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  • Integrated Systems and Circuits Design

    Master of Science in Engineering
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Students Work

Students contribute to ongoing research activities in the field of integrated systems and circuits in form of:

Project based learning is practiced in the bachelor degree program Systems Engineering. For the duration of 2 semesters, project-teams of typically 3 - 5 students work on a technical problem in an environment like in 'real life'. The teams have to organize their work, find technical solutions, evaluate alternatives, justify costs, and present (sell) results.

Recent projects carried out in the field of integrated systems and circuits:

  • GPS-TRACKER - GPS-GPRS Tracking Device
  • USB-AUDIO - USB Audioplayer with FPGA
  • POSITION - Testbed for Magnetic Field Sensors
  • I-CAT - Phase-Locked Loop (PLL) for Embedded Clock Generation
  • DAC - Design of an Audio Digital to Analog Converter
  • POSITIVE - Design of a Temperature Measurement IC
  • FIR - Design and VLSI Implementation of Bit-Serial FIR Filters

Internships in the field of integrated systems and circuits are frequently available to students and contribute to active research projects.

 

Recent internships:

2011/12

Andre Lucas Schlichting, Federal Institute of Education, Science and Technology of Santa Catarina, Brazil – Different VHDL Implementations of Audio Noise Cancellation FIR Filter

2011
Ivon Eduardo Esser Rosa, Federal Institute of Education, Science and Technology of Santa Catarina, Brazil – Design of an Advanced Audio Equalizer for MP3 Applications

2010/11
Kamila Santos Hinckel, Federal Institute of Education, Science and Technology of Santa Catarina, Brazil – Integrated Optical Sensor

Ricardo Vieira Dos Santos, Federal Institute of Education, Science and Technology of Santa Catarina, Brazil – Design of a Full Custom DRAM-Based Register File for a Bit-Stream Filter Processor

Filipe Goncalves Teixeira, Federal Institute of Education, Science and Technology of Santa Catarina, Brazil – Digital Filter Design Lab

2010
Graciele Batistell, Federal Institute of Education, Science and Technology of Santa Catarina, Brazil – Integrated Optical Sensor

Lucas Groposo Silveira, Federal Institute of Education, Science and Technology of Santa Catarina, Brazil – FPGA Board Design

2008/09
Xiao Wang, Fudan University, China - Design of Wideband LNAs with Noise and Distortion Cancelation

2008
Yingwei Wang, Beijing University of Posts and Telecommunications, China – Digital Full Custom Design

2006/07
Aline Lima, Universidade Estadual Paulista (Unesp) Campus Bauru, Brazil – Evaluation of Digital Filter Testchip

The master thesis is done in the final year of the 4-semester master degree program and is carried out in industry or at Carinthia University of Applied Sciences.

All thesis topics are within the scope of active research projects and usually carried out in close cooperation with industry.

2015

  • Aruna Medarametla - A High Speed Low Power OPAMP in 65nm CMOS Technology for Wireless Communication

2014

  • Mustafa Alkhazraji - Digital Signal Processing for Color Sensing Integrated System

2013

  • Graciele Batistell - Integrated Color Sensor in Standard CMOS Technology
  • Dmytro Cherniak - Design of a CMOS NFC Transponder Frontend
  • Thomas Theisen - Variable Gain Control Loop for a CMOS RF Low Noise Amplifier

2010

  • Shanmukha Reddy Mandha - CORDIC Based Equalizer Coefficients Calculation Unit
  • Abdul Wali Mohammed - Design of a 65nm CMOS High Speed Deserializer
  • Arun Kanth Reddy Ragiri - Design of Register File for a Bit-Stream Filter Processor
  • Xinbo Xiang - Design of Linear, Variable Integrated Resistors in 65nm CMOS Technology

2009

  • Suchendranath Popuri - USB 3.0- Investigation of Differences & New Features

2008

  • Wolfgang Aichholzer - Automatic Gain Control Circuits for Variable Gain Low-Noise RF Amplifier
  • Stephen T. Burgess - Recursive All-Pass Filters for Efficient Interpolation of Discrete Time Audio Signals
  • Saliha Dali - Design of a Reconfigurable Gain Low Noise Amplifier for Multistandard Receivers

