US 12,341,547 B2
Super-regenerative receiver and correction method thereof
Arnaud Casagrande, Bole (CH); and Jean-Luc Arend, Corcelles (CH)
Assigned to The Swatch Group Research and Development Ltd, Marin (CH)
Filed by The Swatch Group Research and Development Ltd, Marin (CH)
Filed on Jul. 5, 2022, as Appl. No. 17/857,658.
Claims priority of application No. 21200074 (EP), filed on Sep. 30, 2021.
Prior Publication US 2023/0101719 A1, Mar. 30, 2023
Int. Cl. H04B 1/16 (2006.01); H03D 11/02 (2006.01); H04B 1/26 (2006.01)
CPC H04B 1/163 (2013.01) [H03D 11/02 (2013.01); H04B 1/26 (2013.01)] 19 Claims
OG exemplary drawing
 
1. 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.