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

被引：0
|
作者：
Bramburger, Stefan [1 ,2 ]
Killat, Dirk [1 ]
机构：
[1] Brandenburg Tech Univ Cottbus, Microelect Dept, D-03046 Cottbus, Germany
[2] GED Elect Design GmbH, Technol Pk 27, D-15236 Frankfurt, Oder, Germany
来源：
ADVANCES IN RADIO SCIENCE | 2019年 / 17卷
关键词：
Current steering DAC - Monotonicity - Multi-bits - Potential power - Quantizers - Signal waveform - Tracking ADC - Variable step size;
D O I：
10.5194/ars-17-161-2019
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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.
引用
收藏
页码：161 / 167
页数：7
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