Super-regenerative receiver and correction method thereof
AssigneeThe Swatch Group Research and Development Ltd
InventorsArnaud Casagrande, Jean-Luc Arend
Life of this patent
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Abstract
A correction method for a super-regenerative receiver being configured to resonate at at least one oscillator resonant frequency reference value and comprising at least one control stage, at least one varactor, at least one reference system and, at least one oscillator. The method includes at least one setup of at least one reference signal value by the at least one reference system, at least one comparison of at least one oscillator frequency actual value of the at least one oscillator with the at least one reference signal value by the at least one reference system and at least one adjustment of at least one gain of the at least one control stage.
Claims19
A correction method (500) for a super-regenerative receiver (100);
- said super-regenerative receiver (100) configured to resonate at at least one oscillator resonant frequency reference value (111) and having at least one control stage (130), and at least one varactor (140), and at least one reference system (150) and at least one oscillator (110) configured to oscillate at at least one oscillator frequency actual value (112);
- said correction method (500) comprising any one or more of (a), (b), (c), and (d),
- wherein (a) comprises setting (510) of at least one reference signal value (158), by said at least one reference system (150);
- wherein (b) comprises comparing (560) of at least one frequency actual value (152) with at least one frequency control signal value (154) by said at least one reference system (150);
- wherein (c) comprises adjusting (570) of at least one gain of said at least one control stage (130) by said at least one reference system (150) via at least one gain control signal (156);
- and
- wherein (d) comprises tuning (580) the capacity value of said at least one varactor (140) via at least one tuning frequency control signal (131);
- said at least one tuning frequency control signal (131) is configured to vary the capacity value of said at least one varactor (140) such as to reduce the ratio between said at least one oscillator frequency actual value (112) and said at least one oscillator resonant frequency reference value (111) between 0.99 and 1.01.
Dependencies are inferred from the claim text.