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  • Xiyu Xu, Xiyu Xu
  • 2008 IEEE International Conference on Automation…
  • 2008
The theory and simulation of a base line automatic frequency control, AFC, are proposed in this paper. The AFC is used to track the voltage controlled temperature compensated crystal oscillator (VCTCXO) drift. It is required to lock on to a valid signal at some frequency offset of a pre-determined range. This method of producing a frequency estimate that is(More)
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