I hope that it can be of some usefulness to the many collectors who want to know more, when looking at a vacuum tube of some little known manufacturers, maybe with a strange label glued on the bulb. This is an overview of the known italian vacuum tube manufacturers. Vacuum tube, electron tube, thermionic valve, valve resources category is a curation of 19 web resources on, franks electron tube pages, vacuum tube basics, fun with tubes. Many experiments are suggested, and much tube lore and curious circuits are presented.
This overgrown page covers all kinds of vacuum tube electron devices, especially receiving tubes. I already had a lot of tube data from my early days, because i never threw away a book about tubes. Preface fundamentals of vacuum technology revised and compiled by dr. The main category is vacuum tube resources that is about vacuum tube, electron tube, thermionic valve, valve resources.
An 829b dual beam power pentode cw transmitter don huff, w6jl. It should be much faster than the old server at my house. You can key in cyrillic characters to perform the search too. Substitutes are given as a guide only please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. Only a few types are still used today, mainly in highpower, highfrequency applications.
They differ in the construction of the cathode and the materials used. In this type of gasfilled tubes, the cathode is not heated as in a vacuum tube. A condensed semiconductor brochure is also available upon request. Signal subcourse ss0312, which you should study next, discusses the various uses and configurations of tubes. This is essentially an updated version of vacuum tube design below. On this basis, they may be classified into two types namely. In most cases it is less about brand than how well the tubes are tested. To get data for a tube wich code starts with a particular character, put a space on the begining of your search. The kt88tk is a beampower tetrode that shares similar applications as the 6l6 and el34, and is one of the largest tubes in its class. Your diminutive tube requires only 300ma, so many more could be powered. In addition to the data i have scanned and posted, if youre looking for data on a particular tube you should visit tsdl on duncanamps website, or franks tube data. Rca receiving tube manual tube is largely independent of plate volt. Unfortunately sylvania didnt put data sheets on separate pages they run together so its hard to break up the data into individual files and index them, like the hb3 data. I need a basic primer on interpreting vacuum tube datasheets.
The tube manufacturer chooses these values to provide acceptable serviceability of the. Black diamond series vacuum tubes telefunken vacuum tubes have been the benchmark of excellence in all audio applications, both production and reproduction, for many decades. Another spot to look, which is especially useful if youre looking for replacement types and tubes with similar bases or characteristics, is the nj7p tube database. It has, of course, only been possible to include abridged technical data but this should be adequate for normal requirements. In electronics, a vacuum tube, electron tube in north america, tube, or thermionic valve or valve in british english is a device controlling electric current through a vacuum in a sealed container. Theory of vacuum tubes miniature vacuum tubes with cathodes of highfieldemitting carbon nanotubes are. This one has a lot of pages from the european philips tube manual. I am working on posting the rca hb3 tube handbook on line on this. Intended for internal use only, this book contains 53 articles on different aspects of vacuum tube design and manufacture. Hart sars winter swap meet jim miller park february 18, 2017.
Try searching the tube data sheet locator, the worlds biggest index of tube datasheets other pages online with tube data. Follow the links on the left to find the tubes, valves, sockets, grid caps, and capacitors for your antique radio, ham radio, hifi stereo, or other electronic piece. Questions about vacuum tube data sheets physics forums. Describe the effects the physical structure of a tube has on electron tube operation and name the four most important tube constants that affect efficient tube operation. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics.
Rca rc10 tubemanual 1933 complements of tim reese and harvarduniversity. Vacuum tube, electron tube, thermionic valve, valve. I change this directory structure often and your links will not work correctly. Follow the links on the left to find the tubes, valves, sockets, grid caps and capacitors for your antique radio, ham radio, hifi stereo, or other electronic piece. It has many circuit diagrams, using these tubes and all the information, about these original vacuum tubes. It is to be used in conjunction with the publication, application guide for burle power tubes, tp105, for general application information. The family name for a fiveelectrode age makes it possible to. The technical data sheet for a given tube type lists the approximate drive power required for various operating modes. The resource is currently listed in in a single category. Tube 1u5 or rohre 1u5 id2816, diodepentode, miniatur7pinbase b7g, usa 1940 and audio frequency shown. Gasfilled tubes are usually classified according to the type of electron emission employed. The 6146 beam power tube and its various descendents 6146a, 6146b was and still is one of the most popular transmitting tubes in amateur radio service. Welcome to the tube data sheet locator, a popular web resource for finding data on vacuum tubes.
