Multi-bit resolution sub-pipeline structure for measuring jump magnitude of transmission curve

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United States of America Patent

PATENT NO 11716091
APP PUB NO 20220224350A1
SERIAL NO

17614336

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Abstract

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A multi-bit resolution sub-pipeline structure for measuring a jump magnitude of a transmission curve, comprising: a sub-analog-to-digital converter having n-bit resolution configured to quantize input analog voltage signals and output digital voltage signals; a sub-digital-to-analog converter having n-bit resolution configured to convert the digital voltage signals output by the sub-analog-to-digital converter into corresponding analog voltage signals; a decoder having n-bit resolution configured to decode an n-bit binary input signal; and a switched-capacitor amplification unit configured to, when in a normal mode, perform sampling and residue amplification on the input analog voltage signals; and when in a test mode, measure the jump magnitude of the transmission curve corresponding to each decision level. Magnitude measurement of a transmission curve is performed within 2n clock periods, th and a measurement result is sent to a back-end digital domain of the A/D converter for correction.

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Patent Owner(s)

Patent OwnerAddress
NO 24 RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATIONCHONGQING

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deng, Minming Chongqing, CN 5 4
Fu, Dongbing Chongqing, CN 45 23
Hu, Shengdong Chongqing, CN 3 1
Liu, Lu Chongqing, CN 332 1323
Liu, Tao Chongqing, CN 613 3850
Luo, Jun Chongqing, CN 335 1637
Wang, Jian'an Chongqing, CN 26 11
Wang, Xu Chongqing, CN 406 1331
Wang, Yan Chongqing, CN 1171 7294
Wang, Yuxin Chongqing, CN 191 2188
Xu, Daiguo Chongqing, CN 21 12
Xu, Zicheng Chongqing, CN 5 2
Yu, Zhou Chongqing, CN 189 974

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