Euroquartz has launched a new series of military specification clock oscillators for use in aerospace, defence and similar hostile environment applications. The new EQXO-2000 BM series oscillators are housed in the popular 8 pin dual-in-line (DIL) package and offer frequencies from 30 kHz to 70 MHz with frequency stability of either ±100 ppm (2100BM types) or ±50 ppm (2050BM models) over the full military temperature range from -55 to 125°C.
EQXO-2000BM devices feature a custom-designed, all-ceramic oscillator substrate and ruggedised three-point crystal mounting system within an hermetically sealed metal package. The design specification ensures that these oscillators provide an accurate and reliable source of clock signals regardless of the severity of the environment in which they operate.
For equipment used in space or the upper atmosphere, the series can be produced in radiation tolerant versions. These parts are designed to withstand ionising radiation enabling the oscillators to resist electrical failures for a total radiation dose of 40 krad(SI).
Specifications include calibration tolerance of ±10 to ±25 ppm at 25°C, 5,0 V d.c. ±10% supply voltage, CMOS output, 50 pF/10 TTL loads, ageing of ±3 ppm maximum in first year and output wave symmetry of 45/55%.
Full screening of components in accordance with MIL-O-55310C.
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