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SaRonix clock oscillator is set for 350MHz run

Posted: 09 Apr 2002 ?? ?Print Version ?Bookmark and Share

Keywords:sds3811? lvds clock oscillator? network clock oscillator? gigabit ethernet clock oscillator? infiniband clock oscillator?

To meet the demand for a cost-effective reference clock for Infiniband at 10Gigabit Ethernet, SaRonix has launched its SDS3811 HF LVDS clock oscillator. Next-generation networking can benefit from the lower power and higher frequencies available from LVDS with the SDS3811, according to the company.

Using AT-cut bulk acoustic-wave instead of surface-acoustic-wave technology, the oscillator provides a fivefold improvement in frequency stability. This results in a stable oscillator at high frequencies, with overall stabilities of 20ppm over 0C to 70C and 32ppm over -40C to 85C.

Using LVDS instead of LVPECL technology yields a typical power reduction of 75 percent, consuming 18mA with a 3.3V supply. Rise/fall times are <1ns and rms jitter is <8ps. The frequency extends from 104MHz to 350MHz, covering 250MHz Infiniband applications as well as 156.25MHz and 312.5 MHz for 10Gb Ethernet.

This oscillator is contained in a surface-mount 5-by-7-by-1.8mm seam-sealed miniature ceramic package with six gold-plated contact pads. Pricing starts at close to $12 in large volumes.

EE Times





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