gunn-effect diode

См. также в других словарях:

• Gunn effect — /gun/, Physics, Electronics. the onset of microwave oscillations in a thin slice of a semiconductor when a voltage exceeding a given value is applied across the slice. [named after J. B. Gunn (b. 1928), British physicist, who discovered the… …   Universalium

• Diode — Figure 1: Closeup of a diode, showing the square shaped semiconductor crystal (black object on left) …   Wikipedia

• John Battiscombe Gunn — John Battiscombe (J.B.) Gunn is an Egyptian born US/British physicist born in 1928.While working for IBM, in 1963 he invented the Gunn diode based upon the Cyril Hilsum Ridley Watkins effect. He is a member of the National Academy of Engineering …   Wikipedia

• John Gunn — may refer to: * John Gunn (cricketer) (1876 1963), English cricketer * John Currie Gunn (1916 2002) * John Gunn (Australian politician) (1884 1959), 29th Premier of South Australia * John Battiscombe Gunn, discovered the Gunn effect and invented… …   Wikipedia

• Tunnel diode — A tunnel diode or Esaki diode is a type of semiconductor diode which is capable of very fast operation, well into the microwave frequency region, by using quantum mechanical effects. It was invented in 1958 by Leo Esaki, who in 1973 received the… …   Wikipedia

• List of effects — This is a list of names for observable phenonema that contain the word effect, amplified by reference(s) to their respective fields of study. #*3D audio effect (audio effects)A*Accelerator effect (economics) *Accordion effect (physics) (waves)… …   Wikipedia

• Ridley Watkins Hilsum theory — According to the Ridley Watkins Hilsum (RWH) Theory the differential negative resistance that is developed in a bulk solid state III V compound when either a voltage or a current is applied to the terminals of the sample.There are two modes of… …   Wikipedia

• Semiconductor device — Semiconductor devices are electronic components that exploit the electronic properties of semiconductor materials, principally silicon, germanium, and gallium arsenide. Semiconductor devices have replaced thermionic devices (vacuum tubes) in most …   Wikipedia

• spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium

• electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium

• Negative resistance — is a property of some electric circuits where an increase in the current entering a port results in a decreased voltage across the same port. This is in contrast to a simple ohmic resistor, which exhibits an increase in voltage under the same… …   Wikipedia