Publication date 1994 topics vacuum tube, broadcasting, vintage, electronics, antique, history collection. February 2018 new and newoldstock tubes vacuum tube. A basic understanding of how a vacuum tube operates is pretty easy to come by. As the preliminary basis for our further investigation we decided to look into. A vacuum tube is a device used to control the flow of electric current using a vacuum in a sealed container, which usually takes the form of a glass tube, hence the name. Some of the parts i used were rare and unobtainable as new parts.
Vacuumtube and semiconductor electronics, jacob millman, 1958, 657 pages courtesy of gary smith. Many experiments are suggested, and much tube lore and curious circuits are presented. Oberholzer physics departement, university of basel, klingelbergstr. During its commercial life, the bulb shape was changed to s12 and later st12. It took many different developments to set in place all the foundations needed to be able to develop the vacuum tube or thermionic valve. There are numerous types of electron tubes manufactured. Preface fundamentals of vacuum technology revised and compiled by dr. 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 vacuum tube is the predecessor of the modern transistor and was used in similar ways as electronically controlled switches, rectifiers, amplifiers. The vacuum tube an introduction bob devance, k5crx many hams think that vacuum tubes are strictly a thing of the past.
Talks about tube and semiconductor devices, and the basics of amplifiers, oscillators, and power supplies. Mechanical vacuum pumps developed and used from the mid 20th century to the present day will be discussed after some basic vacuum concepts. 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. Although transistors and now have taken over many of the jobs. A vacuum tube, also called an electron tube, is a sealedglass or metalceramic enclosure used in electronic circuitry to control the flow of electrons between the metal electrodes sealed inside the tubes. However, if you cant find similar components at local swapfests. Before about 1932, three digit numbers were assigned to receiving types, and in some cases, the first digit signified the. All data entered on this form is 128 bit encrypted for your protection before being sent to us. Slightly more in depth is an understanding of a tubes operating parameters and expected values in a given circuit.
They differ in the construction of the cathode and the materials used. Incorporate the tube sound into your home audio system. Most small signal vacuum tube devices have been superseded by semiconductors, but some vacuum tube electronic devices are still in common use. Sukhorukov department of physics, university of florida, gainesville, fl 326118440, usa h. Together we are building the public libraries of the future. The simplest vacuum tube, the diode, contains only two elements. Wwi years, also, the saga of the vacuum tube by gerald tyne is a good. Vacuum tubes were used not only in radio, tvs and broadcasting, but also in commercial radio equipment, telephone systems, two way repeater systems, test equipment, and in many types of industrial electronic equipment.
This book would be an execlent resource for those who collect early vacuum tubes from the earliest tubes through 1930. An overview of italian vacuum tube manufacturers foreword. While it was available at a lower price on ebay, i wasnt quite ready to trust the seller. Understanding and building tube amps explains tube theory and construction practices for the hobbyist. Both are applications where there is a mechanicalelectrical interface. Vacuum tube valley magazine get the entire 20 magazine set.
Vacuum tubes can be tested outside of their circuitry using a vacuum tube tester. Tyne and a great selection of related books, art and collectibles available now at. The saga ofthe vacuum tube traces the development of thermionic vacuum tube up to 1930. The most comprehensive history of the thermionic vacuum tube. Pdf not available find, read and cite all the research you need on researchgate. Jun 19, 2007 1975 rca rc30 receiving tube manual caution large 38mb pdf file courtesy of walter welch, ai4sp. The book focuses mainly on vacuum tubes from the u. In its original form, the 230 has a tubular t9 bulb. Monthly support helps ensure that anyone curious enough to seek knowledge will be able to find it here. Another thought on the general topic of tube related reading.
The theory behind the operation of a vacuum tube is based on a concept known as thermionic emission. This overgrown page covers all kinds of vacuumtube electron devices, especially. There were four tubes in the 01 series, each with different current ratings for their. The tube ux230 230, 30 was announced by rca in june 1930. A first year ee textbook that bridges the vacuum tube age and the semiconductor age. Dhtrob books about electron tubes and their applications. A vacuum tube, an electron tube, or valve british usage or, colloquially, a tube north. Sadly, charlie kittleson passed away on february 10, 2009. 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. Understanding these concepts provides the basis behind understanding how a. In addition to this concepts including the attraction and repulsion of opposite and like charges play a large part in the operation of vacuum tubes thermionic valves. Preface the object of this book is to record the history of the evolution of the thermionic vacuum tube, to trace its complex genealogy, and to present essential facts to assist i. The technical data sheet for a given tube type lists the approximate drive power required for various operating modes. Some tubes such as silvertone were made with an st14 bulb.
