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High Accuracy Approach for Crosstalk Effects Compensation on 2-D Resistive Sensor Array Readouts

Roohollah Norouzi ، Ehsan Rahiminejad ، Reza Lotfi

IEEE Sensors Journal

International Journal 2024 January Volume (24) No (5) Pages (6824-6833)
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Effectiveness of Gait Training Using Dynamic Bodyweight Support System on Locomotor Abilities of Ambulatory Children With Different Neural Disorders

Afsaneh Zeinalzadeh ، Reza Lotfi ، Hasan Barmaki ، Mohammad Lotfi ، Alireza Shadman ، Ali Asadi ، Hamidreza Kobravi

International Clinical Neurosciences Journal

International Journal 2023 December Volume (10) Pages (e14-8)
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Versatile DAC-less successive approximation ADC architecture for medium speed data acquisition

Ali Pourahmad ، Rasoul Dehghani ، Seyed Amirreza Ahmadi Mehr ، Reza Lotfi

Microelectronics Journal

International Journal 2022 November Volume (129) No (3) Pages (105585-105595)
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Speed-Power Improvement in High-Voltage Switches Employed in Multielectrode Arrays

Amin Safar Pour ، Farzaneh Dehnavi ، Mehdi Saberi ، Reza Lotfi

IEEE Transactions on Circuits and Systems Part II: Express Briefs

International Journal 2022 July Volume (69) No (7) Pages (3139-3143)
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A Two-Step Readout Technique for Large-Array Resistive Sensors

SARA GHAMSARI ، Mohammad Tavakkoli Quchani ، ، Peyman Amel Zendehdel ، Reza Lotfi

IEEE Sensors Journal

International Journal 2020 November Volume (20) No (21) Pages (12453-12458)
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A Low-Voltage High-Precision Time-Domain Winner-Take-All Circuit

Ehsan Rahiminejad ، Mehdi Saberi ، Reza Lotfi ، Mohammad Taherzadeh-Sani ، Frederic Nabki

IEEE Transactions on Circuits and Systems Part II: Express Briefs

International Journal 2019 January Volume (67) No (1) Pages (4-8)
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Energy-Efficient Wide-Range Voltage Level Shifters Reaching 4.2 fJ/Transition

Reza Lotfi ، Mehdi Saberi ، Seyed Rasool Hosseini ، S. A. R. Ahmadi Mehr ، R. B. Staszewski

IEEE Solid-State Circuits Letters

International Journal 2018 February Volume (1) No (2) Pages (34-37)
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A Charge-Redistribution Phase-Domain ADC Using an IQ-Assisted Binary-Search Algorithm

Leila Rajabi ، Mehdi Saberi ، ، Reza Lotfi ،

IEEE Transactions on Circuits and Systems Part I: IRegular Papers

International Journal 2017 July Volume (64) No (7) Pages (1696-1705)
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A Low-Power Level-Shifting Architecture for Sub-threshold Logic Circuits

Mehdi Saberi ، Seyed Rasool Hosseini ، Reza Lotfi

Journal of Electrical Systems and Signals

International Journal 2016 March Volume (2) No (2) Pages (11-16)
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Analysis of respiratory events in obstructive sleep apnea syndrome: Inter-relations and association to simple nocturnal features

Hosna Ghandeharioun ، ، Reza Lotfi

Revista Portuguesa de Pneumologia

International Journal 2016 March Volume (22) No (2) Pages (86-92)
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An Improved-Accuracy Approach for Readout of Large-Array Resistive Sensors

Roohollah Yarahmadi ، Amin Safar Pour ، Reza Lotfi

IEEE Sensors Journal

International Journal 2016 January Volume (16) No (1) Pages (210-215)
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A low-power capacitor switching scheme with low common-mode voltage variation for successive approximation ADC

Abdolrasool Ghasemi ، Mehdi Saberi ، Reza Lotfi

Microelectronics Journal

International Journal 2016 January Volume (61) No (3) Pages (15-20)
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A High-Speed and Power-Efficient Voltage Level Shifter for Dual-Supply Applications

