A Time Delay and Integration Design for Focal Plane Arrays
Abstract
This thesis presents a design concept for the implementation of a focal plane array (FPA) time division multiplexer (TOM) which uses time delay integration (TOI) to minimize fixed pattern noise arising from capacitor tolerances. This is accomplished by using a serial TDI architecture as opposed to the more traditional parallel structures. In addition, scan line fixed pattern noise is reduced by using a programmable array multiplying digital-to-analog converter (MDAC) which operates from an on-plane random access memory. The FPA multiplexer used here may be described as follows. The input stage is a standard buffered injection (BI) amplifier configuration coupled with the photovoltaic detector. The FPA multiplexer performs the TOI in a serial manner with one sample per detector angular subtense (DAS). The FPA has four bits of gain enhanced resolution to provide uniformity correction. The output multiplexer buffer is designed to transfer the data off-plane to the external processing electronics while conserving power consumption across the plane. The methodology and rational behind each stage design is discussed and simulated using MICRO-CAP II circuit analysis program.
Notes
This item is only available in print in the UCF Libraries. If this is your thesis or dissertation, you can help us make it available online for use by researchers around the world by STARS for more information.
Graduation Date
1989
Semester
Fall
Advisor
Miller, Richard N.
Degree
Master of Science (M.S.)
College
College of Engineering
Department
Electrical Engineering and Communication Sciences
Format
Pages
85 p.
Language
English
Length of Campus-only Access
None
Access Status
Masters Thesis (Open Access)
Identifier
DP0026650
Subjects
Dissertations, Academic -- Engineering; Engineering -- Dissertations, Academic
STARS Citation
Davis, William N., "A Time Delay and Integration Design for Focal Plane Arrays" (1989). Retrospective Theses and Dissertations. 4128.
https://stars.library.ucf.edu/rtd/4128
Accessibility Status
Searchable text