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In electronics, the Barkhausen stability criterion is a mathematical condition to determine when a linear electronic circuit will oscillate. It was put forth in 1921 by German physicist Heinrich Georg Barkhausen (1881–1956). It is widely used in the design of electronic oscillators, and also in the design of general negative feedback circuits such as op amps, to prevent them from oscillating.

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  • Stabilitätskriterium von Barkhausen (de)
  • Barkhausen stability criterion (en)
  • Critère de stabilité de Barkhausen (fr)
  • Critério de estabilidade de Barkhausen (pt)
  • Barkhausen-kriteriet (sv)
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  • In electronics, the Barkhausen stability criterion is a mathematical condition to determine when a linear electronic circuit will oscillate. It was put forth in 1921 by German physicist Heinrich Georg Barkhausen (1881–1956). It is widely used in the design of electronic oscillators, and also in the design of general negative feedback circuits such as op amps, to prevent them from oscillating. (en)
  • Das Stabilitätskriterium von Barkhausen lieferte eine notwendige, mathematische Bedingung, wann eine elektrische Schaltung, die aus einem Verstärker und einer geeigneten Rückkopplung besteht, selbständig schwingen kann. Dieses Kriterium liefert keine Aussage, ob die so gebildete Oszillatorschaltung stabil arbeitet und Sinusschwingungen konstanter Amplitude erzeugt. (de)
  • Le critère de stabilité de Barkhausen fixe une condition nécessaire pour qu'un circuit consistant en un amplificateur et une boucle de contre-réaction, se mette spontanément à osciller. Ce critère ne permet cependant ni d'affirmer que les oscillations seront durables, ni qu'elles seront d'amplitude constante. Ce critère marque les débuts de l'étude des circuits oscillants ; sa portée a depuis été précisée par d'autres critères, comme le critère de Nyquist. (fr)
  • Em eletrônica, o critério de estabilidade de Barkhausen é uma condição matemática para determinar quando um circuito eletrônico linear irá oscilar. Foi proposto, em 1921, pelo físico alemão Heinrich Georg Barkhausen (1881–1956). É amplamente utilizado no projeto de osciladores eletrônicos, e também em circuitos no geral com realimentação negativa, tais como op-amps, para prevenir a oscilação. (pt)
  • Barkhausen-stabilitetskriteriet är ett matematiskt tillstånd för att bestämma när en linjär elektronisk krets kommer att svänga. Det lades fram 1921 av den tyske fysikern Heinrich Georg Barkhausen. Det används ofta vid utformningen av elektroniska oscillatorer och även i utformningen av allmänna negativa återkopplingskretsar som op-förstärkare, för att förhindra att de oscillerar. (sv)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Oscillator_diagram1.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Oscillator_diagram2.svg
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  • In electronics, the Barkhausen stability criterion is a mathematical condition to determine when a linear electronic circuit will oscillate. It was put forth in 1921 by German physicist Heinrich Georg Barkhausen (1881–1956). It is widely used in the design of electronic oscillators, and also in the design of general negative feedback circuits such as op amps, to prevent them from oscillating. (en)
  • Das Stabilitätskriterium von Barkhausen lieferte eine notwendige, mathematische Bedingung, wann eine elektrische Schaltung, die aus einem Verstärker und einer geeigneten Rückkopplung besteht, selbständig schwingen kann. Dieses Kriterium liefert keine Aussage, ob die so gebildete Oszillatorschaltung stabil arbeitet und Sinusschwingungen konstanter Amplitude erzeugt. (de)
  • Le critère de stabilité de Barkhausen fixe une condition nécessaire pour qu'un circuit consistant en un amplificateur et une boucle de contre-réaction, se mette spontanément à osciller. Ce critère ne permet cependant ni d'affirmer que les oscillations seront durables, ni qu'elles seront d'amplitude constante. Ce critère marque les débuts de l'étude des circuits oscillants ; sa portée a depuis été précisée par d'autres critères, comme le critère de Nyquist. (fr)
  • Em eletrônica, o critério de estabilidade de Barkhausen é uma condição matemática para determinar quando um circuito eletrônico linear irá oscilar. Foi proposto, em 1921, pelo físico alemão Heinrich Georg Barkhausen (1881–1956). É amplamente utilizado no projeto de osciladores eletrônicos, e também em circuitos no geral com realimentação negativa, tais como op-amps, para prevenir a oscilação. (pt)
  • Barkhausen-stabilitetskriteriet är ett matematiskt tillstånd för att bestämma när en linjär elektronisk krets kommer att svänga. Det lades fram 1921 av den tyske fysikern Heinrich Georg Barkhausen. Det används ofta vid utformningen av elektroniska oscillatorer och även i utformningen av allmänna negativa återkopplingskretsar som op-förstärkare, för att förhindra att de oscillerar. (sv)
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