diode matrix
121Quantum dot display — A quantum dot display is a type of display technology used in flat panel displays as an electronic visual display. Quantum dots (QD) or semiconductor nanocrystals are a form of light emitting technology and consist of nano scale crystals that can …
122Power dividers and directional couplers — A 10 dB 1.7–2.2 GHz directional coupler. From left to right: input, coupled, isolated (terminated with a load), and transmitted port …
123Multiplexed display — An entirely typical multiplexed vacuum fluorescent display used in a videocassette recorder Multiplexed displays are electronic displays where the entire display is not driven at one time. Instead, sub units of the display (typically, rows or… …
124Resistor — A typical axial lead resistor Type Passive Working principle Electrical resistance Invented Ge …
125X-ray fluorescence — (XRF) is the emission of characteristic secondary (or fluorescent) X rays from a material that has been excited by bombarding with high energy X rays or gamma rays. The phenomenon is widely used for elemental analysis and chemical analysis,… …
126Capacitor — This article is about the electronic component. For the physical phenomenon, see capacitance. For an overview of various kinds of capacitors, see types of capacitor. Capacitor Modern capacitors, by a cm ruler Type Passive …
127ma|trix — «MAY trihks, MAT rihks», noun, plural tri|ces or trix|es, verb, trixed or trixt, trix|ing. –n. 1. something that gives origin or form to something enclosed within it: a) a mold for a casting. b) the rock in which crystallized minerals, gems, or… …
128Keyboard technology — Keyboard construction, in four layers, of a typical notebook computer keyboard There are many types of keyboards, usually differentiated by the switch technology employed in their operation. Keyboards are defined by the number (usually about… …
