Frequency control specialist, Euroquartz, has introduced Statek’s latest crystal oscillator that is designed for high-temperature, high-shock applications.
Offering frequency output from 460 kHz to 50 MHz, the HGXOHT is capable of operation up to 225°C and can survive shocks up to 100 000 G. Suitable applications include down-hole instrumentation, rotary shaft sensors, underground boring tools and avionics.
The design comprises a hermetically-sealed, high-shock crystal and a CMOS-compatible IC housed in a 5 x 7,5 mm surface-mount ceramic package. Additional features include excellent stability over temperature, fast startup, CMOS and TTL compatibility, optional enable/disable and low EMI emission.
Specifications include 3,3 or 5,0 V supply voltage, standard calibration tolerance of ±50 ppm (or tighter if required), output load (CMOS) of 15 pF, startup time of 5 ms maximum, rise/fall time of 10 ns maximum, duty cycle of 40% minimum/60% maximum, vibration survival of 20 G (10 to 2000 Hz swept sine) and operating temperature range from -55°C to +225°C.
Available in tray pack or on tape and reel, the parts feature maximum process temperature of 260°C for 20 seconds.
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