ON Semiconductor is extending its silicon-based crystal
oscillator (XO) clock module range. The six new additions to the NBX
series provide a cost-effective, high accuracy reference clock solution
with dual voltage capabilities and class-leading total frequency
stability as low as ±20 parts per million (ppm).
The new devices meet clock generation requirements in the latest 2.5 V /
3.3 V low-voltage positive emitter coupled logic (LVPECL) designs for
applications in routers, switches, servers, and basestations.
The new devices support frequencies for applications such as SONET,
Gigabit Ethernet, and LAN/WLAN. The NBX series offers equivalent or
better performance compared to quartz-based third overtone XOs or
surface acoustic wave (SAW) products. This is underlined by ultra-low
phase noise of -160 decibels relative to the carrier per hertz (dBc/Hz),
typical RMS phase jitter of 0.5 ps, and a low bit error rate.
New frequencies supported are 622.08 MHz for the NBXMBB024 and
NBXSBB024; 156.25 MHz for the NBXHGA017; 125.00 MHz for the NBXHGA019;
161.1328 MHz for the NBXSGA008; and 50.00 MHz for the NBXHGA053.
Availability and Pricing
The NBX devices are packaged in Pb-free, RoHS compliant, hermetically
sealed 5.0 mm x 7.0 mm x 1.9 mm ceramic CLCC-6 SMD packages. Budgetary
pricing for these products is $3.00-$5.50 per unit for quantities of
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