Fast analog sampler with great memory depth

Details Fast analog sampler with great memory depth Fast analog sampler with great memory depth

G - Physics

11

C

G11C 27/02 (2006.01) G11C 27/04 (2006.01)

Patent

CA 2445372

The invention concerns an analog sampler (1) for recording analog data carried by a bus (5) comprising an array (10) of recording cells (2) arranged in rows (13) and columns (12). Each cell (2) has an analog input (3) coupled with the bus (5) via a switch (21a) having a toggle digital input (23). Said device is characterised in that it comprises a delay line (9) associated with each column (12), coupled with the shift register. Successive outputs (11) of the line (9) are coupled with each of the digital inputs (11-1) of the cells (2) of the column (12) such that at any time not more than one single recording switch is switched. Thus, the signal is not perturbed by the noise.

Un Echantillonneur analogique (1) d'enregistrement de données analogiques portées par un bus (5) comporte un réseau (10) de cellules (2) d'enregistrement rangées en lignes (13) et colonnes (12). Chaque cellule (2) a une entrée (3) analogique couplée au bus (5) par l'intermédiaire d'un interrupteur (21a) ayant une entrée numérique, (23) de commande. Le dispositif est caractérisé en ce qu'il comporte une ligne à retard (9) associée à chaque colonne (12), couplée au registre à décalage. Des sorties (11) successives de la ligne (9) sont couplées à chacune des entrées numériques (11-1) des cellules (2) de la colonne (12) en sorte qu'à chaque instant il y a au plus une commutation d'un seul interrupteur d'enregistrement. Le signal n'est ainsi pas perturbé par le bruit.

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