Analysis and design of a low-voltage low-power double-tail comparator S Babayan-Mashhadi, R Lotfi
IEEE transactions on very large scale integration (vlsi) systems 22 (2), 343-352, 2013
498 2013 Analysis of power consumption and linearity in capacitive digital-to-analog converters used in successive approximation ADCs M Saberi, R Lotfi, K Mafinezhad, WA Serdijn
IEEE Transactions on Circuits and Systems I: Regular Papers 58 (8), 1736-1748, 2011
273 2011 A level-crossing based QRS-detection algorithm for wearable ECG sensors N Ravanshad, H Rezaee-Dehsorkh, R Lotfi, Y Lian
IEEE journal of biomedical and health informatics 18 (1), 183-192, 2013
180 2013 Analysis and design of tunable amplifiers for implantable neural recording applications H Rezaee-Dehsorkh, N Ravanshad, R Lotfi, K Mafinezhad, AM Sodagar
IEEE Journal on Emerging and Selected Topics in Circuits and Systems 1 (4 …, 2011
131 2011 A low-power subthreshold to above-threshold voltage level shifter SR Hosseini, M Saberi, R Lotfi
IEEE Transactions on Circuits and Systems II: Express Briefs 61 (10), 753-757, 2014
94 2014 An offset cancellation technique for comparators using body-voltage trimming S Babayan-Mashhadi, R Lotfi
Analog Integrated Circuits and Signal Processing 73, 673-682, 2012
81 2012 Energy-efficient wide-range voltage level shifters reaching 4.2 fJ/transition R Lotfi, M Saberi, SR Hosseini, AR Ahmadi-Mehr, RB Staszewski
IEEE Solid-State Circuits Letters 1 (2), 34-37, 2018
65 2018 Design optimization of analog integrated circuits using simulation-based genetic algorithm M Taherzadeh-Sani, R Lotfi, H Zare-Hoseini, O Shoaei
Signals, Circuits and Systems, 2003. SCS 2003. International Symposium on 1 …, 2003
61 2003 A high-speed and power-efficient voltage level shifter for dual-supply applications SR Hosseini, M Saberi, R Lotfi
IEEE Transactions on Very Large Scale Integration (VLSI) Systems 25 (3 …, 2016
56 2016 A 1-V MOSFET-only fully-differential dynamic comparator for use in low-voltage pipelined A/D converters R Lotfi, M Taherzadeh-Sani, MY Azizi, O Shoaei
Signals, Circuits and Systems, 2003. SCS 2003. International Symposium on 2 …, 2003
48 2003 Nonlinear signal-specific ADC for efficient neural recording in brain-machine interfaces M Judy, AM Sodagar, R Lotfi, M Sawan
IEEE transactions on Biomedical Circuits and Systems 8 (3), 371-381, 2013
45 2013 An improved-accuracy approach for readout of large-array resistive sensors R Yarahmadi, A Safarpour, R Lotfi
IEEE Sensors Journal 16 (1), 210-215, 2015
37 2015 An ultra-low-power 10-bit 100-kS/s successive-approximation analog-to-digital converter R Lotfi, R Majidi, M Maymandi-Nejad, WA Serdijn
2009 IEEE International Symposium on Circuits and Systems (ISCAS), 1117-1120, 2009
36 2009 A low-power design methodology for high-resolution pipelined analog-to-digital converters R Lotfi, M Taherzadeh-Sani, MY Azizi, O Shoaei
Proceedings of the 2003 international symposium on Low power electronics and …, 2003
34 2003 Segmented architecture for successive approximation analog-to-digital converters M Saberi, R Lotfi
IEEE Transactions on Very Large Scale Integration (VLSI) Systems 22 (3), 593-606, 2013
33 2013 Ultra-low-voltage, low-power, high-speed operational amplifiers using body-driven gain-boosting technique SA Zabihian, R Lotfi
2007 IEEE International Symposium on Circuits and Systems, 705-708, 2007
31 2007 Low-power design techniques for low-voltage fast-settling operational amplifiers in switched-capacitor applications R Lotfi, M Taherzadeh-Sani, MY Azizi, O Shoaei
Integration 36 (4), 175-189, 2003
29 2003 A 10-bit 110 kS/s 1.16 SA-ADC With a Hybrid Differential/Single-Ended DAC in 180-nm CMOS for Multichannel Biomedical Applications M Taherzadeh-Sani, R Lotfi, F Nabki
IEEE Transactions on Circuits and Systems II: Express Briefs 61 (8), 584-588, 2014
28 2014 Design of high-speed two-stage cascode-compensated operational amplifiers based on settling time and open-loop parameters H Aminzadeh, M Danaie, R Lotfi
Integration 41 (2), 183-192, 2008
28 2008 An energy-efficient level shifter for low-power applications SR Hosseini, M Saberi, R Lotfi
2015 IEEE International Symposium on Circuits and Systems (ISCAS), 2241-2244, 2015
27 2015