Euroquartz has introduced a new range of surface mount clock oscillators claiming tolerance and stability parameters close to that of temperature-compensated oscillators (TCXOs) but at clock oscillator prices.
Offering a frequency range from 20,0 to 60,0 MHz, the new XOE oscillators feature tolerance of ±1ppm at 25°C and maximum of ±5ppm frequency stability over the industrial -40°C to +85°C temperature range. At 25,0 MHz, the XOE range has SSB phase noise of -154 dBc/Hz at 100 kHz offset and femtosecond phase jitter (300 fs typical, 12 kHz to 20 MHz).
Available in three standard SMD packages – 7 x 5 mm, 5 x 3,2 mm and 3,2 x 2,5 mm – the new oscillators operate from 1,8 V, 2,5 V or 3,3 V supply voltage and offer designers an economic solution for tight-tolerance and high-stability clocks.
Specifications include LVCMOS output logic; output load of 15 pF, rise/fall time of 6 ns maximum, startup time of 0,6 ms typical (1 ms maximum), output symmetry of 50% ±5%, tristate function implemented as standard and ageing of ±2 ppm/year maximum for the first year.
Ideal for use in high-precision clock applications, the new XOE oscillators are available on tape-and-reel and feature a maximum process temperature of 260°C for 10 seconds.
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