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Electron Internal Transport Barrier and Transient
Electron Internal Transport Barrier and Transient

... The first amplifying stage of the RF chain have been designed and manufactured by Europeenne de Telecommunications S.A. (France) and it is based on solid state technology. The second amplifying stage of the RF chain is being manufactured by Thales Electron Devices (France) and it is based on the TH1 ...
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Paralleling Transient Voltage Suppressors for Higher Power Capability

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... The calibrator supplies voltage and current at dc and at internally generated frequencies of 50, 60 and 400 Hz. Low ripple on dc functions and low distortion in ac modes minimizes random error when calibrating digital and rectifier type instruments. It is protected against accidental short circuit o ...
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Triode



A triode is an electronic amplifying vacuum tube (or valve in British English) consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate (anode). Invented in 1906 by Lee De Forest by adding a grid to the Fleming valve, the triode was the first electronic amplification device and the ancestor of other types of vacuum tubes such as the tetrode and pentode. Its invention founded the electronics age, making possible amplified radio technology and long-distance telephony. Triodes were widely used in consumer electronics devices such as radios and televisions until the 1970s, when transistors replaced them. Today, their main remaining use is in high-power RF amplifiers in radio transmitters and industrial RF heating devices. The word is derived from the Greek τρίοδος, tríodos, from tri- (three) and hodós (road, way), originally meaning the place where three roads meet.
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