UM
A Calibration Scheme for Stability of Self-biased Ring Amplifier
Yan, Rongshen; Chan, Chi-Hang; Sin, Sai-Weng; Seng-Pan, U.; Martins, R. P.; Wang, ZH; Xie, WH
2017
Conference Name2017 6TH INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS AND COMPUTER SCIENCE (ICAMCS 2017)
Pages226-235
Publication Place703 KILMAR CRES, OTTAWA, ONTARIO K2T 0B1, CANADA
PublisherCLAUSIUS SCIENTIFIC PR INC
AbstractThis paper presents a calibration scheme to enhance the robustness of the Self Biased Ring Amplifier (SBRA) under PVT variations. As the ring amplifier is developed based on a ring oscillator structure, it can easily oscillate under PVT variations. The proposed calibration method utilizes an Oscillation Detection Circuit (ODC) with a close loop control of a Programmable Resistor Array Circuit (PRAC) to adjust the dead-zone (stability region), thus stabilizing the SBRA. The introduced ODC and PRAC have little influence on the power efficiency as well as hardware overhead. Based on a 1.5 bit/stage Multiplying Digital to Analog Converter (MDAC) circuit setup, the simulation shows that the proposed method can stabilize the ring amplifier in the range of 0 degrees C to 85 degrees C at all corners.
KeywordCalibration Self-biased Ring Amplifier PVT Variations Oscillation Detection Programmable Resistor
DOI10.23977/icames.2017.1029
URLView the original
Indexed ByCPCI
Language英语
WOS Research AreaEngineering ; Materials Science ; Mathematics
WOS SubjectEngineering, Mechanical ; Materials Science, Multidisciplinary ; Mathematics, Applied
WOS IDWOS:000432428300029
The Source to ArticleWOS
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Document TypeConference paper
CollectionUniversity of Macau
Recommended Citation
GB/T 7714
Yan, Rongshen,Chan, Chi-Hang,Sin, Sai-Weng,et al. A Calibration Scheme for Stability of Self-biased Ring Amplifier[C]. 703 KILMAR CRES, OTTAWA, ONTARIO K2T 0B1, CANADA:CLAUSIUS SCIENTIFIC PR INC,2017:226-235.
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