Military Oscillator Withstands 100,000 g Shock

IQD’s HGXO series of surface-mount oscillators can survive shock levels of up to 100,000 g and vibration levels of 20 g at 10- to 2000-Hz swept sine in accordance with MIL-STD-202G. The oscillators are designed around a hermetically sealed, high-shock crystal and a CMOS-compatible integrated circuit, which targets them primarily for military applications. They also will find homes in demanding industrial applications. The oscillators come in a standard 7- by 5-mm, four-pad ceramic package with metal lid. Five supply-voltage versions include 5.0, 3.3, 3.0, 2.5 and 1.8 V. Output frequencies can be specified between 460 kHz and 50 MHz, with a 15-pF HCMOS drive capability. Frequency tolerance is available down to ±10 ppm, while frequency stability can be specified at ±40 ppm over the full military temperature range of -55° to 125°C, or down to ±10 ppm over commercial temperature ranges. RoHS-compliant or tin/lead terminations are available.

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