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Cypress, Winbond team on VoIP headset demo kit

Posted: 16 Nov 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Cypress? Winbond? VoIP? CY4638? WirelessUSB?

Cypress Semiconductor Corp. has introduced the CY4638, a demonstration kit for a VoIP headset. The solution pairs the interference immunity of the company's low-power WirelessUSB LP (CYRF6936) 2.4GHz radio SoC with the clean signal delivery of Winbond Electronics Corp.'s W681360 codec to provide an easily replicated, fast time-to-market design. The device enables fewer interruptions than headsets using competing wireless technologies, and offers a range more than 20m.

The WirelessUSB LP headset board includes a Cypress Wireless enCoRe II flash MCU, a low-power Winbond codec and a rechargeable battery with the radio module. Winbond's W681360 single-channel voice codec is a 13bit linear ADC and DAC. The W681360 offers high performance voice quality at the lowest power consumption in the industry, the company said, directly impacting talk-time and battery life.

"A primary concern of VoIP headset manufacturers is dropping packets due to interference, making the extremely robust WirelessUSB LP solution a natural fit to deliver an uninterrupted flow of data," said Matt Branda, senior strategic marketing manager for Wireless Products at Cypress. "Not only does the interference immunity of our WirelessUSB protocol outperform other 2.4GHz solutions, its robust operation outdoes more expensive Bluetooth and DECT solutions as well. When you add in the signal quality of the Winbond Codec, the CY4638 VoIP demonstration kit provides the groundwork for a winning VoIP headset."

Cypress's WirelessUSB LP offers an unparalleled feature set to enable superior interference immunity, low BOM costs, higher data rate applications and faster time-to-market for keyboards, mice, gaming devices, presenter tools and remotes, as well as other simple, multi-point-to-point wireless applications.

Featuring a highly integrated radio transceiver plus digital baseband on a single chip, it operates between 1.8V and 3.6V, using advanced power-saving techniques to extend battery life in devices such as wireless mice. WirelessUSB LP uses Cypress's patented frequency agile direct sequence spread spectrum (DSSS) technology to offer high interference immunity for a 2.4GHz radio system. This combination of low power consumption, interference immunity and low cost make it suitable for wireless HID applications.

The WirelessUSB LP VoIP demonstration board is currently available for $249.

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