impedance match - meaning and definition. What is impedance match
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What (who) is impedance match - definition


Impedance matching         
  • alt=Schematic diagram of coaxial cable
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  • Basic schematic for matching R<sub>1</sub> to R<sub>2</sub> with an L pad.  R<sub>1</sub> > R<sub>2</sub>, however, either R<sub>1</sub> or R<sub>2</sub> may be the source and the other the load. One of X<sub>1</sub> or X<sub>2</sub> must be an inductor and the other must be a capacitor.
  • alt=Schematic diagram of amplifier and speaker, with two tubes and an impedance-matching transformer
PRACTICE MATCHING LOADS TO POWER SOURCES IN ENGINEERING
Impedance match; Impedance mismatch; Matching network; Mismatched impedance; Mismatched impedances; Impedence matching; Line impedance; Impedance-matched
In electronics, impedance matching is the practice of designing or adjusting the input impedance or output impedance of an electrical device for a desired value. Often, the desired value is selected to maximize power transfer or minimize signal reflection.
Electrical impedance         
  • complex impedance plane]]
  • load]] <math>Z</math>, driving a current <math>I</math>
  • Generalized impedances in a circuit can be drawn with the same symbol as a resistor (US ANSI or DIN Euro) or with a labeled box.
  • The phase angles in the equations for the impedance of capacitors and inductors indicate that the voltage across a capacitor ''lags'' the current through it by a phase of <math>\pi/2</math>, while the voltage across an inductor ''leads'' the current through it by <math>\pi/2</math>. The identical voltage and current amplitudes indicate that the magnitude of the impedance is equal to one.
QUOTIENT OF THE VOLTAGE PHASOR AND THE ELECTRIC CURRENT PHASOR
Impedances; Electric impedance; Complex electric impedance; Electric effective resistance; Complex impedance; Conductor impedance; Electric complex impedance; Impedance of different devices (derivations); Deriving capacitor impedance; Complex Impedance; Phasor impedance; Electrical impedence; Capacitor impedance; Inductor impedance; Resistor impedance; Complex impedence; Impedance (electrical); Inductive impedance
In electrical engineering, impedance is the opposition to alternating current presented by the combined effect of resistance and reactance in a circuit.Slurzberg; Osterheld (1950).
matchstick         
  • The [[London matchgirls strike of 1888]] campaigned against the use of white phosphorus in match making, which led to bone disorders such as ''[[phossy jaw]]''.
  • Packing girls at the [[Bryant & May]] factory.
  • John Walker]], inventor of the friction match.
  • Match container, about 1875
  • Joseph Wright]], depicting [[Hennig Brand]] discovering [[phosphorus]].
  • ''[[The New York Times]]'' report dated 29 January 1911
  • A match at the beginning of the combustion process
  • Sulfur-head matches, 1828, lit by dipping into a bottle of phosphorus
  • ''Super Deportistas'' matches from mid 20th century Mexico, part of the permanent collection of the [[Museo del Objeto del Objeto]], in [[Mexico City]].
STICK MADE OF COMBUSTIBLE MATERIAL (TYPICALLY WOOD) USED FOR LIGHTING FIRES
Matches; Lucifer (match); Friction match; Safety match; Matchstick; Match heads; Safety matches; Matchsticks; Matchs; Lucifer match; Storm match
¦ noun
1. the stem of a match.
2. a long, thin piece: cut the vegetables into matchsticks.
[as modifier] Brit. (of a figure) drawn using thin straight lines.