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TCXO targets femtocells, base stations

Posted: 02 Feb 2011 ?? ?Print Version ?Bookmark and Share

Keywords:crystal oscillator? TCXO? femtocell? base station?

Precision Devices rolls the TS05 temperature compensated crystal oscillator (TCXO). Measuring 5mm by 3.2mm by 1.5mm, the device covers the frequency range from 10MHz to 52MHz to target femtocell and base station applications.

The key features of the oscillator include stability of 0.2ppm over an operating temperature range of -40C to +85C; stability of 0.1ppm operating over a restricted temperature range of -10C to 70C; stability of 0.05ppm for supply voltage variations up to 5 percent, and for load variations up to 10 percent. With aging, the maximum change is only 0.5ppm per year, to ensure reliable long-term performance.

The device offers at 26MHz, typical phase noise figures of -117dBc/Hz at an offset of 100Hz, -138dBc/Hz at an offset of 1kHz and -152dBc/Hz at an offset of 10kHz.

The oscillator operates from a 3V supply voltage, and draws 2mA current when generating a clipped sine wave output, and 4mA when generating a CMOS square wave output.

The TS05 precision oscillator can be supplied in 1,000 units on tape and reel.

- Janine Love
??EE Times





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