Stefan Leitner Email & Phone Number

Leoben, Styria, Austria

Graz, Styria, Austria

'FORESAIL-2’ CubeSat Project:Tasks:System Design for next-generation space magnetometer Application Specific Integrated Circuit (ASIC) MFA-4 and generation of Funding Proposal:*) Intermediary between Hi-Level Design and ASIC design team @ Institute of Electronics, Graz University of Technology*) Tracking of requirements for ASIC building blocks of the MFA-4*) Design, Simulation, Evaluation and Documentation of digital control loop of the magnetic field measurement system used in the MFA-4 ASIC (using MATLAB/Simulink software)*) Generation of Funding Proposal sections (Gantt-Chart, definition and detailed description of work packages, description of the MFA-4 magnetic field measurement system) for 16th call of Austrian Space Applications Programme (ASAP) by the Austrian Research Promotion Agency (FFG)Outcome:*) Approved 'FORESAIL-2' Funding Proposal*) Approved system simulation framework for the digital control loop of the MFA-4 magnetic field measurement system*) Co-author of:Magnes W, Hillenmaier O, Auster U, Brown P, Kraft S, Seon J, Delva M, Valavanoglou A, Leitner S, Fischer D, Berghofer G, Narita Y, Plaschke F, Volwerk M, Wilfinger J, Strauch C, Ludwig J, Constantinescu D, Fornacon K-H, Gebauer K, Hercik D, Richter I, Eastwood J P, Luntama J P, Hilgers A, Heil M, Na G W, Lee C H,“SOSMAG: Space Weather Magnetometer aboard GEO-KOMPSAT-2A”,Space Science Reviews (Volume: 216, Issue: 8, Dec. 2020),*-*. doi:10.1007/s11214-020-00742-2, 2020

Graz, Styria, Austria

'ESA Turbulence Heating ObserveR (THOR)' Project:Tasks:System Design for next-generation space magnetometer ASIC MFA-4:*) Continuation of tasks from employment '04/2017 – 03/2018 Institute of Electronics, Graz University of Technology'*) Design, Realization, Evaluation and Documentation of the magnetic field measurement system laboratory model (LM), compatible to MFA-4 ASIC building blocks (using SPICE, MATLAB/Simulink, Altium Designer software)Outcome:*) MFA-4 ASIC development plan*) Digital space magnetometer LM compatible to MFA-4*) Co-author of:Scherzer M, Auer M, Valavanoglou A, Leitner S, Magnes W, “Circuit Design and Verification Method of Integrated Sensor-Front-End Elements for Spaceborne Fluxgate Magnetometers“, Conference on PhD Research in Microelectronics and Electronics (PRIME), Lausanne, Switzerland, 181-184. doi:10.1109/PRIME.2019.8787744, 2019

Graz, Styria, Austria

‘ESA Turbulence Heating ObserveR (THOR)’ Project:Tasks:System Design for next-generation space magnetometer ASIC MFA-4:*) Study and Hi-Level Simulation of magnetic field measurement system for MFA-4 ASIC-development (using MATLAB/Simulink software)*) Definition, Document Generation and Tracking of requirements for MFA-4 ASIC*) Study and Hi-Level Simulation of MFA-4 ASIC building blocks (using MATLAB/Simulink software)*) Intermediary between Hi-Level Design and ASIC design team @ Institute of Electronics*) Intermediary between Hi-Level Design and Radiation-Aware Microelectronics design team @ Institute of Electronics*) Generation and Coordination of Minutes-of-Meeting and corresponding Action-Items ensuring a smooth project flow*) Design and Realization of test circuits for evaluation of MFA-4 ASIC test chip functionality (using Spice, MATLAB/Simulink, Altium Designer software)Outcome:*) MFA-4 requirements document*) Test circuits for MFA-4 test chip functionality evaluation*) Successful initial project phase for continuing liaison of 'Institute of Electronics' and 'Space Research Institute'*) Co-author of:Auer M, Scherzer M, Valavanoglou A, Leitner S, Magnes W, “Prototype design of a magnetometer frontend-ASIC for spaceborne applications”, Austrochip Workshop on Microelectronics (Austrochip),10-14. doi:10.1109/Austrochip.2018.8520724, 2018

