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Low power, high speed multi-channel data acquisition system and method

机译：低功耗，高速多通道数据采集系统及方法

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摘要

In a data acquisition system, digitizing circuitry (2A) is powered up by a control signal (ADC_CONVST), superimposing a glitch (42-1) on a first multiplexed and amplified signal value (V_INF) received by the digitizing circuitry. Sampling and holding of the first multiplexed and amplified signal value occurs during a delay provided between the glitch and a beginning of a first A/D conversion of the first multiplexed and amplified signal value to allow settling of the glitch. After the first conversion begins, a second multiplexed and amplified signal value is generated. The digitizing circuitry performs the first A/D conversion during initial settling of the second multiplexed and amplified signal value and then is powered down while the second multiplexed and amplified signal value continues to settle.

机译：在数据采集系统中，数字化电路（ 2 A）由控制信号（ADC_CONVST）供电，叠加了故障（ 42 - 1 ）在由数字化电路接收的第一个复用和放大的信号值（V _{INF ）上。第一多路复用和放大的信号值的采样和保持在毛刺和第一多路复用和放大的信号值的第一A / D转换的开始之间的延迟期间发生，以允许毛刺的稳定。在第一转换开始之后，产生第二复用和放大的信号值。数字化电路在第二多路复用和放大信号值的初始建立期间执行第一A / D转换，然后在第二多路复用和放大信号值继续稳定的同时断电。} 展开▼

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公开/公告号US8411707B2

专利类型

公开/公告日2013-04-02

原文格式PDF

申请/专利权人 JOHNNIE F. MOLINA;HUGO CHEUNG;
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申请/专利号US20090587439

发明设计人 HUGO CHEUNG;JOHNNIE F. MOLINA;
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申请日2009-10-07

分类号H04J3/02;

国家 US

入库时间 2022-08-21 16:43:42

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