Learn how to work with vacuum tubes and construct highquality audio amplifiers on your workbench with help from this handson, doityourself resource. Saga of the vacuum tube traces the development of thermionic vacuum tube up to 1930. This background is leveraged to casually analyze gain stages that are typically found in vacuum tube audio equipment. Be the first to ask a question about saga of the vacuum tube lists with this book. There are many books on the development of the vacuum tubevalve i have read. Fundamentals of amplification this chapter deals with the design and analysis of the basic triode gain stage, which is the main building block of a valve preamp. Computer history 1949 1960 early vacuum tube computers overview, history project educational duration. Calvert this overgrown page covers all kinds of vacuum tube electron devices, especially receiving tubes. Another thought on the general topic of tuberelated reading.
The truth is there are a lot of tubes still filling important roles daily in the amateur radio world. Shot noise in schottkys vacuum tube is classical c. Numbers for early versions include ux201a and cx301a long pins, push in socket and uv201a stub pins, bayonet socket. Manufactures, tube markings, and years of manufacture are supplied for a great many tubes of this era. February 2018 new and newoldstock tubes page 3 type price type price type price type price type price 3cy33db3 3. One of the major ways in which cathodes can be categorised is by the way they are heated. Contains hundreds of photos and essential facts to assist in identifying tubes made prior to 1930. The terms electron tubes and vacuum tubes are used interchangeably to refer to a tube in which a flow of current takes place in an enclosed space. Vacuum tube valley vtv was a magazine produced by charlie c. The first vacuum tube was not made until the beginning of the 20th century, but the foundations for its discovery were laid many years before. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Slightly more in depth is an understanding of a tube s operating parameters and expected values in a given circuit. List of vacuum tubes numbered tubes tubes used in 1920s. Miniature vacuum tubes with cathodes of highfieldemitting carbon nanotubes are.
The magnetron is the type of tube used in all microwave ovens. The first computers were vacuum tube based and took up rooms while vacuum tubes are considered outdated by most of the world they are still used in several key areas. Oftentimes i see postings in the radio newsgroups from people that are not sure if, for example, the globe type cx301a is equivalent to the generic type 01a. A vacuum tube is one from which the air has been removed to form a partial vacuum. This book is the outgrowth of a course in vacuumtube design given for many years at stanford university to senior and graduate students in electrical engineering. Saga of the vacuum tube by gerald f j tyne abebooks. Tube 01a or rohre 01a id3654, triode, vacuum, uxbase 4 pins 2 thick, usa 1924, ux and universal shown. Calvert this overgrown page covers all kinds of vacuumtube electron devices, especially receiving tubes. This is an overview of the known italian vacuum tube manufacturers. This brief article is intended to provide a very basic introduction to. Tyne, gerald, saga of the vacuum tube, ziff publishing, 1943, reprint 1994 prompt publications, pp. Tubes were the first widespread method of controlling electrical signals without moving parts. The basic principles of vacuum tube device operation are presented including the functional properties of common device topologies.
Basic theory and application of electron tubes dep. Chapter 14 vacuum tube receivers and transmitters the transmitter described in this chapter uses the most ancient vacuum tube technology i could, while still sounding pretty good on the air. As one who grew up through the early days of the vacuum tube, and in the writing of a book covering, in part, that history, i though it was high time to read the famous and authorative tyne book. The period saw the proliferation of tube manufacturers and brand names on a much larger scale than that of the. Valve types and characteristics eddystone user group. The period saw the proliferation of tube manufacturers and brand. As the frequency of operation increases and the physical size of the tube structure becomes large with respect to this frequency, the drive power requirements also will increase. Some of this material is general and applies as much to hifi circuits as to guitar amps, but some of it is very.
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