2015

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2014

  • Markus Burian - Optimization of a MEMS-Based Oscillator
  • Ander Elorrieta - Development of a new Heating Concept for Automotive with Conductive Polymer Structures
  • Mihai Enache - Switched capacitor DC-DC converter with high current capability in a 40nm technology
  • Juan Manuel González - Automatic Synthesis of OPAMPs Oriented to Sigma-Delta ADCs
  • Thomas Hribar - Linearity and Noise Investigation of pipelined ADCs
  • Karlheinz Helmut Kogler - Design of a Fully Integrated Switched Capacitor DC-DC Converter
  • Daniel Johann Mayer - Smart Power High-Side Driver Design for a Power Line Protection Circuit
  • Daniel Neumaier - Design of a Low Power Low Area Switched Capacitor Sub-Bandgap Voltage Reference
  • Yevhen Nikitin - Modeling and Emulation of Dynamic Load Conditions for Stress Testing of Smart Power Devices
  • Harald Sabutsch - Development of Concept and Hardware for the Shock Recovery Test of a MEMS-Microphone

2013

  • Ayla Livia Andriesei - Pre-Silicon Power Analysis and Power Optimisation of Fully Configurable Digital Filters
  • Florida Dervishi - Sigma-Delta Architectures Using Noise Shaping Embedded SAR ADC
  • Carlos Humberto García Rojas - Implementation of Analog Regression Test Methodology in the Mixed-Signal Design Flow

2012

  • Liping Fan - Jitter Separation of High Speed Serial Links
  • Guruvaiah Golla - Semi-Automated IR-Drop Analysis of CMOS Integrated Analog Frontends
  • Alexander Plautz - Optimization of Digital Test Concept for Integrated Sensors
  • Bernhard Sorger - High Efficient Charge Pump Design in SMART Power Technologies
  • Chafik Souimdi  - MOS Matching Characterization and Impact in Automotive Safety Applications
  • Laszlo Szilagyi - Design of a Driving Stage for a DMOS Power Transistor in a 0.13μm BCD Technology 

2011

  • Florin Bulhac - New Approaches for Built-in-Self-Tests in Integrated Sensor Systems
  • Sairam Donepudi - Theoretical and Practical Analysis of Clock Sources and Jitter Requirements for Robustness in Communication Protocol
  • Matvey Geldin - Ambient Light Sensors: Analysis of Current State of the Art Solutions and Development of a Novel Competitive Implementation
  • Ravi Teja Gongalla Jangam - Parallel ADC Test Using On-chip Resources of a Microcontroller
  • Shravan Kumar Kada - Temperature and Process Compensated Clock Oscillator in 0.13µm CMOS IC Technology
  • David Kubálek - Model Hardware Correlation for Parasitic Extraction Tools in 130nm Process
  • Liana Musat - Development of a Compact Thermal Behavioral Model for Power MOSFETs Applying Model Order Reduction
  • Ioan-Alexandru Trancã - Concept Development of a Power Management Unit for an Automotive Body Power Application Controller Designed in a High Voltage 0.13 µm CMOS Technology

2010

  • Muhammad Alhammami - Concept Modeling and Implementation Considerations of a Capacitive Sensor System
  • Jin Ma - Highly Efficient Switched-Mode Power Amplifier
  • Ievgeniia Maksymova - Design and Implementation of Reconfigurable Decimation Filters with FPGA
  • Roland Sleik - Investigation of Integrated Protection Functions in Smart Power Switches based on the Development of an Advanced Control and Measurement Interface
  • Benjamin Steinwender - In-situ Characterization of Smart Power Switches During Cycle Stress Testing
  • Niranjan Reddy Suravarapu - Family and Derivate Adaptive Universal Specification, Verification Stimuli and Test Pattern Database
  • Andreas Tributsch -  Digital Protection Method for Output Drivers

