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Ata Vafi

Ata Vafi

Teaching/Research Assistant

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location of Ata VafiDavis, California, United States

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  • Timeline

  • About me

    Teaching/Research Assistant

  • Education

    • University of California, Davis

      2018 - 2025
      Doctor of Philosophy - PhD Electrical and Electronics Engineering 3.84

    • University at Buffalo

      2017 - 2018
      Master of Science (M.Sc.) Analog Mixed-Signal IC Design 3.7/4

      Design of a 2.4 GHz ISM Band Direct Conversion Transceiver in 65nm CMOS Technology.

    • K. N. Toosi University of Technology

      2011 - 2014
      Master of Science (M.Sc.) RF/Analog Mixed-Signal Circuit Design 17.22/20

      Thesis Title: A 2.4-GHz ISM Band Delta-Sigma Fractional-N Frequency Synthesizer in 0.18µm CMOS Technology.

    • University of Tabriz

      2006 - 2011
      Bachelor of Science (B.Sc.) Electrical Engineering - Electronics

  • Experience

    • Khaje Nasir Toosi (K. N. Toosi) University of Technology

      Oct 2012 - Jun 2013
      Teaching/Research Assistant

      Research:• Designed and simulated a 2.4-GHz ISM Band Delta-Sigma Fractional-N Frequency Synthesizer in 0.18µm CMOS Technology.• Designed and simulated a fully differential Telescopic Cascode, Folded-Cascode and Two-Stage OP-AMPs with continuous-time CMFBs in 0.18µm CMOS technology.• Designed and simulated a low noise, high gain instrumentation amplifier for biomedical applications in 90nm CMOS.• Designed and simulated a 10-bit pipelined and flash ADCs in 0.18µm CMOS technology.• Designed and simulated a low power 10-bit current-steering DAC in 0.18µm CMOS technology.• Designed and simulated a 3.1-10.6 GHz UWB low noise amplifier in 0.18µm CMOS employing current reuse and noise cancellation techniques.• Designed and simulated a ISM-Band single-balanced mixer based on microstrip rat-race coupler considered for RF front-end receivers.• Designed and simulated a high-efficiency inverse Class-E power amplifier with Wilkinson power divider/combiner for wireless communications.• Modeled a typical LNA circuit proposed for a WiMAX multiband application (IEEE.802.16e) in VHDL-AMS.• Simulated a transmitter based on ARQ protocol.• Simulated an IEEE 754 single-precision floating point ALU in VHDL.• Implemented a 32-Bit RISC microprocessor on Xilinx Spartan-3 FPGA.Teaching Assistant:• Analog Electronic Circuits II• RF Communication Circuits• Fundamentals of Electric Circuits Show less

    • University at Buffalo

      Aug 2017 - May 2018
      Teaching Assistant

      Teaching Assistant:• EE312: Basic Electronic Instruments Lab• EE352: Introduction Electronics Lab• EE353: Electronic Circuits Lab

    • University of California, Davis

      Sept 2018 - Mar 2025
      Teaching Assistant

      Teaching Assistant:• ENG 17: Circuit I• EEC 100: Circuit II• EEC 18: Digital Systems I• EEC 157B: Control Systems• EEC 118: Digital Integrated Circuits• ENG 100: Electronic Circuits and Systems

    • Qualcomm

      Jun 2020 - Sept 2020
      RFIC Design Intern

      • Design of PVT-Robust and highly linear IFVGA for mm-Wave NR carrier aggregation with improved KPIs.

    • Skyworks Solutions, Inc.

      Jun 2024 - Dec 2024
      BAW Filter Design Co-Op

  • Licenses & Certifications