Curriculum Vitae


Esmaeil Najafi Aghdam, PhD
Associate Professor of Electronics Eng.

Name :   Esmaeil Najafi Aghdam      

Date of Birth : 01/08/1964  Zonouz     , Nationality : Iranian      , Marital Status : Married ( 3 children)
Tel :  +98 (0)412 34 59326
,      Mobile: +98 (0)9143098997 ,  Fax : +98 (0)412 34 44322 ,  Email:

Professional Experience:

Associate Professor, Sahand University of Technology,

 Faculty of Electrical Eng.   Room No. E213, New Sahand City, Tabriz, Iran


Ph.D.  :   

·         Electronics Engineering, SUPELEC (école supérieure d’électricité), University of Paris-XI, France, 2002-2006,

  • Grade: "Très honorable" (highest possible in France)
  • Thesis:


English: “Novel dynamic element matching techniques for multibit DAC used in a delta-sigma modulator”

  • Supervisor: Prof. Philippe  Benabes

M.Sc. :

·         Electronics Engineering,  Amir-Kabir University of Technology, Tehran, Iran 1991 and 1994 , GPA: 16.82/20 .

·         Thesis: Design & Implementation a low-phase noise C-Band oscillator (8 GHz)

·         Supervisors: (late) Prof. Akbar Adibi and  Prof. Hormoz Bouzari

B.Sc. :   

  • Electronics Engineering, University of Sistan & Baluchestan (USB), Zahedan, Iran, 1990, GPA: 15.78/20 (rank 1)
  • Thesis:  Design & Implementation  a UHF power amplifier
  • Supervisor: Prof. Jalil Rashed  Mohassel
    Professional Membership:

    Areas of Interests:
    • First Topics:

    Delta-Sigma converters, ADC & DAC: linearity enhancement in multibit DSM, high order dynamic element matching (DEM), dynamic errors in continuous-time DSM.

    Analog circuits, RF and low noise amplifiers, oscillators and comparators

    • Second Topics: Ultrasonic systems and circuits design and applications , Electronic measurement

    Research Skils:

    Language:   Turkish (native)     , Persan, English, French

    Teaching Experience:

    ·         Under Graduate:  Electrical circuits-I, Electronics circuits-I, II, III, Physics of semiconductors,
    Electronics measurements, Communication circuits.

    ·         Graduate: Linear integrated circuit design / Analog CMOS integrated circuits design, 

    High performance A/D and D/A converter Design, RF electronics circuit design, VLSI design-(1), Selected topics on Ultrasonic (High power and Industrial application), 

    Training Courses and Workshops Attended:

    Academic Accomplishments:

    Awards and Distinctions:



     Prof. P.Benabes:      Tel: +33 1 69 85 1419,   

    Prof. M.H. Sedaghi:   Tel: +98 411 5214137,


    Publications (some):
    [48C] Abolfazl Moradpour, Farnam Khalili, Esmaeil Najafi Aghdam, “A New Two-path Band pass Delta Sigma Modulator structure with tunability in filter resonance frequency”,  23rd Iranian Conference on Electrical Engineering (ICEE2015),  May 10-14, 2015, Tehran, IRAN
     [47C] Babak Teymouri, and Esmaeil Najafi Aghdam, “Stability and Sensitivity Analysis and Optimization of Delta Sigma modulators”, 23rd Iranian Conference on Electrical Engineering (ICEE2015), May 10-14, 2015, Tehran, IRAN
     [46C]   Afshin Kashani Ilkhechi, Hadi Mirzajani, Esmaeil Najafi Aghdam, Habib Badri Ghavifekr, “A Novel Electrostatically Actuated SPDT Rotary RF MEMS Switch for Ultra-Broadband Applications”,  23rd Iranian Conference on Electrical Engineering (ICEE2015),  May 10-14, 2015, Tehran, IRAN
    [45j] Meysam Mohammadi Khanghah, Amir Alipour Asl, Esmaeil Najafi Aghdam, Khosrov Dabbagh Sadeghipour, “
    Skip–Swap” method instead of “Skip–Fill” method in background calibration of pipelined ADCs
    ”, Analog Integrated Circuits and Signal Processing, 1-9 , 2015.
    ‎ [44C]  Sorore Benabid, Esmaeil Najafi Aghdam , “Design and simulation of a 6 th Order continuous-time sigma-delta modulator using integrated lc filter in a standard CMOS technology”, Applied Electronics (AE), 2014 International Conference on , Pages: 21-26, 9 Sep. 2014,

