Performance trends for analog to digital converters

Walden R.H.

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Performance trends for analog to digital converters

机译：模数转换器的性能趋势

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Analog-to-digital converters are key components of signal processing systems, and may even dictate system architectures due to their limitations on sampling rate and resolution. The state of the art for ADCs, including both experimental converters and commercially available parts, is reviewed. The data imply that the performance measure, P=2/sup SNRbits//spl middot/f/sub samp/, uncertainty in the sampling process (aperture jitter) over a very wide range of sampling rates. For ADCs operating at multi-GSPS rates, the speed of the device technology is also a limiting factor (due to comparator ambiguity). Technological progress as measured by P is discussed.

机译：模数转换器是信号处理系统的关键组件，并且由于其对采样率和分辨率的限制，甚至可能决定系统架构。回顾了ADC的最新技术，包括实验转换器和市售部件。数据表明，在很宽的采样率范围内，性能度量P = 2 / sup SNRbits // spl middot / f / sub samp /，即采样过程中的不确定性（孔径抖动）。对于以多GPS速率工作的ADC，器件技术的速度也是一个限制因素（由于比较器的不确定性）。讨论了用P衡量的技术进步。

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《IEEE Communications Magazine》 |1999年第2期|P.96-101|共6页
作者
Walden R.H.;
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正文语种 eng
中图分类无线电电子学、电信技术;
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Performance trends for analog to digital converters

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