Analogue to digital converter

Details Analogue to digital converter Analogue to digital converter

H - Electricity

03

M

H03M 1/12 (2006.01) H03M 1/34 (2006.01)

Patent

CA 2443582

An analogue to digital converter (ADC) (5) comprises a comparator (14); an N x 1-bit clocked shift register; and a clock. Such an ADC is suitable for use in a system for controlling the envelope of a periodic waveform. The system comprises an ADC according to the invention and processing means, whereby the ADC samples an input waveform and the processing means determines a correction waveform, converts the correction waveform to an analogue signal, combines the correction waveform with the input waveform to control its envelope and outputs a combined waveform, wherein the combined waveform is substantially flat.

L'invention concerne un convertisseur analogique-numérique (CAN) (5) qui comprend un comparateur (14); un registre de décalage N x 1-bit cadencé; et une horloge. Ce CAN s'utilise dans un système pour contrôler l'enveloppe d'une forme d'onde périodique. Le système comprend un CAN de l'invention et un processeur. Le CAN échantillonne une forme d'onde d'entrée, tandis que le processeur détermine une forme d'onde de correction, convertit la forme d'onde de correction en un signal analogique, combine la forme d'onde de correction avec la forme d'onde d'entrée afin d'en contrôler l'enveloppe, et produit une forme d'onde combinée sensiblement plate.

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