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Seyed Arash Ahmadi

Associate Professor

Update: 2026-05-21

Seyed Arash Ahmadi

Electrical Engineering / Telecommunication Engineering

Journal Paper

  1. "High-efficiency power amplifier with two octaves of bandwidth and resistive harmonic termination: Transition from Class-E to continuous Class-F"
    Zahra Habibi, Hossein Shamsi, Seyed Arash Ahmadi
    AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS, Vol. 200, 2025
  2. "High power, broadband, coaxial to microstrip bi-directional coupler in the VHF/UHF band"
    Tohid Naeimi, Seyed Arash Ahmadi
    IET Science Measurement and Technology, Vol. 1, pp.1-10, 2024
  3. "Compact beamforming network for producing multiple orthogonal beams in a limited field of view phased array antenna"
    Elham Sharifi moghaddam, Seyed Arash Ahmadi
    International Journal of Microwave and Wireless Technologies, pp.1-14, 2023
  4. ""
    الهام شريفي مقدم, Seyed Arash Ahmadi, محمد فضائلي فر
    Vol. 3, pp.1-12, 2023
  5. "Design of a 3-way wide-band in-phase power combiner for UHF applications"
    Seyed Arash Ahmadi
    INTERNATIONAL JOURNAL OF ELECTRONICS, pp.1-17, 2022
  6. "Design of a Wideband Power Amplifier by the Real Frequency Technique"
    Hamid reza Shafaghati, Seyed Arash Ahmadi
    Vol. 9, pp.25-32, 2022
  7. "Single section, octave bandwidth, high-power combiner in the UHF band"
    TOHID NAEIMI, Seyed Arash Ahmadi
    INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING, Vol. 31, pp.1-10, 2021
  8. "Synthesis technique of a low-profile multiple sub-beam phased array antenna for high-throughput satellite applications"
    Elham Sharifi moghaddam, Seyed Arash Ahmadi
    International Journal of Microwave and Wireless Technologies, Vol. 13, pp.1-18, 2021
  9. "Optimizing number of spots and cluster size of a high-throughput communication satellite payload"
    Elham Sharifi moghaddam, Seyed Arash Ahmadi
    INTERNATIONAL JOURNAL OF SATELLITE COMMUNICATIONS AND NETWORKING, Vol. 39, pp.1-25, 2021
  10. "Ultra-broadband microstrip directional couplers"
    TOHID NAEIMI, Seyed Arash Ahmadi
    IET Science Measurement and Technology, Vol. 14, pp.803-808, 2020
  11. "180° hybrid using a novel planar balun on suspended substrate for beam forming network applications"
    Elham Sharifi moghaddam, Seyed Arash Ahmadi
    INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING, Vol. 30, pp.1-18, 2020
  12. "High Power Multi-Octave Laterally Difused Metal Oxide Semiconductor Power Amplifier with Resistive Harmonic Termination"
    Seyed Arash Ahmadi
    IET Circuits Devices and Systems, Vol. 13, pp.1125-1133, 2019
  13. "Design and fabrication of a dual-polarized, dual-band reflectarray using optimal phase distribution"
    Aryanian Iman, Seyed Arash Ahmadi, Mehdi Rabbani, Sina Hassibi, Majid Karimipour
    Turkish Journal of Electrical Engineering and Computer Sciences, Vol. 27, pp.878-888, 2019
  14. "High Power Combiners with Terminating Resistors for DTV Applications in the Frequency Range of 470 to 860 MHz"
    Melika Momenzadeh, Seyed Arash Ahmadi
    IET Microwaves Antennas and Propagation, Vol. 1, pp.1-10, 2019
  15. "Design of a 10 W high-efficiency balanced power amplifier using a combination of load?pull and load?line methods for ISM band"
    Haniye Mehraban, Amir Ardalan Farazmand, Seyed Arash Ahmadi
    INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING, pp.1-13, 2019
  16. "A Compact UWB Band Pass Filter Using Simple Defected Ground Structures"
    Ali Mokhtarani, Seyed Arash Ahmadi
    Progress in Electromagnetics Research Letters, Vol. 79, pp.17-24, 2018
  17. ""
    Hamid Gharib, Seyed Arash Ahmadi
    Vol. 6, pp.9-16, 2018
  18. "New low-loss tunable microstrip band-pass filter with two transmission zeros"
    Ali Ebrahimi, Hossein Shamsi, Seyed Arash Ahmadi, Ebrahimi Emad
    ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol. 1, pp.1-8, 2018
  19. "On the power handling of a high power combiner for industrial scientific and medical applications"
    Seyed Arash Ahmadi
    Turkish Journal of Electrical Engineering and Computer Sciences, Vol. 26, pp.2117-2129, 2018
  20. "Broadband High Power Stripline Compact Multisection Coupled-line Coupler for VHF and UHF Applications"
    Mehdi Taherkhani, Seyed Arash Ahmadi
    Turkish Journal of Electrical Engineering and Computer Sciences, Vol. 25, pp.4050-4062, 2017
  21. "Design and analysis of a broadband 4-way high power combiner in the VHF/ UHF band"
    Tohid Naeimi, Seyed Arash Ahmadi
    IET Science Measurement and Technology, Vol. 2, pp.1-7, 2017
  22. ""
    Ali Nooraei yeganeh, Seyed Arash Ahmadi
    Vol. 5, pp.67-78, 2017
  23. ""
    , Hossein Shamsi, Seyed Arash Ahmadi
    Vol. 14, pp.57-64, 2017

