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Temperature-stable FBAR transmitter

  • US 10,097,387 B1
  • Filed: 08/15/2016
  • Issued: 10/09/2018
  • Est. Priority Date: 08/15/2016
  • Status: Active Grant
First Claim
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1. A method comprising:

  • calculating a first frequency drift associated with an oscillator at a current temperature;

    based on the calculation, generating a first signal indicative of temperature compensation data;

    generating a second signal indicative of packet data and a modulation schemeusing the first signal, the second signal, and a first predetermined signal to generate a first tuning signal; and

    using the first tuning signal to tune a first capacitor array coupled to the oscillator and a second tuning signal to tune a second capacitor array coupled to the oscillator such that (i) the oscillator generates a modulated RF signal indicative of the packet data and (ii) the modulated RF signal has a second frequency drift that is less than a threshold.

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