Tokyo, Japan—Quellan Inc. announced the QNx220, an RF noise canceller for advanced mobile communications products. Based on Quellen's patented CSP noise canceling technology, the ultra small CMOS IC ...

Whether testing RF analog or digital modulation or high-speed serial signals, you often need to add a known quantity of noise, especially for receiver testing. The FMNG1xxx series of calibrated noise ...

RF-to-baseband front ends consisting of a low-noise amplifier (LNA) cascaded with a mixer downconverting RF signals to baseband have become the epitome of RF devices tested in high-volume ...

Sometimes the old tricks are the best. [Kevin] learned an old trick about using a ‘scope to sniff RF noise and pays it forward by sharing it in a recent video. He uses an oscilloscope. But does he ...

New studies by a noted wireless industry analyst have brought to light the significant impact of non-Wi-Fi devices on both the performance and security of Wi-Fi networks. Wi-Fi and non-Wi-Fi devices ...

Using EMI filters to counter strong electromagnetic waves and unwanted electric currents induced in a circuit.

December 8. 2006 Quellan today announced the extension of its innovative Wideband noise cancellation technology to mobile handsets and consumer devices. Successfully used in data center applications ...

Marguerite Reardon started as a CNET News reporter in 2004, covering cellphone services, broadband, citywide Wi-Fi, the Net neutrality debate and the consolidation of the phone companies. Your brand ...

If you stand outside on a clear night, can you see the Milky Way? If you live too close to a conurbation the chances are all you’ll see are a few of the brighter stars, the full picture is only seen ...

New contract by U.S. Strategic Command’s space organization shows the U.S. military’s attention to a growing problem for government and commercial satellite operators: radio-frequency interference. On ...

This letter to the editor is in response to the recently-published commentary “AM Ain’t Done Yet.” Comment on this or any article. Email [email protected]. I love reading the articles regarding AM ...