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Schematic diagram of an opto-isolator showing source of light (LED) on the left, dielectric barrier in the center, and sensor (phototransistor) on the right [note 1]. An opto-isolator (also called an optocoupler, photocoupler, or optical isolator) is an electronic component that transfers electrical signals between two isolated circuits by using light. [1]
English: A diagram of a simple circuit using an optocoupler. When the switch S' 1 is closed, the diode emits light and the transistor conducts. v' out thus goes low. This circuit therefore acts much like a logicalNOT gate.
Optocoupler schematic diagram. Own work. File usage. No pages on the English Wikipedia use this file (pages on other projects are not listed). Global file usage.
A reference designator unambiguously identifies the location of a component within an electrical schematic or on a printed circuit board.The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15.
Circuit macros is a set of macros for drawing high-quality line diagrams to include in TeX, LaTeX, web, or similar documents, with support for SVG and other formats. It uses the M4 macro processor and a Pic interpreter and can produce TikZ code.
A small outline integrated circuit (SOIC) is a surface-mounted integrated circuit (IC) package which occupies an area about 30–50% less than an equivalent dual in-line package (DIP), with a typical thickness being 70% less. They are generally available in the same pin-outs as their counterpart DIP ICs.
Layout view of a simple CMOS operational amplifier. In integrated circuit design, integrated circuit (IC) layout, also known IC mask layout or mask design, is the representation of an integrated circuit in terms of planar geometric shapes which correspond to the patterns of metal, oxide, or semiconductor layers that make up the components of the integrated circuit.
English: Comparison of planar (top) and silicone dome (bottom) opto-isolator layout (both in DIP package for convenience). Based on drawings in: planar: Forrest M. Mims (2000). Mims Circuit Scrapbook (volume 2). Newnes. ISBN 1878707493. p. 100. dome: Christophe Basso (2009). Dealing with Low-Current Optocouplers. Energy Efficiency and ...