Precision Devices has released an ultra stable temperature compensated crystal oscillator (TCXO) in a 5 by 3,2 by 1,5 mm package.
The TS05 provides stability of ±0,2ppm over an operating temperature range of -40°C to +85°C. When operating over a restricted temperature range of -10°C to 70°C, stability is even tighter at ±0,1 ppm. Stability is ±0,05 ppm for supply voltage variations up to 5%, and for load variations up to 10%. With ageing, the maximum change is only ±0,5 ppm per year, to ensure reliable long-term performance.
At a frequency of 26 MHz, typical phase noise figures are -117 dBc/Hz at an offset of 100 Hz, -138 dBc/Hz at an offset of 1 kHz and -152 dBc/Hz at an offset of 10 kHz. Aimed at femtocell and base station applications, the TS05 covers the frequency range from 10 MHz to 52 MHz.
The oscillator operates from a 3 V supply voltage, and draws 2 mA current when generating a clipped sine wave output, and 4 mA when generating a CMOS square wave output.
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