Mehdi Saberi ، Seyed Rasool Hosseini ، Reza Lotfi

IEEE Transactions on Very Large Scale Integration (VLSI) Systems

International Journal 2016 January Volume (25) No (3) Pages (1154-1158)
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A Power-Efficient Signal-Specific ADC for Sensor-Interface Applications

Mehdi Saberi ، Ehsan Rahiminejad ، Reza Lotfi

IEEE Transactions on Circuits and Systems Part II: Express Briefs

International Journal 2016 January Volume (64) No (9) Pages (1032-1036)
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A Comparative Analysis of Phase-Domain ADC and Amplitude-Domain IQ ADC

، Reza Lotfi ، ،

IEEE Transactions on Circuits and Systems Part I: IRegular Papers

International Journal 2015 March Volume (62) No (3) Pages (671-679)
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A Low-Power Subthreshold to Above-Threshold Voltage Level Shifter

Seyed Rasool Hosseini ، Mehdi Saberi ، Reza Lotfi

IEEE Transactions on Circuits and Systems Part II: Express Briefs

International Journal 2014 October Volume (61) No (10) Pages (753-757)
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A 10-bit 110 kS/s 1.16 μW SA-ADC With a Hybrid Differential/Single-Ended DAC in 180-nm CMOS for Multichannel Biomedical Applications

Mohammad Taherzadeh-Sani ، Reza Lotfi ،

IEEE Transactions on Circuits and Systems Part II: Express Briefs

International Journal 2014 August Volume (61) No (8) Pages (584-588)
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Design and Evaluation of a Pressure and Temperature Monitoring System for Pressure Ulcer Prevention

Farveh Daneshvar Fard ، Sahar Moghimi ، Reza Lotfi

Iranian Journal of Medical Physics

International Journal 2014 July Volume (11) No (2) Pages (242-252)
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Nonlinear Signal-Specific ADC for Efficient Neural Recording in Brain-Machine Interfaces

، ، Reza Lotfi ،

IEEE Transactions on Biomedical Circuits and Systems

International Journal 2014 June Volume (8) No (3) Pages (371-381)
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Segmented Architecture for Successive Approximation Analog-to-Digital Converters

Mehdi Saberi ، Reza Lotfi

IEEE Transactions on Very Large Scale Integration (VLSI) Systems

International Journal 2014 March Volume (22) No (3) Pages (593-606)
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Analysis and Design of a Low-Voltage Low-Power Double-Tail Comparator

Samaneh Babayan ، Reza Lotfi

IEEE Transactions on Very Large Scale Integration (VLSI) Systems

International Journal 2014 February Volume (22) No (2) Pages (343-352)
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A Level-Crossing Based QRS-Detection Algorithm for Wearable ECG Sensors

Nassim Ravanshad ، Hamidreza Rezaee Dehsorkh ، Reza Lotfi ،

IEEE Journal of Biomedical and Health Informatics

International Journal 2014 January Volume (18) No (1) Pages (183-192)
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Evaluating Pressure Ulcer Development in Wheelchair-Bound Population Using Sitting Posture Identification

Farveh Daneshvar Fard ، Sahar Moghimi ، Reza Lotfi

Engineering

International Journal 2013 November Volume (5) No (10) Pages (132-136)
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An offset cancellation technique for comparators using body-voltage trimming

Samaneh Babayan ، Reza Lotfi

Analog Integrated Circuits And Signal Processing

International Journal 2012 December Volume (73) No (3) Pages (673-682)
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Low-voltage low-power Gm-C filters: a modified configuration for improving performance

- - ، Reza Lotfi ، Mohammad Maymandi Nejad

Analog Integrated Circuits And Signal Processing

International Journal 2012 October Volume (74) No (1) Pages (297-302)
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Impacts of NBTI/PBTI on performance of domino logic circuits with high-k metal-gate devices in nanoscale CMOS

