Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 72 for “"Printed Circuit Board (PCB)"”.
-
Application of Multi-Objective Genetic Optimization in PCB Component Placement
Designing a printed circuit board (PCB) is a complex process that involves creating a schematic, placing components, ensuring that every component is routable, and performing simulations to predict the behavior of the PCB before it is manufactured. With the rise of technological innovations, the …
-
The effect of on-chip ESD protection on reliable high-speed I/O link equalization power consumption
… and implementation options of the ESD protection circuit designer. In this work, the ESD protection on high-speed serial I/O link performance is investigated. Simulations are used to determine the effect of the parasitic ESD capacitance on the equalization required to maintain a specific bit error …
-
Cleaning process development and optimization in the surface mount assembly line of power modules
… insufficiently remove solder flux residue from printed circuit board (PCB) assemblies after the process of reflow soldering. This thesis details the development of an optimized cleaning process that effectively removes solder flux residue from PCB assemblies. The first stage of this study …
-
Signal and power integrity analysis of bidirectional DC-DC converters for hybrid energy storage systems with EMI/EMC optimization
… principles and practices essential for the printed circuit board (PCB) layout of switching regulators with fast dv/dt and di/dt edge rates to achieve electromagnetic interference (EMI) compliance standards. Furthermore, it focuses on comparative analysis and investigation of near-field noise …
-
Extensible Real-Time Sensor and Test Interface for a System-on-Chip
This thesis describes the development of a printed circuit board (PCB) that enables connecting external sensors and a host computer to a custom Application-Specific Integrated Circuit (ASIC). The ASIC, previously developed by the Low-Energy Autonomy and Navigation research group, is designed for …
-
Design and validation of a digital core for wireless communication with RFID-enabled devices
… the design was transferred onto a CPLD. A test circuit was developed on a bread board with the CPLD and a commercially available RFID reader was used to successfully communicate with the designed digital core. Then a printed circuit board (PCB) was designed to validate the above design with all …
-
Development of a Low-Cost PCB-Based High-Frequency AC Susceptometer for Magnetic Materials Characterization
… materials up to 200 MHz. Leveraging a low-cost printed circuit board (PCB) design and commercially available high-frequency electronics, femtoMag addresses limitations in conventional susceptometry by enabling measurements of magnetic powders and thin films without requiring specific geometries …
-
Package and PCB solutions for high-speed data link applications
… (PTH) via region at the package and Printed Circuit Board (PCB) interface is also analyzed in a co-study to suggest design rules for overall improved system performance.
-
Design of an automated sorting and orienting machine for electronic pins
At the power electronics manufacturer SynQor, the printed circuit board (PCB) assembly line is fully automated with the exception of the step which inserts electronic pins into the PCBs. Past attempts to automate this process have resulted in two unreliable machines that are not in use on the …
-
An automated bench testing system for direct current parameters of instrumentation amplifiers
… stages in the production of analog integrated circuits (ICs). An efficient system for low-volume IC testing is one that automates bench tests and provides good measurement precision and accuracy, while costing far less than the standard automated test equipment (ATE) used for high-volume …
-
Event-Driven Distributed Task Orchestration System with Applications to Automated PCB Design
Printed circuit board (PCB) design is the process of taking a board schematic and design constraints and realizing a manufacturable design. Electronic Design Automation (EDA) software allows humans to manually design PCB’s by placing components and routing the electrical connections required. …
-
Design of optoelectronic activation, local memory and weighting circuits for Compact Integrated Optoelectronic Neural (COIN) Co-processor
… thresholding (activation), weighting and memory circuits for the COIN processor. The first version involved the design of fixed thresholding and weighting functions. The second version incorporated a local capacitive memory element as well as variable weighting schemes. The third version …
-
Ferrite characterization techniques & particle simulations for semiconductor devices
… simulations. In the second paper, a planar printed circuit board (PCB) coil is proposed as an alternative to the Keysight 16454A fixture for extracting permeability from ferrite materials. The method of extraction is verified through full-wave simulations. The final paper (and second topic) …
-
Physical modeling of electrical conduction in printed circuit board insulation
… confidence of their validity. As a first case,printed circuit board (PCB) insulation was selected as a target for investigation. With an increase in the electronics and circuit miniaturization coupled with an increase in voltage in 42 volt as well as hybrid vehicles, PCB reliability has become …
-
Design and development of an improved two-axis meso-scale electro-magnetic actuator for a flexure based nano-positioner
… magnet), 2) flexural bearings and 3) rapid printed circuit board (PCB) heat dissipation. Simulations using Solidworks and Matlab were employed to determine how the actuator system behaved. It was determined that the actuator was required to provide 0.17N and 0.12N in plane and out of plane …
-
Design and fabrication of planar inductors for inductive proximity sensors
… of hybrid microelectronics components and circuits. As another alternative, multilayer structures utilizing polymer materials and fabrication techniques common to the printed circuit board (PCB) industry were also investigated. Manufacture of the coils utilizing ceramic and polymer …
-
PCB Busbar Design and Verification for a Multiphase SiC-based All-electric Aircraft Powertrain Converter
… electrification of aircrafts. In this thesis, a printed circuit board (PCB) based heavy copper busbar design and verification are introduced for a SiC based 250 kW multiphase drive system operated at 40,000 ft. Finite-element analysis (FEA) simulation studies of the PCB busbar are conducted to …
-
The effect of shielding, grounding and bonding to the electromagnetic compatibility of high emission printed circuit board
… In this work, three different types of Printed Circuit Board (PCB) designs are studied. The PCBs are less costly and can be easily protected from the impact of the electromagnetic environment from the EM radiation. The effect of two high radiation circuits on each other has been studied …
-
Basic communication framework for a robotic device for the inspection of nuclear reactor piping structures
… model. The electronics were refined to a Printed Circuit Board (PCB) which could be used in a wide variety of robotic functions. The culmination of this thesis placed the developed electronics and program into an alpha prototype robot. This robot was used to analyze the movement of the a …
-
Investigation of explicit finite-element time-domain methods and modeling of dispersive media and 3D high-speed circuits
… is proposed. Based on the layered geometry of printed circuit board (PCB) structures, the unknowns within each subdomain are eliminated and a global interface problem containing only the unknowns at the via holes is obtained. The interface problem is then solved and the volume unknowns in each …
Page 1 of 4