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In electronics, a differentiator is a circuit that is designed such that the output of the circuit is approximately directly proportional to the rate of change (the time derivative) of the input. A true differentiator cannot be physically realized, because it has infinite gain at infinite frequency. A similar effect can be achieved, however, by limiting the gain above some frequency. The differentiator circuit is essentially a high-pass filter.An active differentiator includes some form of amplifier, while a passive differentiator is made only of resistors, capacitors and inductors.

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rdf:type
rdfs:label
  • Derivační článek (cs)
  • Differentiator (en)
  • Derivatore analogico (it)
  • 微分回路 (ja)
  • Układ różniczkujący (pl)
  • Дифференциатор (ru)
  • Диференціатор (uk)
rdfs:comment
  • Derivační článek (derivátor) je elektronický obvod, který v obvodu provádí matematickou operaci derivování – napětí na výstupu je derivací napětí na vstupu podle času. Ideální derivační článek tak realizuje funkci: , kde je konstanta derivátoru. (cs)
  • In electronics, a differentiator is a circuit that is designed such that the output of the circuit is approximately directly proportional to the rate of change (the time derivative) of the input. A true differentiator cannot be physically realized, because it has infinite gain at infinite frequency. A similar effect can be achieved, however, by limiting the gain above some frequency. The differentiator circuit is essentially a high-pass filter.An active differentiator includes some form of amplifier, while a passive differentiator is made only of resistors, capacitors and inductors. (en)
  • 微分回路または微分器(英: differentiator)とは、出力が入力の導関数になるよう設計した電気回路である。微分回路には能動型と受動型がある。以下では主に能動型を解説する。受動型については、RC回路を参照されたい。 (ja)
  • Układ różniczkujący – układ elektroniczny którego napięcie wyjściowe jest proporcjonalne do szybkości zmian napięcia wejściowego. Układy różniczkujące buduje się jako aktywne i pasywne. (pl)
  • In elettronica il derivatore analogico è un importante utilizzo dell'amplificatore operazionale. Prima dell'avvento dell'elettronica digitale l'utilizzo degli amplificatori operazionali era notevole per ottenere operazioni matematiche tramite segnali, come la derivazione e l'integrazione. (it)
  • Дифференциа́тор, устройство дифференцирующее — аналоговый функциональный блок в АВМ структурного типа. (ru)
  • Диференціа́тор, диференціюва́льний при́стрій — у АОМ. (uk)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Bode_Plot_(Frequency_Response)_of_an_Ideal_Differentiator.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Bode_Plot_of_Practical_Differentiator.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Passive_differentiator_circuit_1.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Passive_differentiator_circuit_2.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Passive_differentiator_circuit_transfer_function.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Practical_Differentiator_Circuit_Diagram.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/R1C.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Op-Amp_Differentiating_Amplifier.svg
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  • center (en)
caption
  • Capacitive differentiator (en)
  • Inductive differentiator (en)
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  • Passive_differentiator_circuit_1.png (en)
  • Passive_differentiator_circuit_2.png (en)
has abstract
  • Derivační článek (derivátor) je elektronický obvod, který v obvodu provádí matematickou operaci derivování – napětí na výstupu je derivací napětí na vstupu podle času. Ideální derivační článek tak realizuje funkci: , kde je konstanta derivátoru. (cs)
  • In electronics, a differentiator is a circuit that is designed such that the output of the circuit is approximately directly proportional to the rate of change (the time derivative) of the input. A true differentiator cannot be physically realized, because it has infinite gain at infinite frequency. A similar effect can be achieved, however, by limiting the gain above some frequency. The differentiator circuit is essentially a high-pass filter.An active differentiator includes some form of amplifier, while a passive differentiator is made only of resistors, capacitors and inductors. (en)
  • 微分回路または微分器(英: differentiator)とは、出力が入力の導関数になるよう設計した電気回路である。微分回路には能動型と受動型がある。以下では主に能動型を解説する。受動型については、RC回路を参照されたい。 (ja)
  • Układ różniczkujący – układ elektroniczny którego napięcie wyjściowe jest proporcjonalne do szybkości zmian napięcia wejściowego. Układy różniczkujące buduje się jako aktywne i pasywne. (pl)
  • In elettronica il derivatore analogico è un importante utilizzo dell'amplificatore operazionale. Prima dell'avvento dell'elettronica digitale l'utilizzo degli amplificatori operazionali era notevole per ottenere operazioni matematiche tramite segnali, come la derivazione e l'integrazione. (it)
  • Дифференциа́тор, устройство дифференцирующее — аналоговый функциональный блок в АВМ структурного типа. (ru)
  • Диференціа́тор, диференціюва́льний при́стрій — у АОМ. (uk)
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