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Yvan VO KHAC

Sophia Antipolis

En résumé

Electronic Engineer specialized in Radio Frequency (RF)

With over 10 years of experience in RF design across leading companies such as Qualcomm, TDK and Thales, and holding a Master's degree in Microwave/RF Electronics from ENSEEIHT, Ive had the opportunity to work on a wide range of technologies including SAW/BAW filters, antennas, EMC, amplifiers and mixers.

Curious, persevering, optimistic, and open-minded, I combine strong technical expertise with interpersonal skills to contribute effectively to the success of every project Im involved in.

Passionate about innovation and continuous learning, Im always open to new challenges and collaborative opportunities.

If my profile aligns with your needs or interests, feel free to reach out Id be happy to connect!

Entreprises

  • Qualcomm France Rffe SARL - Staff RF Design Engineer

    Sophia Antipolis 2021 - maintenant 📡 RF Filter Design Engineer – SAW/BAW Technologies

    Design and development of BAW and SAW filters (Bulk and Surface Acoustic Wave) for wireless communication systems including Wi-Fi (2.4GHz, 5GHz, 6GHz, UWB) and GNSS (L1, L5).

    📌 Key Responsibilities:

    🔹 Led end-to-end development of SAW/BAW filters — from initial specifications to mass production.

    🔹 Designed chip packaging to improve encapsulation and environmental control.

    🔹 Supported manufacturing teams in process development and optimization.

    🔹 Collaborated with test engineering teams to define test programs, troubleshoot issues, and perform statistical analysis comparing measurements with simulations.

    🔹 Deep understanding of fabrication process, technology features, RF parameters (S-param, VSWR, Smith Chart, Amplitude ripple, Noise figure,...), coupling, Q-factor, linearity, power durability, thermal behavior, etc.

    🔹 Cross-site reporting and collaboration with global teams (France, Munich, San Diego, Singapore, Seoul, Orlando, Wuxi) to share best practices and enhance design, modeling, and simulation methodologies.

    🔹 Coordinated with project managers and marketing teams to align product specifications and development timelines.

    🔹 Mentored junior engineers.

    🔹 Participated in feasibility studies for new product opportunities.

    🔹 Developed internal tools to streamline design workflows and improve layout efficiency.

    🔹 Compiled and structured internal documentation to facilitate knowledge sharing and onboarding.

  • Qualcomm - Senior RF Design Engineer

    Sophia Antipolis 2018 - 2021

  • Qualcomm - RF Design Engineer

    Sophia Antipolis 2017 - 2018

  • TDK - RF Design Engineer

    Sophia Antipolis 2014 - 2017 📡 RF Filter Design Engineer – SAW/BAW Technologies

    Same job and design center as the one with Qualcomm (see above)

  • Thales - Antenna/EMC Engineer - Internship

    Sophia Antipolis 2013 - 2013 📡 Internship Engineer – EMC on Sonar Antennas
    Thales Underwater Systems – Sophia Antipolis

    🎯 Main Objective:
    Study of electromagnetic compatibility (EMC) on sonar antennas using CST Studio Suite.

    🔹 Reproduced EMC and marine environment test conditions in CST to compare simulation results with real measurements from the Environmental Tests and Valuations Laboratory.

    🔹 Modified antenna structures in CST to define design rules and improve performance.

    🎯 Secondary Objective:
    Study of EMC and shielding effectiveness on a half-shielded box.

  • LAAS-CNRS , Toulouse - RF Design Engineer

    Toulouse 2013 - 2013 📡 Radiolocation Antenna Design
    Academic Project – Collaboration with LAAS-CNRS

    🎯 Mission:
    Design, implementation, and measurement of a radiolocation antenna and its feed circuit.

    🔹 Collaborated with 4 students and CNRS researchers to assess project feasibility and define system requirements.

    🔹 Established a project management plan (Work Breakdown Structure, Gantt Chart), cost estimation, and risk analysis.

    🔹 Designed a compact feed circuit using ADS, meeting constraints on matching, losses, phase, and isolation.

    🔹 Designed and optimized antenna performance (gain, matching, directivity, polarization) and dimensions using HFSS.

    🔹 Integrated antenna and feed circuit, performed full-system simulations, and conducted measurements post-implementation.

  • Laboratoire LAPLACE - RF Test Engineer - Intership

    2012 - 2012 🖥️ Automation & Data Acquisition – Vector Network Analyzer
    Intership

    🎯 Mission:
    Automate measurements and data acquisition from a Vector Network Analyzer (VNA) using LabVIEW.

    🔹 Connected the VNA to a computer running LabVIEW for remote control and data handling.

    🔹 Developed graphical programs in LabVIEW to automate measurements and acquire data from the analyzer.

    🔹 Created additional programs for auxiliary tasks to support the main workflow.

    🔹 Built a central program integrating all modules to achieve full automation and meet project objectives.

  • ENSEEIHT - RF Design Engineer

    2012 - 2012 📡 RF Amplifier Design – Payload Project
    Academic Project

    🎯 Mission:
    Design of a medium-level amplifier for a payload system.

    🔹 Worked in a team of two to analyze and define amplifier requirements: gain, stability, matching, and power consumption.

    🔹 Designed the amplifier using ADS (Advanced Design System), ensuring compliance with all technical constraints.

  • ENSEEIHT - RF Design Engineer

    2012 - 2012 📡 RF Mixer Design with Harmonics Suppression
    Academic Project

    🎯 Mission:
    Design of emission and reception mixers with harmonics suppression, as part of a broader microwave upconversion system for antenna transmission.

    🔹 Collaborated in a team of three to understand the full system architecture and define the scope of our contribution.

    🔹 Designed mixers using ADS (Advanced Design System), ensuring compliance with performance constraints.

    🔹 Conducted post-implementation measurements to evaluate mixer performance and validate simulation results.

  • Adveez - RF Design Engineer

    TOULOUSE 2012 - 2012 📡 RFID Antenna Characterization
    Academic Project – Collaboration with Adveez

    🎯 Mission:
    Characterize and improve RFID antennas operating at various frequencies.

    🔹 Collaborated with Adveez, a startup specialized in secure identification of people and objects, to understand project goals and system requirements.

    🔹 Developed a project management plan including a Gantt chart for scheduling and task distribution.

    🔹 Modified the layout of antenna prototypes (badge and station) to meet performance targets.

    🔹 Conducted simulations using ADS and measured key parameters such as matching and radiation pattern at 434 MHz.

    🔹 Enhanced system performance at other frequencies by selecting appropriate components and reducing antenna size.

  • Club Langues et Civilisations - Guide for language stays

    Londres 2011 - 2011 🧑‍🏫 Guide – Language Stay in England for Teenagers

    🎯 Mission:
    Supervise and accompany two language stays in England for teenagers aged 10 to 15 years, organized by CLC.

    🔹 Worked in a team of 4–5 guides responsible for 56 teenagers.

    🔹 Verified identity documents during initial meetings with participants and their parents.

    🔹 Accompanied the group from France to England, ensuring safe travel and smooth logistics.

    🔹 Ensured the safety and well-being of the group throughout the stay.

    🔹 Followed a structured program provided by CLC to guarantee a successful and enriching experience.

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