IMPROVED COMPENSATION FOR ANALOG-TO-DIGITAL CONVERTERS

被引：46
|
作者：
IRONS, FH
HUMMELS, DM
KENNEDY, SP
机构：
[1] Department of Electrical and Computer Engineering, University of Maine, Orono
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS | 1991年 / 38卷 / 08期
关键词：
D O I：
10.1109/31.85640
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：
Two changes are recommended for procedures used in building two-dimensional state-space error correction tables to compensate high speed analog-to-digital converters (ADC's). The modifications require three frequencies to calibrate all states as well as extrapolation of estimated outputs to achieve a straight line input-output integral characteristic for the ADC. A simulated 6-bit ADC with only 35-dBc spurious free signal range is shown to be correctable to 53 dB over 80% of the Nyquist band when suggested changes are used to calibrate the ADC.
引用
收藏
页码：958 / 961
页数：4
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