Masaoud Houshmand Kaffashian ، Reza Lotfi ، Khlil Mafinezhad ،

Microelectronics Reliability

International Journal 2012 August Volume (52) No (8) Pages (1655-1659)
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A 10-bit 50-MS/s redundant SAR ADC with split capacitive-array DAC

Amir Arian ، Mehdi Saberi ، Seyed Saied Hosseini Khayat ، Reza Lotfi ،

Analog Integrated Circuits And Signal Processing

International Journal 2011 December Volume (71) No (3) Pages (583-589)
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Impact of NBTI on performance of domino logic circuits in nano-scale CMOS

Masaoud Houshmand Kaffashian ، Reza Lotfi ، Khlil Mafinezhad ،

Microelectronics Journal

International Journal 2011 December Volume (42) No (12) Pages (1327-1334)
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Analysis and Design of Tunable Amplifiers for Implantable Neural Recording Applications

Hamidreza Rezaee Dehsorkh ، Nassim Ravanshad ، Reza Lotfi ، Khlil Mafinezhad ،

IEEE Journal on Emerging and Selected Topics in Circuits and Systems

International Journal 2011 December Volume (1) No (4) Pages (546-556)
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An optimization method for NBTI-aware design of domino logic circuits in nano-scale CMOS

Masaoud Houshmand Kaffashian ، Reza Lotfi ، Khlil Mafinezhad ،

IEICE Electronics Express

International Journal 2011 September Volume (8) No (17) Pages (1406-1411)
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Analysis of power consumption and linearity in capacitive digital-to-analog converters used in successive-approximation ADCs

Mehdi Saberi ، Reza Lotfi ، Khlil Mafinezhad ،

IEEE Transactions on Circuits and Systems Part I: IRegular Papers

International Journal 2011 August Volume (58) No (8) Pages (1736-1748)
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A low-power successive-approximation ADC for biomedical applications

Mehdi Saberi ، Hassan Sepehrian ، Reza Lotfi ، Khlil Mafinezhad

IEICE Electronics Express

International Journal 2011 February Volume (8) No (4) Pages (195-201)
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Low-dropout voltage reference: an approach to low-temperature-sensitivity architectures with high drive capability

، Reza Lotfi ، Khlil Mafinezhad

Electronics Letters

International Journal 2009 November Volume (45) No (24) Pages (1200-1201)
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Modified Model for Settling Behavior of Operational Amplifiers in Nanoscale CMOS

Hamidreza Rezaee Dehsorkh ، Nassim Ravanshad ، Reza Lotfi ، Khlil Mafinezhad

IEEE Transactions on Circuits and Systems Part II: Express Briefs

International Journal 2009 May Volume (56) No (5) Pages (384-388)
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Design of Three-Stage Nested-Miller Compensated Operational Amplifiers Based on Settling Time

، Khlil Mafinezhad ، Reza Lotfi

International Journal of Circuits, Systems and Signal Processing

International Journal 2009 March Volume (3) No (3) Pages (164-172)
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Design of low-power single-stage operational amplifiers based on an optimized settling model

، Reza Lotfi ، Khlil Mafinezhad

Analog Integrated Circuits And Signal Processing

International Journal 2009 February Volume (58) No (2) Pages (153-160)
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Low-cost area-efficient low-dropout regulators using MOSFET capacitors

، Reza Lotfi ، Khlil Mafinezhad

IEICE Electronics Express

International Journal 2008 August Volume (5) No (16) Pages (610-616)
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A sub-1-V high-gain single-stage operatinal amplifier

Seyed Alireza Zabihian ، Reza Lotfi

IEICE Electronics Express

International Journal 2008 April Volume (5) No (7) Pages (211-216)
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Design of high-speed two-stage cascode-compensated operational amplifiers based on settling time and open-loop parameters

، Mohammad Danaie ، Reza Lotfi

Integration, the VLSI Journal

International Journal 2008 February Volume (41) No (2) Pages (183-192)
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ON THE POWER EFFICIENCY OF CASCODE COMPENSATION OVER MILLER COMPENSATION IN TWO-STAGE OPERATIONAL AMPLIFIERS

