Search results

From Self-sufficiency
Jump to: navigation, search
  • ...ent in mining operations. Advanced ceramics are also used in the medicine, electrical and electronics industries. ...ects and hardness microindentions. Most bulk mechanical, optical, thermal, electrical and magnetic properties are significantly affected by the observed microstr
    28 KB (3,876 words) - 10:08, 20 September 2010
  • ...energy, building, agriculture, sports & leisures, electronics/electricity, electrical appliances,medical, packaging… ...on allows CNEP to play also an interfacial role between polymer producers, transformers and constructors bringing :<br />
    6 KB (824 words) - 10:10, 20 September 2010
  • '''Isolation amplifiers''' provide electrical isolation and an electrical safety barrier. They protect [[data acquisition]] components from common mo
    10 KB (1,402 words) - 14:48, 10 December 2011
  • ...lectronics with the addition of [[transducer]]s to convert to and from the electrical domain. Indeed some of the earliest ideas for filters were acoustic resonat #'''Simple filters'''. The frequency dependence of electrical response was known for capacitors and inductors from very early on. The res
    60 KB (9,254 words) - 14:49, 10 December 2011
  • ...of the line, or at the far end of the line if the line is not correctly [[Electrical termination|terminated]] in its [[characteristic impedance]]. This can happ This article is about [[signal reflection]]s on [[electrical conduction|electrically conducting]] lines. Such lines are loosely referred
    23 KB (3,658 words) - 14:49, 10 December 2011
  • ...resistance]], [[inductance]] or [[capacitance]]) that is possessed by an [[electrical component]] but which it is not desirable for it to have for its intended p
    3 KB (367 words) - 14:49, 10 December 2011
  • ...input and output of the filter there are [[transducer]]s which convert the electrical signal into, and then back from, these mechanical vibrations. ...o appropriate values to produce a filter with an identical response to the electrical counterpart.
    52 KB (7,784 words) - 14:49, 10 December 2011
  • | publisher = Inst. of Electrical and Electronic Engineers ...e coil, oscillating at the frequency of the radio signal. It has a high [[Electrical impedance|impedance]] at the desired radio signal's frequency, but a low im
    73 KB (10,437 words) - 14:50, 10 December 2011
  • ...in place of an ideal transformer. One essential difference is that ideal transformers continue to work when energised with [[direct current|DC]], something no re ...mpedance''' is an [[equivalent circuit]] of an [[electrical network]] of [[electrical impedance|impedance]] elements<ref group=note name=element/> which presents
    32 KB (4,832 words) - 14:50, 10 December 2011
  • ...e matching''' is the practice of designing the [[input impedance]] of an [[electrical load]] (or the [[output impedance]] of its corresponding signal source) to ...can be applied to any other field where a form of energy (not necessarily electrical) is transferred between a source and a load. An alternative to impedance ma
    31 KB (4,821 words) - 14:50, 10 December 2011
  • ...given to a class of electrical safety testing instruments used to verify [[electrical insulation]] in finished appliances, cables or other wired assemblies, [[pr Under normal conditions, any electrical device will produce a minimal amount of leakage current due to the voltages
    5 KB (783 words) - 14:51, 10 December 2011
  • A '''Marx generator''' is an [[electrical circuit]] first described by [[Erwin Otto Marx]] in 1924. Its purpose is to ...s are used to provide high-voltage pulses for the testing of insulation of electrical apparatus such as large power [[transformer]]s, or insulators used for supp
    11 KB (1,725 words) - 14:51, 10 December 2011
  • Spring probes (a.k.a. "[[pogo pin]]s") are spring-loaded pins used in electrical [[test fixture]]s to contact test points, component leads, and other conduc Oscilloscopes display the instantaneous waveform of varying electrical quantities, unlike other instruments which give numerical values of relativ
    27 KB (4,130 words) - 14:52, 10 December 2011
  • ...nsformers are commonly used in metering and [[protective relay]]s in the [[electrical power industry]]. [[Image:CurrentTransformers.jpg|right|thumb|300px|Current transformers used in [[electricity meter|metering equipment]] for [[three-phase]] 400 am
    12 KB (1,668 words) - 14:52, 10 December 2011