beam valve

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• beam valve — beam valve, British. a beam power tube …   Useful english dictionary

• beam valve — pluoštinė lempa statusas T sritis fizika atitikmenys: angl. beam tube; beam valve vok. Bündelröhre, f; Bündelungsröhre, f; Röhre mit Elektronenbündelung, f rus. лучевая лампа, f pranc. lampe à focalisation d’électrons, f; tube à faisceau, m …   Fizikos terminų žodynas

• beam tube — pluoštinė lempa statusas T sritis fizika atitikmenys: angl. beam tube; beam valve vok. Bündelröhre, f; Bündelungsröhre, f; Röhre mit Elektronenbündelung, f rus. лучевая лампа, f pranc. lampe à focalisation d’électrons, f; tube à faisceau, m …   Fizikos terminų žodynas

• Beam tetrode — The problem of secondary emission in the tetrode tube (valve) was solved by Philips/Mullard with the introduction of a suppressor grid to produce the pentode construction. Since Philips held a patent on this design, other manufacturers were keen… …   Wikipedia

• Valve amplifier — A valve amplifier or tube amplifier is a type of electronic amplifier that make use of vacuum tubes instead of solid state semiconductor devices (such as transistors). As any other electronic amplifier they serve to increase the power and/or… …   Wikipedia

• Valve RF amplifier — A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.), is a device for electrically amplifying the power of an electrical , typically (but not exclusively) radio frequency signals.Low to medium power valve amplifiers for frequencies below… …   Wikipedia

• Valve audio amplifier - technical — Circuitry and performance Characteristics of valves Valves are very high input impedance (near infinite in most circuits) and high output impedance devices. They are also high voltage / low current devices.While valves themselves are described… …   Wikipedia

• beam tube — /ˈbim tjub/ (say beem tyoohb) noun a valve as a diode in which the stream of electrons flowing to the plate is focused by the action of a set of auxiliary, charged elements …  

• Old Bess (beam engine) — Old Bess, as now preserved in the Science Museum, London Old Bess is an early beam engine built by the partnership of Boulton and Watt. The engine was constructed in 1777 and worked until 1848.[1] …   Wikipedia

• Balance valve — Balance Bal ance (b[a^]l ans), n. [OE. balaunce, F. balance, fr. L. bilanx, bilancis, having two scales; bis twice (akin to E. two) + lanx plate, scale.] 1. An apparatus for weighing. [1913 Webster] Note: In its simplest form, a balance consists… …   The Collaborative International Dictionary of English

• Slide valve — Cylinder, with slide valve removed to show ports …   Wikipedia