barkhausen oscillation
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barkhausen-kurz oscillation — |ku̇rts noun or barkhausen oscillation Usage: usually capitalized B&K Etymology: after H. Barkhausen & K.Kurz, 20th century German scientists : ultrahigh frequency oscillation produced in a triode oscillator by means of a positively biased grid… … Useful english dictionary
Barkhausen, Heinrich Georg — ▪ German physicist born Dec. 2, 1881, Bremen, Ger. died Feb. 20, 1956, Dresden, E.Ger. [Germany] German physicist who discovered the Barkhausen effect, a principle concerning changes in the magnetic properties of metal. Barkhausen… … Universalium
Scientific phenomena named after people — This is a list of scientific phenomena and concepts named after people (eponymous phenomena). For other lists of eponyms, see eponym. NOTOC A* Abderhalden ninhydrin reaction Emil Abderhalden * Abney effect, Abney s law of additivity William de… … Wikipedia
Positive feedback — Alarm or panic can spread by positive feedback among a herd of animals to cause a stampede. Positive feedback is energy taken from the output of a system and reapplied to the input, which is phase congruent with the input signal. A system… … Wikipedia
Hysteresis — Not to be confused with Hysteria. Fig. 1. Electric displacement field D of a ferroelectric material as the electric field E is first decreased, then increased. The curves form a hysteresis loop. Hysteresis is the dependence of a system not… … Wikipedia
Audio feedback — (also known as the Larsen effect after the Danish scientist, Søren Larsen, who first discovered its principles) is a special kind of positive feedback which occurs when a sound loop exists between an audio input (for example, a microphone or… … Wikipedia
Scalar field theory (pseudoscience) — For the quantum mechanical scalar field theory which is a field theory of spinless particles, see Scalar field theory Scalar field theory (SFT) is a set of theories in a model which posits that there is a basic mechanism that produces the… … Wikipedia
Coil Noise — is a phenomenon in electronics which produces both undesirable audible sound, and electronic noise. Contents 1 Description 2 Devices Effected By Coil Noise 3 Reducing Coil Noise 4 … Wikipedia