The 300b tube has the bayonet pin so located that it may also be mounted in a western electric 100m, 115b or similar socket. Of the dozen or so tube manufactures left in the world my experience has been they all make good and bad tubes. Pdf format or 8 data sheets from the rca tt5 transmitting tube manual. An impressive manly vacuum tube such as an 807 beam tetrode will have about a 1a filament, so an ordinary laptop adapter should be able to power at least 9 tubes check the nameplate rating and the tube datasheets and add maybe 30% margin. The subject of electron tubes has been divided into two signal subcourses. This 1932 rca below manual provides all the data sheet information, of the first radio receiving tubes ever made, from about 1920 to 1932. The tdsl tube data sheet locator personal edition provides information right on your pc for a large number of vacuum tubes. The vacuum tube an introduction bob devance, k5crx many hams think that vacuum tubes are strictly a thing of the past. This link is listed in our web site directory since monday sep 30 20, and till today vacuum tube data has been followed for a total of 337 times. Tube data vintage info from the age of vacuum tubes. Herein you will find a collection of vintage engineering texts, vacuum tube datasheets, and other obsolete information, presented free of charge and without annoying advertisements. An 829b dual beam power pentode cw transmitter don huff, w6jl june 6, 2016 ive always thought of the 829b as a rather attractive tube physically ie, it has sex appeal. The simplest vacuum tube, the diode, contains only two elements. Those who need more comprehensive information on the complete range of mullard valves and tubes are invited to subscribe to the.
Of any particular type of valve or tube does not necessarily imply that it can be supplied. An overview of italian vacuum tube manufacturers foreword. The tube list at esrc1 vacuum tubes is very extensive, as is our inventory of vacuum tubes, grid caps, sockets, valves and capacitors. Explain biasing and the effect of bias in the electron tube circuit. I dont think the new tubes are made as well as the old rca tubes for example. Free vacuum tube data sheets free vacuum tube substitution.
Bold designators are close or identical, italic designators are different ratings, different pinouts or different filament voltages. Downloadable tube catalog vacuum tubes audio tubes. This data sheet gives application information unique to the burle 8122. One of the major ways in which cathodes can be categorised is by the way they are heated. The tube was originally introduced by rca in an ad in the january, 1952 issue. Presentation organization brief history of vacuum tubes the rmaeia the value of date coding methods of evaluating vacuum tubes.
The tube list at the tube center is very extensive, as is our inventory of vacuum tubes, grid caps, sockets, valves and capacitors. Click here for help on how to enter cyrillic characters if you dont have a keyboard which supports them. The tubes may be mounted in either a vertical or horizontal. Curve captor is a free distributed under gpl vacuum tube modeling software that brings the advantages of modern computer simulation tools to design of vacuum tube electronics. A sincere thanks to both bob cheney, n1dqm, and john red shaw, k1deu, who provided guidance in compiling this tube. The most significant difference between the two is that 6n2p has its two filament elements connected in parallel, unlike the series filament connection of the 12ax7, and it is thus only possible. Describe, through the use of a characteristic curve, the operating parameters of the electron tube. This subcourse, ss0311, is concerned with the general operational theory of tubes. The truth is there are a lot of tubes still filling important roles daily in the amateur radio world. Vacuum tube theory, a basics tutorial page 4 vacuum tube electrodes the cathode there is a variety of different types of cathode that are used in vacuum tubes. The 6bq5 is a poweramplifier pentode designed for use in the audiofre quency poweroutput stage of television and. I also tell everyone i know that i collect tubes and books about tubes. If you have never used this facility before, click the help link on the left for detailed instructions.
Vacuum tube data sheet locator electronic circuits. Detailed data sheets on the various tubes listed in this catalog are available upon request. The e88cc is a dual triode tube like the 12ax7, but has a different pin configuration making it not a direct plugin replacement. Advanced searching facilities help you to compare different types and make substitutes for hard to find vacuum tubes. So, having in hand a few of these wwiiera tubes and some matching sockets acquired over the years, i decided to take. Many industrial, military or otherwise professional tubes were also produced. Vacuum tube, vintage radio and other electronics information. I think this book has nearly everything you need to know to design and build tubes.
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