، Reza Lotfi

Journal of Circuits, Systems and Computers

International Journal 2008 February Volume (17) No (1) Pages (1-13)
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Design Guidelines for High-Speed Two-Stage CMOS Operational Amplifiers

، Reza Lotfi

Arabian Journal for Science and Engineering

International Journal 2007 December
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A Highly-Linear Transconductor for Gm-C Tracking Filters Employed in Digital TV Tuners

Mehdi Saberi - Mohammad Hosnan - Hossein Sobhanifar - Reza Lotfi

Iranian Conference on Electrical Engineering (ICEE)

International Conferences | 2017-05-02
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A Fully-Synchronous Offset-Insensitive Level-Crossing Analog-to-Digital Converter

Nassim Ravanshad - Hamidreza Rezaee-Dehsorkh - Reza Lotfi

IEEE Midwest Symposium on Circuits and Systems

International Conferences | 2016-10-16
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A 0.7-V 400-μW 16-bit audio sigma-delta modulator with a modified tracking quantizer

Mehdi Saberi - Majid Yaghoobi - Reza Lotfi

Iranian Conference on Electrical Engineering (ICEE)

International Conferences | 2016-05-10
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An Energy-Efficient Level Shifter for Low-Power Applications

Seyed Rasool Hosseini - Mehdi Saberi - Reza Lotfi

IEEE International Symposium on Circuits and Systems

International Conferences | 2015-05-24
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Analysis of Power in Dynamic Comparators

Samaneh Babayan - Mojtaba Daliri Reza Gholi Gheshlaghi - Reza Lotfi

21st Iranian Conference on Electrical Engineering, ICEE 2013

International Conferences | 2013-05-14
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Detailed Study of the Time Estimation in Level-Crossing Analog-to-Digital Converters

Nassim Ravanshad - Hamidreza Rezaee Dehsorkh - Reza Lotfi

21st Iranian Conference on Electrical Engineering, ICEE 2013

International Conferences | 2013-05-14
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Modified Structures for Power-Efficient Level Translators

Seyed Rasool Hosseini - Ehsan Rahiminejad - Reza Lotfi

21st Iranian Conference on Electrical Engineering, ICEE 2013

International Conferences | 2013-05-14
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Pressure Ulcer Risk Assessment by Monitoring Interface Pressure and Temperature

Sahar Moghimi - Farveh Daneshvar Fard - Reza Lotfi

21st Iranian Conference on Electrical Engineering (ICEE)

International Conferences | 2013-05-14
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Power Reduction Techniques in a 6 bit 1 GSPS Flash ADC

Seyed Hadi Nasrollaholhosseini - Samaneh Babayan - Reza Lotfi

بیستمین کنفرانس مهندسی برق ایران

International Conferences | 2012-05-15
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New Charge Balancing Method Based on Imbalanced Biphasic Current Pulses for Functional Electrical Stimulation

Saed Moradi - Esmaeel Maghsoudloo - Reza Lotfi

بیستمین کنفرانس مهندسی برق ایران

International Conferences | 2012-05-15
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A Power-Efficient CMOS Active Pixel Sensor Imager with Column-Level Difference ADC in 0.18-um

Saleh Masoodian - Reza Lotfi

بیستمین کنفرانس مهندسی برق ایران

International Conferences | 2012-05-15
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An offset cancellation technique for comparators using body-voltage trimming

Samaneh Babayan - Seyed Hadi Nasrollaholhosseini - Hassan Sepehrian - Reza Lotfi

IEEE International new circuits and systems conference

International Conferences | 2011-06-26
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A Signal-Specific Successive-Approximation Analog-to-Digital Converter

Hassan Sepehrian - Mehdi Saberi - Reza Lotfi

International Symposium on Circuits and Systems

International Conferences | 2011-05-15
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A Signal-Specific Successive-Approximation Analog-to-Digital Converter

