带有多位量化器的10位跟踪ADC，可变步长和分段电流控制DAC

IF 0.6 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Advances in Radio Science Pub Date : 2019-09-19 DOI:10.5194/ars-17-161-2019

Stefan Bramburger, D. Killat

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引用次数: 1

摘要

摘要本文介绍了一种使用多位量化器和分段电流控制DAC的10位跟踪ADC。量化器允许根据输入信号波形动态调整步长。这缓解了delta编码ADC的有限转换速率。1引起的能耗 LSB纹波通过量化器消除。与之前的设计相比，分段电流控制DAC允许简单的控制、良好的单调性和改进的瞬态响应，以及潜在的功率降低。

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10-bit tracking ADC with a multi-bit quantizer, variable step size and segmented current-steering DAC

Abstract. This paper presents a 10-bit tracking ADC using a multi-bit quantiser and a segmented current-steering DAC. The quantiser allows a dynamical adjustment of the step size dependent on the input signal waveform. This mitigates the limited slew rate of delta encoded ADCs. Energy consumption induced by 1 LSB ripple is removed by the quantiser. The segmented current-steering DAC allows simple control, good monotonicity and improved transient response when compared to previous design as well as potential power reduction.

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来源期刊

Advances in Radio Science ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

0.90

自引率

0.00%

发文量

审稿时长

45 weeks