2009

  • Bhanu Prakash Boddu - Loadboard Instrument for Dynamic Signal Generation and Capture on Digital Test Platforms
  • Gebhart Dippold - Development of a System Model and of Algorithms for a Digital Gate Driver for Smart Power Switches
  • Roland Felderer - A Mismatch Shaping Logic for a Giga-Rate Multi-Bit Continuous-Time DS ADC in 65nm CMOS
  • Claudia Kabusch - Modeling ESD Performance of Smart Power Devices
  • Michael Kollmitzer - Extraction of Layout Structures for Reverse Current Simulation
  • Roland Lengfeldner - Mixed-Signal Verification Methodology of a Power Management Unit for a Mobile Phone System-on-Chip in 65 nm
  • Christoph Riedl - Architectural Investigation of Gate-Driver Circuits for Low Side Power Switches in sub-micron Technologies
  • Michael Schwaiger - Analysis and Optimization of Over Temperature Protection Measures and Concepts in a Smart Power IC
  • Ziming Wang - Switched-Mode Power Amplifier Design

2008

  • Thomas Hebein - Analysis and Modeling of a Serial High Speed Multimedia Interface
  • Stefan Kampfer - Defect Oriented Testing
  • Michael Peter Kropfitsch - Low Power, High Performance Sigma Delta Modulators Oriented to Capacitive Sensor Interfaces
  • Sabine Salzmann - Predictive SAR ADC - Modelling and Design of a 13 Bit ADC with Predictive Settling Value to Shorten Cycles
Figure 1:
camshaft wheel with differential Sensor
Figure 2:
Sensor Signal with wanted output after DSP

Postgraduate studies (PhD) of graduates are presently done at Austrian and European partner universities. In course of these studies, research projects are carried out at Carinthia University of Applied Sciences.
HALL-SENSOR-IC (2003 - 2006)
Development of a Signal Processing Unit for the Position Detection of Rotating Objects Using Magnetic Field Sensors

In the automotive area magnetic field sensors are commonly applied for the position detection of rotating objects. One field of application of such a detection system is the angle detection of crankshaft and camshaft. In this Area the demands are correct phase and air gap independent signal output. Of course the sensor chip should also be very robust to noise and work without errors.

Figure 1 shows the application of a camshaft sensor: the differential sensor chip (there are two identically hall elements integrated into the chip) measures the magnetic field of the bar magnet behind the chip.

The asymmetry of the magnetic field in between bar magnet and cogwheel, which depends on the actual cogwheel position, generates different hall voltages in the two sensor elements: the voltage is high if a cog is ahead the sensor and vice versa.

The aim of this PhD Thesis is to develop a digital signal processor (DSP) unit that detects the angle of the cog wheel from the differential sensor signal shown in figure 2. To perform minimal phase error and air gap independency nowadays sensors use different hysteresis concepts. The new sensor architecture will approach the problem from an other point of view with more complex and advanced algorithms.

 

Publications

  • S. Hainz, E. Ofner, D. Hammerschmidt, T. Werth, H. Grünbacher: "Position Detection in Automotive Application by Adaptive Inter Symbol Interference Removal", in Proc. IEEE Sensors 2006, Daegu, Korea.
  • S. Hainz, D. Hammerschmidt, E. Ofner, T. Werth: "Improving Phase Accuracy by Removing Systematic Phase Error Introduced by Inter Symbol Interference", in Proc. Eurosensor 2006, Göteborg, Sweden.
  • S. Hainz, E. Ofner, D. Hammerschmidt, D. Tatschl and T. Werth: "Data Predictive Decisoin Feedback Equalizer for Position Detection in Automotive applications", in Proc. ICIT 2004, Hammamet, Tunisia.
  • S. Hainz, E. Ofner, D. Hammerschmidt, D. Tatschl and T. Werth: "Position Detection by Inter Symbol Interference Removal for Engine Applications", in Proc. Austrochip 2004, Vienna.

 

Project Partner

This project was done in cooperation with Infineon Technologies Villach, Department for Advanced Sensors.

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