Graz, Styria, Austria

'ESA Service Oriented Space Magnetometer (SOSMAG)’ Project - Entire space project cycle:Tasks:Design, Realization, Evaluation, Qualification and Documentation of digital space magnetometer based on the space magnetometer ASIC MFA-3, Anisotropic Magnetoresistive (AMR) sensor elements and LEMI-020A fluxgate sensor:*) Simulation and Design of analog interfaces for various types of magnetic field sensors for usage with the MFA-3 ASIC (using SPICE, MATLAB, Altium Designer software)*) Simulation and Design of the AMR magnetic field sensor (using MATLAB, Solid Edge, Altium Designer software)*) Design of the on-ground support hardware (using Altium Designer software)*) Design and Realization of the on-ground telemetry software for control, data visualization and logging of the magnetic field measurement system (using LabVIEW software)*) Generation of system documentation and interface documents*) Parts Procurement according to EEE-INST-002 Level2*) Evaluation and Matching of electronics board and magnetic field sensors*) Tests done with magnetic field measurement system: Electromagnetic Compatibility, Thermo-Vacuum, Vibration, Shock, Thermal Calibration and Absolute CalibrationOutcome:*) Successful delivery of digital AMR magnetometer*) Spacecraft launched in 12/2018 – Payload fully functional and operational*) Lead author of:Leitner S, Valavanoglou A, Brown P, Hagen C, Magnes W, Whiteside B, Carr C, Delva M, Baumjohann W,“Design of the magnetoresistive magnetometer for ESA's SOSMAG project”,IEEE Transactions on Magnetics (Volume: 51, Issue: 1, Jan. 2015),1-4. doi:10.1109/TMAG.2014.2358270, 2015*) Co-author of:Auster U, Magnes W, Delva M, Valavanoglou A, Leitner S, Hillenmaier O, Strauch C, Brown P, Whiteside B, Bendyk M, Hilgers A, Kraft S, Luntama J, Seon J,“Space weather magnetometer set with automated AC spacecraft field correction for Geo-Kompsat-2A”,ESA Workshop on Aerospace EMC (Aerospace EMC),1-6. doi:10.1109/AeroEMC.2016.7504585, 2016

Graz, Styria, Austria

'NASA Magnetospheric MultiScale (MMS)’ Project:Tasks:Testing, Evaluation, Calibration, Qualification and Documentation of 4 Flight Models (FM) and 1 Flight Spare Model (FSM) digital fluxgate magnetometers each based on the space magnetometer ASIC MFA-3 (fluxgate sensors supplied by ‘University of California, Los Angeles’):*) Evaluation and Matching of electronics boards and magnetic field sensors*) Tests done with magnetic field measurement systems: Electromagnetic Compatibility, Thermo-Vacuum, Thermal Calibration and Absolute Calibration*) Design and Realization of software for laboratory equipment control and read-out (using LabVIEW software)*) Adaptation of on-ground telemetry software for control, data visualization and data logging of magnetic field measurement systems (using LabVIEW software)Outcome:*) Successful delivery of 4 FM and 1 FSM digital fluxgate magnetometers*) Spacecraft launched in 03/2014 – Payload fully functional and operational

Graz, Styria, Austria

Title:'Crosstones in a 3-axis 2-2 cascaded delta-sigma modulator’Field of Study:Modeling and Simulation of measurement artefacts in delta-sigma analog-to-digital converters and data cleansingTasks: *) Investigation of measurement artefacts in a 3-axis 2-2 cascaded delta-sigma analog-to-digital converter used in space magnetometer ASIC MFA-3*) Design and Realization of framework for adaptive filtering of measurement artefacts in delta-sigma analog-to-digital converters (using MATLAB/Simulink software)*) Development of automated filtering routine for measurement artefacts in delta-sigma analog-to-digital converters for magnetometer data of 'ESA Venus Express' space mission (using MATLAB/Simulink software)Information Theory Project in accordance with study curriculum in collaboration with the ‘Space Research Institute’ of the ‘Austrian Academy of Sciences’

Graz, Styria, Austria

Title:‘Centralized remote maintenance and control of audio systems with a common clock signal used in tunnel traffic monitoring’(Original Title: ‘Fernwartung und Verwaltung von Audio-Systemen mit gemeinsamem Takt als Anwendung im Tunnelmonitoring’)Field of Study:Enhancement of existing distributed digital-audio multi-channel surveillance system by implementing remote control of amplification settings and remote reset of audio channels*) Design of modulation/demodulation scheme, computer interface and command structure for usage with existing synchronous master clock distribution via optical fiber*) Design and Realization of digitally controlled microphone pre-amp (using EAGLE EDA software)*) Design and Realization of modulation/demodulation hardware (using EAGLE EDA software)*) Design and Realization of CMD-line remote control software in C++ (using MS Visual Studio software)In collaboration with ‘Graz University of Technology / Institute for Broadband Communication’ and ‘Joanneum Research Forschungsgesellschaft mbH’

Diplom-Ingenieur (Dipl.-Ing.) - Equivalent To B.Sc. Plus M.Sc. - Isced2011 Level 7, Electrical Engineering And Information Technology, Graduated With Distinction

Core subjects: Electrical Engineering Supplementary subjects: Information Technology and Wave Propagation Free electives: Audio.

Part-Time Educational Leave

Taking lectures, exercises and exams in: *) Design of Space Qualified Hardware *) Signal Processors *) Programming in MATLAB *) Concepts.

Matura And Diploma Examination - Isced2011 Level 5, International Business/Trade/Commerce

Core subjects: In-depth General Education, Business Administration and Accounting Supplementary subjects: Marketing and International.