MEMS-based frequency synthesizers having variable bandwidth temperature compensation
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United States of America Patent
Stats
-
Dec 10, 2013
Grant Date -
N/A
app pub date -
Jun 29, 2012
filing date -
Jun 29, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A frequency synthesizer includes a frequency generator configured to generate a periodic output signal in response to a periodic input signal and a temperature-dependent code. A temperature sensor is provided, which is configured to generate a temperature measurement signal in response to detecting a temperature of at least a portion of the frequency synthesizer. A control circuit is provided, which is configured to generate the temperature-dependent code in response to the temperature measurement signal and a plurality of clocks having unequal frequencies. The control circuit can include a cascaded arrangement of an oversampled data converter and a digital filter, which are sequentially responsive to first and second ones of the plurality of clocks during generation of the periodic output signal by the frequency generator.
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International Classification(s)
- 2012 Application Filing Year
- H03L Class
- 753 Applications Filed
- 526 Patents Issued To-Date
- 69.86 % Issued To-Date
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Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 10, 2025 |