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There seems to be better information on the history of the beam tetrode here http://en.wikipedia.org/wiki/6L6 Particularly the work of Harries in discovering...

relating to beam tetrodes with pure tetrode structure and no beam plates. As indicated in the text, these tetrodes were built as beam tetrodes, and explicitly...

all the other tubes in the list. it is also a pentode rather than a beam tetrode. This is sufficiently common knowledge, has been refered to where relevant...

I found it intriguing that its control input came from a pair of 6L6 beam tetrode tubes (valves), still used in guitar amplifiers, afaik. The Amplidynes...

the 813, about the only thing they have in common is that they are beam tetrodes. Does anyone have a reference stating the relationship between the 6L6...

actually constructed as beam tetrodes. The claim specifically referenced the EL34, but a surprising number were built as beam tetrodes and virtually all the...

case, the letters 'KT' simply meant 'kinkless tetrode' and were used to identify the (then) new beam tetrodes that were developed by that company. Any article...

link to the classic illustration of the simple electron optics of a beam tetrode? Fairly sure it was in the RCA Receiving Tube Manuals.) This misunderstanding...

developments to the beam tetrode, the optically aligned grids and the 'beam plates' (as noted it isn'r actually the beam plates that form the beams, but that's...

the plate voltage - whether there is a tetrode grid, or not, should make no difference. I suspect the "tetrode kink", whose existance is not in doubt...

one axis and frequency on the other, with the regions marked for triode/tetrode tubes, bipolar transistors, FETs, travelling-wave tubes, magnetrons, IMPATT...

factory 1 Talk:Vacuum tube/Archive 1#Ei tube factory Beam Tetrode 2 Talk:Vacuum tube/Archive 2#Beam Tetrode Resources 2 Talk:Vacuum tube/Archive 2#Resources...

traveling wave tubes, video camera tubes etc., even trochotrons and beam tetrodes? --Mkratz (talk) 14:28, 4 May 2013 (UTC) Strictly yes. But the term 'cathode...

pentode IF amplifier (58), then a pentode (anode bend) detector (57) and a tetrode output stage (2A5). A double diode rectifier (80) completed the line up...

materials, whereas the tetrode came about from a different physical mechanism. I agree that William Shockley is indebted to the triode/tetrode/vacuum tube. He...

amplifier topology swithc to the class AB1 push pull circuit, typically using tetrode/pentodes, often in ultralinear connection. This circuit gave more power...