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VCXOs beat price, performance of SAW, quartz VCOs

Posted: 16 Jul 2010 ?? ?Print Version ?Bookmark and Share

Keywords:silicon? crystal oscillator? clock?

 NBVSBAxxx series

ON Semiconductor announced the arrival of a new PureEdge family of silicon-based voltage controlled crystal oscillators (VCXOs).

Offering ultralow jitter and phase noise versus alternative solutions available on the market, the new NBVSBAxxx series is suitable for reference clock designs in networking, SONET, 10GbE, base stations and broadcasting equipment.

The devices are designed to meet the requirements of 2.5V and 3.3V LVPECL clock generation applications offering a low jitter (0.5ps) reference clock. The ability to power the devices with either a 2.5V or 3.3V supply enables design flexibility and simplifies product BOM driving further system cost reduction. A High Q fundamental mode pullable crystal and PLL multiplier is used to provide industry standard frequencies across a wide range of 60MHz to 700MHz with a guaranteed pullable range of 100ppm and frequency stability of 50ppm.

The oscillators offer a tri-state enable/disable feature, allowing the user to turn the output on and off across the entire industrial temperature range of -40C to 85C.

"Long established SAW- or quartz-based voltage controlled clock oscillator technology has reached its performance and cost limits," said Prescott Sakai, director of clock and data products at ON Semiconductor. "ON Semiconductor's silicon-based PureEdge devices have emerged as a logical and superior choice for current and future designs. The new family of devices offer equal or better overall performance and improve design flexibility compared to existing solutions, combined with lower cost and reduced lead times."

The NBVSBAxxx devices are packaged in a hermetically sealed 5mm x 7mm x 1.9mm ceramic CLCC-6 SMD package. Budgetary pricing for these products is $6.50 per unit for quantities of 1,000 units.

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