EM Research – 100MHz phase-locked crystal oscillator with reference-detect switch (PLXO-100)

Oct 14 2011 - Subs & Systems [More Subs & Systems Articles]

The PLXO-100, from EM Research, is a phase-locked crystal oscillator operating at 100MHz in a miniature connectorized package (1.5 x 1.5 x 0.6 inch). Locked to an external 10MHz frequency reference, the device exhibits exceptionally-low phase noise (-130dBc/Hz at 1KHz offset), low spurs (-70dBc), +0dBm output power on a supply voltage of +12VDC. The addition of an internal reference-detect switch enables the user to employ the external frequency reference that, if disabled, will automatically switch to an internal 10MHz reference, thereby providing uninterrupted use of the PLXO-100.

EM Research offers the PLXO Series in a surface-mount (0.9 x 0.9 x 0.15 inch) or connectorized package at custom fixed-frequencies from 5 to 500MHz. The PLXO Series features low jitter (<0.05pSec. RMS at 100 MHz, typical), optional internal references and select supply voltages (+3.3, +5, +8, +12 or +15VDC). PLXO devices are ideal for use with A-D / D-A converters, carrier recovery loops, system clocks, or as reference sources for Ku and K-Band frequency converters, says the company.

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