2-Channel Time-Interleaved ADC Frequency Response Mismatch Correction Using Adaptive I/Q Signal Processing

被引：0

作者：

Singh, Simran ^{[1
]}

Epp, Michael ^{[1
]}

Vallant, Georg ^{[1
]}

Valkama, Mikko ^{[2
]}

Anttila, Lauri ^{[2
]}

机构：

[1] Cassidian, Woerthstr 85, D-89077 Ulm, Germany

[2] Tampere Univ Technol, Dept Elect & Commun Engn, Tampere, Finland

来源：

2013 IEEE 56TH INTERNATIONAL MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS (MWSCAS) | 2013年

基金：

芬兰科学院;

关键词：

COMPENSATION; CONVERTERS; ERRORS;

D O I：

暂无

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：

A novel adaptive compensation architecture for the frequency response mismatch of 2-channel Time-Interleaved ADC (TI-ADC) is proposed for developing high-yield self-adaptive systems. The proposed approach overcomes the existing methods in the sense that the TI-ADC mismatch identification can be performed without allocating a region where only the TI-ADC mismatch spurs are present. This is accomplished via mapping the TI-ADC problem into an I/Q mismatch problem which allows deploying complex statistical signal processing. As proof of the concept, the compensation architecture is demonstrated and tested on RF-sampling TI-ADC hardware data.

引用

页码：1079 / 1084

页数：6

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