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US 10,771,048 B2Granted
Measurement of the duration of a pulse
AssigneesSTMicroelectronics (Crolles 2) SAS, STMicroelectronics S.r.l.
InventorsCapucine Lecat-Mathieu De Boissac, Fady Abouzeid, Gilles Gasiot, Philippe Roche, Victor Malherbe
Life of this patent
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Abstract
A first circuit includes a first chain of identical stages defining first and second delay lines. A second circuit includes a second chain of identical stages defining third and fourth delay lines. The stages of the second chain are identical to the stages of the first chain. A third circuit selectively couples one of the third delay line, the fourth delay line, or a first input of the third circuit to an input of the first circuit.
Claims20
A device, comprising:
- a first circuit providing a Vernier delay line circuit that comprises a first chain of identical stages defining first and second delay lines both coupled to a first input;
- a second circuit comprising a second chain of identical stages defining third and fourth delay lines, wherein the identical stages of the second chain are identical to the identical stages of the first chain;
- and
- a third circuit configured to selectively couple a selected one of an output of the third delay line, an output of the fourth delay line, or a first input of the third circuit to said first input of the first circuit,
- wherein said first circuit is configured to generate a digital signal representative of a duration of a pulse received by said first input of the first circuit.
2 more elements
Dependencies are inferred from the claim text.