CISPR Issues Technical Report on EM Disturbance Measurements from Large Equipment

 

CISPR 16-2-5:2008(E) deals with in situ electromagnetic disturbance measurements in any environment from physically large equipment and systems excluding networks. It covers both radiated and conducted emission phenomena and does not deal with immunity tests. This technical report is intended to be applied primarily to such physically large equipment that are not under the … [Read more...]

Next Round in White Space Interference Controversy: FCC Testing

 

The Federal Communications Commission’s Office of Engineering and Technology (OET) has announced that as of July 14, 2008,it will begin field testing the performance of prototype White Space devices designed to operate in vacant spectrum between those bands used by digital television broadcasters. These tests are part of the FCC process of rulemaking and will help determine … [Read more...]

Impinj Acquires Intel’s UHF RFID Reader Chip Operation

 

RFID Solutions Provider Impinj has acquired the UHF RFID chip operation of Intel Corporation. Chip maker Intel had developed the awarding-winning R1000 RFID reader chip. The acquisition of Intel’s RFID unit enhances the range of Impinj’s RFID offerings. It is especially noteworthy that the single R1000 chip enables 90 percent of the components required all reader form … [Read more...]

FCC to begin Field Testing TV White Space Devices

 

The Federal Communication Commission’s Office of Engineering and Technology (OET) announced that it will begin field testing the performance of prototype television white space devices (WSDs), commencing the week of July 14, 2008.The commission is conducting tests of prototype white spaces devices as part of its rule making to consider authorizing the operation of new low power … [Read more...]

Two CISPR EMC Drafts Issued

 

CISPR 15 Amd. 2 Ed. 7.0 (2008-06) and CISPR16-2-1 Ed. 2.0 (2008-06) are now available.  Amendment 2 of CISPR 15 involves the “introduction of measurement instrumentation uncertainty and deletion of banning of sales.” Edition 2 of CISPR 16-2-1 involves the “specification for radio disturbance and immunity measuring apparatus and methods – Part 2-1: Methods of measurement of … [Read more...]

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