diode series resistance
51p-n junction — A silicon p–n junction with no applied voltage. A p–n junction is formed at the boundary between a P type and N type semiconductor created in a single crystal of semiconductor by doping, for example by ion implantation, diffusion of dopants, or… …
52Linear regulator — In electronics, a linear regulator is a voltage regulator based on an active device (such as a bipolar junction transistor, field effect transistor or vacuum tube) operating in its linear region (in contrast, a switching regulator is based on a… …
53Multijunction photovoltaic cell — Multi junction solar cells or tandem cells are solar cells containing several p n junctions. Each junction is tuned to a different wavelength of light, reducing one of the largest inherent sources of losses, and thereby increasing efficiency.… …
54Potentiometer — This article is about the electrical component. For the measuring instrument, see Potentiometer (measuring instrument). Potentiometer A typical single turn potentiometer Type Passive Electronic s …
55Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
56Clipper (electronics) — Voltage clipping limits the voltage to a device without affecting the rest of the waveform In electronics, a clipper is a device designed to prevent the output of a circuit from exceeding a predetermined voltage level without distorting the… …
57List of vacuum tubes — This is a list of vacuum tubes or thermionic valves. Before the advent of semiconductor devices, hundreds of tube types were used in consumer and industrial electronics; today only a few types are still used in specialized applications. Contents… …
58Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
59Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …
60Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
