Sahand University of Technology Home | Contact us | Site map | Useful Links | SUT  
Reactor and Catalysis Research Center
From fundamental science to innovation and commercialization
HomePeopleResearchCollaborationsSeminars/WorkshopsNews/EventsAwards/PublicationsDownloadsPhoto Gallery
Current Members
Mohammad Haghighi
Reza Alizadeh
Ali Akbar Babaluo
Amanollah Ebadi
Esmaeil Fatehifar
Naeimeh Jodeiri
Ali Baradar Khoshfetrat
Esmaeil Najafi Aghdam
Nader Rahemi
Sirous Shafiei
Jafar Soltan Mohammadzadeh
Akram Tavakoli
Mohammad Falaki
Past Members

 RCRC Workshops
Current Members

Dr. Esmaeil Najafi Aghdam
2009 to Now

Electrical Engineering Department, Sahand University of Technology, Sahand New Town, Tabriz, Iran.
P.O. Box: 51335/1996
Tel: +98-411-3459326
Fax: +98-411-3444322
Web add.:
    Academic (SUT):
    RCRC (SUT):        h

Dr. Esmaeil Najafi Aghdam


  • Ph.D. of Electronics Engineering, SUPELEC (école supérieure d’électricité), University of Paris-XI, France, 2002-2006.
  • M.Sc. of Electronics Engineering, Amir-Kabir University of Technology, Tehran, Iran 1991 and 1994.
  • B.Sc. of Electronics Engineering, University of Sistan and Baluchestan, Zahedan, Iran, 1990.
Professional Experience:
Research Interest:
  • 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 (CMOS, BJT, GaAs).
  • Electronic device modeling (frequency and noise parameters).
  • Ultrasonic systems and circuits design and applications.
  • Electronic measurement and data accusation systems.
Research Projects:
  • Current projects:
  • Previous projects:
Teaching Experience:
  • Linear integrated circuit design / Analog CMOS integrated circuits design, High performance A/D and D/A converters, RF electronics circuit design, fabrication and test, Theory & technology of solid state devices, CMOS integrated logic circuits design-II, Microsystems: architecture and associated systems design, Physics & technology of the basic micro- and nano-electronic devices.
  • Electrical circuits-I, Electronics circuits-I, II, III, Logic circuits, Physics of semiconductors, Electronics measurements, Communication circuits
Technical Reports:
  • 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, ICEE Proceedings , Pages: 70-75.
  • 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. IEEE Digital O.I.
  • 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.
  • 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.
  • 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.
  • 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 I, Control Number: 2126 (revision of 1462).
  • A. Adibi, E. Najafi Aghdam, H. Bouzari, Optimal Design of GaAs-MESFET Low phase noise oscillators, ICEE- 94, , Tehran, 17- 20, May, 1994.
  • 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.
  • M.Ashouri, S.Nikmehr, E. Najafi Aghdam, "Compact microstrip bandpass filter with a dual band response", 16th Iranian Conference on Electrical Engineering (ICEE2008), May 13 - 15, 2008, Pages: 944-949, Tarbiat Modares University, Tehran, Iran