Filtern
Dokumenttyp
- Masterarbeit (2) (entfernen)
Fachbereiche und Institute
Sprache
- Englisch (2)
Volltext vorhanden
- ja (2)
The work presented in this thesis deals with the distance measurement aspect of a 3D Polarization ToF camera for automotive applications that uses a Time-to-Digital Converter (TDC) to measure the time interval between the emission of light from a source and its reception. Based on the measurement of the time interval, distance can be calculated by applying the equation of motion. In application, achieving an exact distance measurement is quite strenuous because the operating conditions of the design are susceptible to change due to environmental factors. Therefore, to achieve accuracy in distance measurement, the time interval between the emission and reception of light must be measured precisely. For this purpose, a delay asymmetry compensation logic is developed. This thesis elaborates the addition of debugging features, redesign of some components, digital calibration approach and the entire testbench environment of the delay asymmetry compensation logic. It also sheds light on the implementation of the designed logic for its successful realisation in real hardware. Lastly, it concludes by narrating future prospects and further scopes of development.
This thesis discusses the development of test environments using Xilinx Zynq System on Chip (SoC) for measuring leakage currents and radiation qualification of Static Random Access Memory (SRAM) based Field Programmable Gate Arrays (FPGAs) at European Organisation for Nuclear Research (CERN). The effects of radiation on electronic components are explained, followed by an introduction to the FPGAs used.
The GateMate FPGAs leakage current is measured in its application area with respect
to temperature and core voltages. A comparable testing environment is used from the
tester to the tested device, as it will later be used at CERN. The GateMate is being
prepared in this setup for the finalization of radiation qualification at CERN, to be
transferred later. For this purpose, the basic tests are explained and the outstanding
tests are then carried out. The Lattice iCE40 UltraLite FPGA is used in an initial
application test to determine its suitability for further radiation qualification tests at CERN. The analysis and presentation of the test results are followed by a summary and outlook.