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Proceedings Paper

Analytical depletion-mode MOSFET model for analysis of CCD output characteristics
Author(s): James S. Flores
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Paper Abstract

An analytical depletion-mode MOSFET (DMFET) and gate-to-channel capacitance (Cgc) models were derived from the potential and charge distribution model created by Van der Tol and Chamberlain [1]. The DMFET model predicts ''ds from the four terminal voltages structural parameters and material properties. Three parameters - Nd /tn and x - were extracted from Ids versus Vds curves by deriving conductivity and transconductance expressions from the DMFET model and knowing Na W/L and x07. The DMFET model was then utilized in a source follower configuration to establish the quiescent operating point. The FET''s quiescent point determines its gain and Cgc. Sensitivity is the product of (OVs/9Vg) . (Vg/OQn) i. e. gain and floating node capacitance. This composite model was then used to predict the effects of Rs VOD and VDD on sensitivity and linearity. Comparisons are made to SAGE CCD measurements. 1.

Paper Details

Date Published: 12 August 1992
PDF: 10 pages
Proc. SPIE 1656, High-Resolution Sensors and Hybrid Systems, (12 August 1992); doi: 10.1117/12.135947
Show Author Affiliations
James S. Flores, Ball Aerospace & Technologies Corp. (United States)


Published in SPIE Proceedings Vol. 1656:
High-Resolution Sensors and Hybrid Systems
Morley M. Blouke; Winchyi Chang; Laurence J. Thorpe; Rajinder P. Khosla, Editor(s)

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