Fast analog sampler for continuous recording and read-out...

Details Fast analog sampler for continuous recording and read-out... Fast analog sampler for continuous recording and read-out...

G - Physics

11

C

G11C 27/02 (2006.01)

Patent

CA 2571983

An analog sampler (1) for continuous recording and read-out of analog data carried by a bus (5) comprises an array (10) of recording cells (2) arranged in L rows (13) and C columns (12). Each cell (2) has an analog input (3) coupled to the write bus (5) and an analog output (103) coupled to a read bus (4) through commutation means (21, 25) having respectively a control digital input (23, 26). The cells of a column are recorded sequentially, whereas the cells of another column already recorded are read-out simultaneously. A constant number of columns separates the write column from the read column. The system is looped so that writing and read-out go on indefinitely in a continuous way.

La présente invention concerne un échantillonneur analogique (1) permettant l'enregistrement et la lecture en continu de données analogiques transportées par un bus (5), lequel échantillonneur comprend un réseau (10) de cellules d'enregistrement (2) disposées dans L rangées (13) et C colonnes (12). Chaque cellule (2) comprend une entrée analogique (3) couplée au bus d'écriture (5) et une sortie analogique (103) couplée à un bus de lecture (4) par l'intermédiaire de moyens de commutation (21, 25) dotés respectivement d'une entrée numérique de commande (23, 26). Les cellules d'une colonne sont enregistrées séquentiellement, pendant que les cellules d'une autre colonne qui sont déjà enregistrées sont lues simultanément. Un nombre constant de colonnes sépare la colonne d'écriture de la colonne de lecture. Le système est mis en boucle de manière à permettre une écriture et une lecture en continu de manière illimitée.

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