High accuracy satellite receiving controller and associated method
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United States of America Patent
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Jul 17, 2012
Grant Date -
Oct 22, 2009
app pub date -
Feb 5, 2009
filing date -
Feb 5, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A high accuracy satellite signal receiving controller and associated method is provided. The high accuracy satellite signal receiving controller includes a frequency synthesizer, and an analog-to-digital converter (ADC), a Global Positioning System (GPS) receiving module and a control unit. The frequency synthesizer, coupled to an external non-temperature-compensated crystal oscillator (non-TXCO), generates an oscillating frequency signal to the GPS receiving module. The ADC converts an analog temperature signal into a digital temperature signal. The control unit, coupled to the ADC, adaptively updates temperature/frequency offset data.
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