Euroquartz has launched a new low-profile, differential output crystal oscillator (DFXO) from Statek, designed for use in applications requiring low jitter and ultra-high frequency differential outputs in a small footprint, such as military and aerospace avionics, communications and networking.
Available in frequencies from 20 to 300 MHz (fundamental mode), the device is available in standard 6-pad, 5 x 7 mm surface mount packages measuring just 1,75 or 1,85 mm high depending on terminations. Designed for operation over the temperature range -40°C to +105°C, the DFXO offers LVDS, LVPECL or CMOS outputs with low phase noise (-148 dBc/Hz at 100 kHz) and typical integrated timing jitter of 0,3 ps (both for LVDS output).
Frequency stability is ±100 ppm over the full temperature range (±50 ppm over -40°C to +85°C) as standard with tighter tolerances (±25 ppm) available to order. A tri-state enable/disable option is also available. Standard supply voltage is 3,3 V ±10% with 2,5 V ±10% available and no external decoupling capacitor is required with optional internal capacitor of 0,01 μF.
Additional specifications include shock survival of 5000 G (0,3 ms, ½ sine) and vibration survival of 20 G (10 to 2000 Hz swept sine). Ageing is
±5 ppm for the first year depending on frequency. The device is supplied in tray packs or tape and reel for surface mount applications with maximum process temperature of 260°C for 10 seconds.
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