    [43j] Hadi Mirzajani , Habib Badri Ghavifekr, Esmaeil Najafi Aghdam, Hamed Demaghsi, Reza Hadjiaghaie Vafaie, “Enhancement of mechanical resonant modes by iniaturization of frequency tunable MEMS‑enabled microstrip patch antenna”, Microsystem Technologies-Micro- and Nanosystems Information Storage and Processing Systems,  Springer, 2014,  DOI 10.1007/s00542-014-2126-7
    [42B] Hadi Mirzajani, Habib Badri Ghavifekr, Esmaeil Najafi Aghdam, “Broadband Wireless Access Networks for 4G: Theory, Application, and Experimentation, Chapter 10: MEMS-Enabled Smart Beam- Steering Antennas”, DOI: 10.4018/978-1-4666-4888-3.ch010, Book published in the IGI Global book series Advances in Wireless Technologies and Telecommunication (AWTT), USA, 2014
    [41C]Abbaszadeh Javad, Esmaeil Najafi Aghdam , Abdul Rahim Herlina, Abdul Rahim Ruzairi and Sahar Sarafi, “Design and Implementation a Microcontroller based High Power Ultrasonic Dispersion System with self-Frequency adjusting”, Proceedings of 4th International Conference on Power Engineering, Energy and Electrical Drives, POWERENG, Istanbul, Turkey, 13-17 May 2013
    [40J] J. Abbaszadeh, H. Abdul Rahim, E. Najafiaghdam, R. Abdul Rahim, S. Sarrafi , “ Increasing the efficiency of ultrasonic dispersion system with use of control loop to automatic frequency adjusting “, International Journal on Smart Sensing and Intelligent Systems, Vol. 4, No. 2, June 2011
    [39J] Mohammad Honarparvar, Esmaeil Najafi Aghdam, “Reconfigurable Hybrid CT / DT Delta-Sigma Modulator with Op-Amp Sharing Technique Dedicated to Multi Mode Receivers”,  Analog Integrated Circuits and Signal Processing, Springer Journals, Vol.79, N.1, April 2014(DOI: 10.1007/s10470-014-0277-1)
    [38J] Zahra Deyhim, Zeynab Yousefi, Habib Badri Ghavifekr,
    Esmaeil Najafi Aghdam,"A high sensitive and robust controllable MEMS gyroscope with inherently linear control force using a high performance 2‑DOF oscillator” Microsyst Technol, Springer,  December 2013, DOI 10.1007/s00542-013-1984-8
    [37C]  [36C]   ADSL[35C]   [30J] Mojtaba Khoddam , Esmaeil Najafi Aghdam, “A Power Efficient Multi-Standard Continuous-Time ΣΔ Converter for 4G Radios” International Review on Modelling and Simulations (I.RE.MO.S.), Vol. 4, n. 6 April 2012
    [29C]Mojtaba Khoddam , Esmaeil Najafi Aghdam , Amirhosein Foroutan, “Multi-Levels Asynchronous Sigma-Delta Modulation Based ADC” ICIAS 2012, Juin 2012, Malaysia ,
    [28C] Mohammad Honarparvar , Esmaeil Najafi Aghdam, “Dual Mode Reconfigurable Continuous Time Delta-Sigma Modulator for GSM/WCDMA Standards” , 20th Iranian Conference on Electrical Engineering, Tehran,
    [27P] ثبت اختراع، سامانهالکترونیکیقرائتخاموشوارسالراهدورکارکردکنتورآب، سازمان ثبت اسناد و املاک جمهوری اسلامی ایران، شماره اظهارنامه    ، شماره ثبت اختراع  ، تاریخ ثبت اختراع 8/05/91