Hassan Sepehrian - Mehdi Saberi - Reza Lotfi

IEEE International Symposium on Circuits and Systems

International Conferences | 2011-05-15
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A nonlinear signal specific ADC for efficient neural recording

Mohsen Jusy - Amir M. Sodagar - Reza Lotfi

IEEE Biomedical circuits and systems conference

International Conferences | 2010-11-03
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Domino ADC: A novel analog-to-digital converter architecture

محمد تختی - امیر مسعود سوداگر - Reza Lotfi

IEEE International symposium on circuits and systems

International Conferences | 2010-05-31
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Linearity Enhancement in Digital-to-Analog Converters Using a Modified Decoding Architecture

Seyed Moslem Hokmabadi - Reza Lotfi

IEEE International Symposium on Circuits and Systems

International Conferences | 2010-05-31
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Capacitor scaling for low-power design of cyclic analog-to-digital converters

Maryam Zarre - Reza Lotfi - Mohammad Maymandi Nejad

IEEE International Symposium on Circuits and Systems

International Conferences | 2010-05-31
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Low-dropout voltage reference: an approach to buffered architectures with los sensitivity

- Reza Lotfi - Khlil Mafinezhad

IEEE International Symposium on Circuits and Systems

International Conferences | 2010-05-31
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A low-power architecture for integrating analog-to-digital converters

Ehsan Rahiminejad - Reza Lotfi

16th IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2009

International Conferences | 2009-12-13
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Analysis of the linearity of pipelined ADC due to capacitor non-linearity

Mehdi Saberi - Reza Lotfi

16th IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2009

International Conferences | 2009-12-13
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An ultra-low-power 10-Bit 100-kS/s successive-approximation analog-to-digital converter

Reza Lotfi - Rabeeh Majidi - Mohammad Maymandi Nejad - Wouter. A. Serdijn

IEEE International Symposium on Circuit and Systems-2009

International Conferences | 2009-05-24
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Area-Efficient Low-Cost Low-Dropout Regulators Using MOS Capacitors

- Reza Lotfi - Khlil Mafinezhad

IEEE International symposium on system-on-chip

International Conferences | 2008-11-04
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Simulation-Equation-Based Methodology for Design of CMOS Amplifiers Using Geometric Programming

Mohammad Hossein Maghami - Farzad Inanlou - Reza Lotfi

IEEE International Conf. on Electronics, Circuits, and Systems

International Conferences | 2008-08-31
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اثربخشی استفاده از \\\"سامانه هوشمند تعلیق وزن دینامیک\\\" بر توانایی عملکردی کودکان مبتلا به فلج مغزی و دیگر بیماری های دستگاه عصبی

رضا لطفی - حسن برمکی - محمد لطفی - حمیدرضا کبروی - علیرضا شادمان - افسانه زینل زاده

علوم پیراپزشکی و توانبخشی

Internal journal | اسفند ۱۴۰۰ Volume (10) No (4) Pages (7-19)
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تثبیت کننده های دیجیتالی ولتاژ با افت کم: جایگاه، معماری ها و چالش ها

محمد توکلی قوچانی - رضا لطفی

Iranian Conference on Microelectronics

Internal conferences | ۱۳۹۹/۱۰/۰۳
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مدار بهبود یافته خواندن از آرایه های حسگر مقاومتی با ابعاد بزرگ

روح اله یاراحمدی خراسانی - رضا لطفی - سجاد رمضانیان کیکانلو - علی باقریان

21st Iranian Conference on Electrical Engineering, ICEE 2013

Internal conferences | ۱۳۹۲/۰۲/۲۴
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تحلیل رفتار غیر خطی مبدلهای دیجیتال به آنالوگ خازنی مبناء دو مورد استفاده در مبدل آنالوگ به دیجیتال تقریب متوالی

مهدی صابری - رضا لطفی - خلیل مافی نژاد

کنفرانس مهندسی برق ایران

Internal conferences | ۱۳۸۹/۰۲/۲۱