Barkhausen criterion

[′bärk‚hau̇z·ən krī‚tir·ē·ən] (electronics) A criterion used to determine the stability of an oscillator circuit which states that, if the circuit is seen as a loop consisting of an amplifier with gain A and a linear circuit whose gain β(j ω) depends on frequency ω, then the loop will oscillate with a perfect sine wave at some frequency ω₀ if at that frequency A β(j ω₀) = 1 exactly, that is, if the magnitude of A β(j ω₀) is exactly 1 and its phase is 0° or 360°.

单词	barkhausen criterion
释义	Barkhausen criterion Barkhausen criterion [′bärk‚hau̇z·ən krī‚tir·ē·ən] (electronics) A criterion used to determine the stability of an oscillator circuit which states that, if the circuit is seen as a loop consisting of an amplifier with gain A and a linear circuit whose gain β(j ω) depends on frequency ω, then the loop will oscillate with a perfect sine wave at some frequency ω₀ if at that frequency A β(j ω₀) = 1 exactly, that is, if the magnitude of A β(j ω₀) is exactly 1 and its phase is 0° or 360°.
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