Specific detectivity: For a photodetector, a figure of merit used to characterize performance, equal to the reciprocal of noise equivalent power (NEP ), normalized to unit area and unit bandwidth.
Note: Specific detectivity, D *, is given by where A is the area of the photosensitive region of the detector and Δf is the specific detectivity effective noise bandwidth. Synonym D-Star.
Source: from Federal Standard 1037C
Electronics Topics
The field of electronics is the study and use of systems that operate by controlling the flow of electrons or other electrically charged particles in devices such as thermionic valves and semiconductors. The design and construction of electronic circuits to solve practical problems is part of the fields of electronic engineering, and the hardware design side of computer engineering. The study of new semiconductor devices and their technology is sometimes considered as a branch of physics.
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