     [26P] ثبت اختراع، راکتور پیوسته ی لوله ای فراصوتی ۱۰۰۰۰واتي، سازمان ثبت اسناد و املاک جمهوری اسلامی ایران، شماره اظهارنامه   390070574، شماره ثبت اختراع 73058، تاریخ ثبت اختراع 04/10/90
    [25C]Adel Pourmand, Esmaeil Najafi Aghdam, Amir Zahedi, » A Fully Integrated CMOS Low Noise Amplifier for IEEE 802.11a Standard Applications», 19th Iranian Conference on Electrical Engineering, Tehran,
    [24C]Yahya Hasanpour, Esmaeil Najafi Aghdam, Vahid Sabouhi, « Dynamic Element Matching Using Simultaneity Tow Different Techniques for Multibit Delta Sigma Modulator », 19th Iranian Conference on Elec. Eng., Tehran,
    [23C] Mohammad Honarparvar , Esmaeil Najafi Aghdam, Mousa Shamsi, , Amir Zahedi, Mohammad Zafaranchi, “A Low Power, High Performance Multi-Mode Delta-Sigma ADC for GSM, WCDMA and WLAN Standards , ICEDSA 2011, 25 - 27 April 2011, Malaysia
    [22C]Yahya Hasanpour, Esmaeil Najafi Aghdam, Vahid Sabouhi, Morteza Mehdi sasan” BandPass Dynamic Element Matching for Low OSR High Resolution Delta Sigma ModulatorsICEDSA2011, 25-7April 2011, Malaysia
    [21P]، ثبت اختراع، سامانه پراکنش فراصوت با قابلیت کنترل خودکار فرکانس، سازمان ثبت اسناد و املاک جمهوری اسلامی ایران، شماره اظهارنامه   388120860، شماره ثبت اختراع 64300، تاریخ ثبت اختراع 30/1/89
     [20C]علیرضا شمسی، اسماعیل نجفی اقدم، طراحی بهینه فیلتریکدهی توان پایین برای مبدل آنالوگ به دیجیتال سیگمادلتا، ، كنفرانس   مهندسي برق ايران ، نجف آباد اصفهان، Feb. 2010
    [19C] Javad Abbaszadeh and E.Najafiaghdam, “Automatically Tuned High Power Ultrasonic Dispersion system Design and Implementation”, 18th-ICEE, Isfahan, IRAN, paper ID: 2998. 15-17 May 2010
    [18C]R. Kazemzadeh, J. Amini, E.Najafi Aghdam « Sigma-Delta Modulation Applied to a 3-Phase Shunt Active Power Filter Using Compensation with Instantaneous Power Theory” 978-1-4244-5586-7/10/$26.00 ©2010 IEEE , Page: 88-92
    [17C] Javad Abbaszadeh and E.Najafiaghdam,« Ultrasonic Dispersion System Design and Optimization Using Multiple Transducers »,Symp. on Piezoelectricity, Acoustic Waves and Device Applications, IEEE ,Page:96-100, Dec 17-20,2009
    [16J] Parisa MAHMOUDI, Habib BADRI GHAVIFEKR, Esmail NAJAFIAGHDAM, “A Combined Thermo-Electrostatic MEMS-Based Switch with Low Actuation Voltage” , Sensors & Transducers Journal (S&T e-Digest),     ISSN 1726-5479, Vol. 115, Issue 4, April 2010, pp. 61-70
    [15]Parisa Mahmoudi, Esmaeil Najafi Aghdam, “DELAY LOCKED LOOP DESIGNED IN 0.18μM CMOS WITH DECREASED JITTER NOISE”,  International Conference on Computer and Communication Engineering (ICCCE 2010), 11-13 May 2010, Kuala Lumpur, Malaysia, IEEE indexed
    [14C] Esmaeil Najafi Aghdam, Philippe Benabes, Javad abbasszadeh “Completely First Order and Tone Free Partitioned Data Weighted Averaging Technique Used in a Multibit Delta Sigma Modulator ", 19th European Conference on Circuit Theory and Design, Turkey, ECCTD 2009 Monday August 24, 2009, 978-1-4244-3896-9/09/$25.00 ©2009 IEEE , Pages: 53-56
