Crystal oscillator targets femtocell applications
Precision Devices
TS05 temperature-compensated crystal oscillator
Precision Devices has launched the TS05, an ultra-stable temperature-compensated crystal oscillator (TCXO) targeted at femtocell and base-station applications.
The TS05 is offered in a 5 x 3.2 x 1.5mm package.
It provides stability of +/-0.2ppm over an operating temperature range of -40C to +85C.
When operating over a restricted temperature range of -10C to +70C, stability is even lower at +/-0.1ppm.
Stability is +/-0.05ppm for supply voltage variations up to five per cent, and for load variations up to 10 per cent.
With aging, the maximum change is only +/-0.5ppm per year to ensure reliable long-term performance.
The oscillator has good phase noise characteristics, according to Precision Devices.
At a frequency of 26MHz, typical phase noise figures are -117dBc/Hz at an offset of 100Hz, -138dBc/Hz at an offset of 1kHz and -152dBc/Hz at an offset of 10kHz.
The TS05 covers the frequency range from 10MHz to 52MHz.
The oscillator operates from a 3V supply voltage and draws 2mA current when generating clipped sinewave output, and 4mA when generating a CMOS squarewave output.
The TS05 precision oscillator can be supplied in 1,000 units on tape and reel.
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