A linearity testing of cascaded analog mixed-signal blocks using SEIR method

Tatsuya Ishikawa, Chia Wei Pai, Hiroki Ishikuro

研究成果: Conference contribution

抄録

This paper proposes a method to separate distortions of the input signal, amplifier, and analog-to-digital converter (ADC), which are cascaded blocks in the testing of an analog front-end system. The proposed technique extends the stimulus error identification and removal (SEIR) method to separate the low-quality input test signal, the nonlinearity of amplifier and ADC. The system model was built by using MATLAB/Simulink, and the nonlinearity of the input signal with distortion, amplifier, and ADC were successfully separated. With a 12-bit ADC, the estimation error of each block is less than 1 LSB in the simulation, and the proposed method was verified by measurement. The relations between the estimation error, calculation cost and each parameter in the proposed method are systematically studied.

本文言語English
ホスト出版物のタイトルI2MTC 2020 - International Instrumentation and Measurement Technology Conference, Proceedings
出版社Institute of Electrical and Electronics Engineers Inc.
ISBN(電子版)9781728144603
DOI
出版ステータスPublished - 2020 5
イベント2020 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2020 - Dubrovnik, Croatia
継続期間: 2020 5 252020 5 29

出版物シリーズ

名前I2MTC 2020 - International Instrumentation and Measurement Technology Conference, Proceedings

Conference

Conference2020 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2020
CountryCroatia
CityDubrovnik
Period20/5/2520/5/29

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Instrumentation

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