    [13C] Hamed Behin, Gholamreza Tabatabaee, Esmaeil Najafi Aghdam, « Low Voltage, Low Power Two Stage CMOS Operational », 12th-ICSEE, Tabriz, IRAN. 15-17 May 2009, Transconductance Amplifier with Nulling Resistor Compensation
    [12C] H.Haddadian , Javad abbaszadeh, E.Najafiaghdam, « A Dual Band Concurrent Low Noise Amplifier for Bluetooth and WLAN Applications » , 12th-ICSEE, Tabriz, IRAN. 15-17 May 2009,
    [11C]  ج. عباس زاده، ق. طباطبایی، ا. نجفی اقدم، "  طراحی حلقه قفل فاز با لرزش کاهش يافته با استفاده از حلقه داخلی قفل فرکانس"
     17th-ICEE 2009, Tehran, IRAN. Paper ID 3397, Page : 237-242 , 15-17 May 2009
    [10C] ع. اصغری، ا. نجفی اقدم، ج. عباس زاده، " اندازه گيريي دقيق فاصله در طولهاي بزرگ بوسيله امواج فراصوت"
     First national Accostique Conference , May   2009, Shiraz, Iran
    [9C] M.Ashouri,S.Nikmehr, E. Najafi Aghdam, "Compact microstrip bandpass filter with a dual band response", 16th Iranian Conference on Electrical Eng. (ICEE2008),May 13-15, 2008, Tarbiat Modares University, Tehran,
    [8C] Esmaeil Najafi Aghdam, Philippe Benabes, " Reducing multibit DAC circuits errors by a simplified dynamic element matching algorithm used in delta-sigma converters",15th-ICEE,Tehran, IRAN. 15-17 May 2007, P: 70-75.
    [7C] Esmaeil Najafi Aghdam, Philippe Benabes, "A hardware efficient 3-bit second-order dynamic element matching circuit clocked at 300MHz", IEEE International Symposium on Circuits and Systems (ISCAS 2006). Kos, Grace, 21-24 May 2006,Page: 2977-2980.
    [6C] Esmaeil Najafi Aghdam, Philippe Benabes, "Higher order dynamic element matching by shortened tree-structure in Delta-Sigma modulators", ECCTD 2005 - European Conference on Circuit Theory and Design, Cork Ireland, 29 August - 2 September 2005, IEEE Digital O.I: 07803 9066 0=05=20:002005IEEE .
    [5C] S. Benabid, E. Najafi Aghdam, P. Benabes, S. Guessab, R. Kielbasa, "CMOS Design of a multibit bandpass continuous-time sigma delta modulator running at 1.2GHz," International Caracas Conference on Devices, Circuits & Systems, ICCDCS04, Nov. Pages:51-55IEEE Digital O.I. 10:1109=ICCDCS: 04:1393352
    [4C] E.N. Aghdam, P. Benabes, "A new mixed stable DEM algorithm or bandpass multibit delta sigma ADC", 10th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2003. Volume 3, 14-17 Dec. 2003 Page(s): 962 - 965, IEEE Digital O.I.: 10:1109=ICECS:2003:1301668
    [3C] E. Najafi Aghdam, P. Benabes, R.Kielbasa; "Stability and performance improvement in high order tree-structured dynamic element matching algorithms in delta-sigma modulators", Soumis à IEEE-Transaction on C&S [2C] A. Adibi, E. Najafi Aghdam, H. Bouzari, Optimal Design of GaAs-MESFET Low phase noise oscillators, ICEE- 94, , Tehran, 17- 20, May, 1994
    [1C] A. Adibi, E. Najafi Aghdam, H. Bouzari, “Flicker noise modeling in GaAs-MESFET and its application to phase noise”, Int.Conf. on telecom. Bali, Indonesia, 3-5, April, 1995




    Technical Reports: