Single and dual frequency crystal oscillator modules

20 August 2008 Electronics Technology

ON Semiconductor has expanded its high performance clock and data management portfolio with the introduction of nine new PureEdge PLL-based clock modules for crystal oscillator (XO) replacement. The NBXxxxx series is suitable for high-speed networking, telecom, and high end computing applications.

The modules use a high-Q fundamental mode crystal and analog phase lock loop (PLL) multiplier to provide single or dual frequency, ultra low jitter and phase noise LVPECL/CML differential output. The NBXSxxx (single frequency) and NBXDxxx (dual frequency) oscillators boast long-term time domain jitter performance and noise floor of -163 dBc/Hz at 10 MHz offset with phase RMS jitter of 0,4 ps.

The devices create sub-picosecond jitter quality clocks delivering single and/or dual frequency of 100, 106,25, 125, 155,52, 156,25, 200,00, 212,5, 250, 311,04 and 312,5 MHz that are ideal for 1x/2x fibre channel, SATA, iSCSI, PCIe, SONET / SDH, Ethernet and clock margining applications.

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