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CRYSTAL OSCILLATOR CALIBRATION

  • US 20140004887A1
  • Filed: 02/22/2013
  • Published: 01/02/2014
  • Est. Priority Date: 06/29/2012
  • Status: Abandoned Application
First Claim
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1. A method of temperature-calibrating an uncompensated crystal oscillator (XO), in a mobile device during mobile device operation, the method comprising:

  • receiving a first set of wireless signals comprising at least a first wireless signal of known frequency, at a first temperature;

    estimating a first frequency of the XO at the first temperature, based on at least the first wireless signal; and

    temperature-calibrating the XO based on the first frequency and the first temperature.

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