Digital downconverter with digital oscillator frequency error correction
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United States of America
Stats
-
Feb 25, 2020
Grant Date -
Jul 4, 2019
app pub date -
Apr 10, 2018
filing date -
Apr 10, 2018
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A digital local oscillator includes a look-up table and oscillator control circuitry. The look-up table contains samples of the digital local oscillator signal. The oscillator control circuitry is configured to select samples from the look-up table based on an accumulated phase value. The oscillator control circuitry is also configured to add a correction value to the accumulated phase value based on a difference of a frequency of the digital local oscillator signal and a desired frequency.
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International Classification(s)
- 2018 Application Filing Year
- H03L Class
- 603 Applications Filed
- 510 Patents Issued To-Date
- 84.58 % Issued To-Date
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- 0 Citation Count
- H03L Class
- 0 % this patent is cited more than
- 5 Age
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