Conference Paper

  1. "26th Iranian Conference on Electrical Engineering (ICEE2018)"
    Melika Momenzadeh, Seyed Arash Ahmadi
    A compact size multi octave bandwidth power amplifier using LDMOS transistors, 2018
  2. "The 25th Iranian conference on Electrical Engineering(ICEE2017)"
    Tohid Naeimi, Seyed Arash Ahmadi
    A 100 Watts L-Band power amplifier, 2017
  3. "24th Iranian Conference on Electrical Engineering (ICEE)"
    TOHID NAEIMI, Seyed Arash Ahmadi
    Design and implimentation of broadband 60 Watts power amplifier, 2016
  4. "IEEE International Symposium on Antennas And Propagation and North American Radio Science Meeting"
    Shirin Ramezanzadehyazdi, Somayyeh Chamaani, Seyed Arash Ahmadi
    Mutual Coupling Reduction in Microstrip Phased Array Using Stacked-Patch Reduced Surface Wave Antanna, 2015
  5. "23rd Iranian Conference on Electrical Engineering"
    Mehdi Taherkhani, Seyed Arash Ahmadi
    طراحي و ساخت آنتن آرايه اي مايكرواستريپ معكوس شانه اي در باند x, 2015
  6. "7th International Symposium on Telecommunications (IST 2014)"
    Amirhossein Nateghi, AMIR AFSHANI AGHAJARI, Seyed Arash Ahmadi
    Designing the microwave Protection System for a Highpower Linear Accelerator, 2014
  7. "The Second Iranian on Engineering Electromagnetics (ICEEM 2014)"
    Ali Ebrahimi, Seyed Arash Ahmadi, Hossein Shamsi
    Low loss tunable microstrip filter with two transmission zeros, 2014
  8. "The Second National Iranian Conference on Engineering Electromagnetics"
    Hadi Ghobadi, Seyed Abdollah Mirtaheri, Seyed Arash Ahmadi
    طراحي، شبيه سازي و ساخت فيلتر ميان گذر كوپلاژ روزنه سلفي در باند x, 2014
  9. "2013 IEEE International RF and Microwave Conference (RFM2013)"
    Siavash Moghadami, Farzaneh Jalalibidgoli, Seyed Arash Ahmadi
    analysis and Design of LC cross coupled VCORegarding Differnt Phase Noise Approaches, 2013
  10. "20th Telecommunications Forum Telfor (TELFOR)"
    FARIBA GHASEMI, Seyed Arash Ahmadi
    practical calculation of loop inductance in optimized UHF TV channel filter, 2012