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9920 & 9940

Hybrid Space Qualified Crystal Oscillators

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Symmetricom’s thirty-five years of legacy of high reliability and performance quartz oscillators are now available in hybrid construction for applications that require minimal size, weight and power. The model 9920 and 9940 are crystal oscillators( XO) and voltage controlled crystal oscillators( VCXO) based on hybrid manufacturing technology.

The 9920 and 9940 series of oscillators utilize 3rd or 5th overtone AT cut crystals in a Colpitts configuration with optional multiplication circuitry and output amplifier or driver stages. The precision crystals are contained within hermetic or vacuum sealed packages housed within the hybrid circuit package resulting in the lowest end of life frequency drift possible.

Output type and package are available in industry standard configurations to meet standard and custom applications.

These hybrid oscillators are based on heritage designs and manufacturing techniques proven for reliability in numerous space applications. The hybrids are manufactured in a mil-prf-38534 class K facility in a class 100,000 clean room that provides for the maximum reliability.

The 9920 and 9940 have demonstrated excellent performance after exposure to high levels of shock, vibration and radiation consistent with the rigorous requirements of space applications.

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