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1、BRITISH STANDARD BS 4727-1: Group 06: 1973 Glossary of Electrotechnical, power, telecommunication, electronics, lighting and colour terms Part 1: Terms common to power, telecommunications and electronics Group 06: Electronic tube terminology UDC 001.4:621.3 + 628.9 + 535 + 001.4:621.383 + 621.385 +
2、621.387 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 30 05:55:34 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 4727-1:Group 06:1973 This British Standard, having been approved by the Electrical Industry Standards Committee, was published under the authority of the Executive Board on 12 June 1
3、973 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference ELE/TLE/1, ELE/TLE/1/29 Draft for comment 71/20191 ISBN 0 580 07523 0 Co-operating organizations The Electrical Industry Standards Committee and the Telecommunication Industry Standards Committee un
4、der whose supervision this British Standard was prepared consists of representatives from the following Government departments and scientific and industrial organizations: Associated Offices Technical CommitteeElectronic Valve and Semi-conductor Association of Consulting Engineers*Manufacturers Asso
5、ciation* Association of Manufacturers of DomesticEngineering Equipment Users Association Electrical AppliancesInstitution of Electrical Engineers* Association of Mining Electrical andInstitution of Electrical and Electronic Mechanical EngineersTechnicians Engineers Association of Supervisory and Exe
6、cutiveInstitution of Electronic and Radio Engineers* EngineersInstitution of Production Engineers British Broadcasting Corporation*Lighting Industry Federation Limited British Electrical and Allied ManufacturersMinistry of Defence (Procurement Executive)* Association*Ministry of Defence (Directorate
7、 of British Radio Equipment ManufacturersStandardization) Association*Ministry of Defence, Army Department British Radio Valve ManufacturersMinistry of Defence, Navy Department Association*National Inspection Council for Electrical British Railways Board*Installation Contracting British Steel Corpor
8、ationNational Physical Laboratory (Department of Cable and Wireless LimitedTrade and Industry) Crown Agents for Oversea Governments andOil Companies Materials Association AdministrationsPost Office* Department of EmploymentRadio and Electronic Component Department of the Environment*Manufacturers Fe
9、deration Electric Cable Makers ConfederationRelay Services Association of Great Britain Electrical Contractors AssociationScience Research CouncilRadio and Space (Incorporated)Research Station* Electrical Contractors Association of ScotlandScientific Instrument Manufacturers Electrical Research Asso
10、ciationAssociation Electricity Council, the Central ElectricitySociety of British Aerospace Companies Generating Board and the Area Boards inSouth of Scotland Electricity Board England and Wales*Telecommunication Engineering and Electronic Engineering Association*Manufacturing Association* The Gover
11、nment departments and scientific and industrial organizations marked with an asterisk in the above list, together with the following, were directly represented on the committee entrusted with the preparation of this British Standard. Institute of Physics and the Physical SocietyRadio and Electronics
12、 Technical Press Amendments issued since publication Amd. No.Date of issueComments Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 30 05:55:34 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 4727-1:Group 06:1973 BSI 10-1999i Contents Page Co-operating organizationsInside front cover Forewordii Gui
13、de to the glossaryiv 106 1General1 106 11 General tube classification1 106 12 Emission and space charge1 106 13 Discharge in a gas2 106 14 Beam focusing and deflection3 106 15 Tube noise4 106 16 Current, voltage and power5 106 17 General properties other than current, voltage and power6 106 18 Chara
14、cteristics and conditions of operation7 106 2Construction9 106 21 Electrodes (general), elements and emitting electrodes9 106 22 Controlling and collecting electrodes10 106 23 Structure (envelope etc.)11 106 3Types of tube12 106 31 Space-charge-controlled tubes and diodes12 106 32 Cathode-ray and st
15、orage tubes13 106 33 Photo sensitive tubes14 106 34 Gas-filled tubes14 106 4Properties and quantities15 106 41 Space-charge-wave tubes15 106 42 Cathode ray tubes15 106 43 Storage tubes16 106 44 General properties of photosensitive tubes16 106 45 Gas-filled tubes other than radiation-counter tubes16
16、106 46 Radiation counter tubes18 Alphabetical index19 Publications referred toInside back cover Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 30 05:55:34 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 4727-1:Group 06:1973 ii BSI 10-1999 Foreword This Group of Part 1 of this British Standard Glo
17、ssary, prepared under the authority of the Electrical Industry Standards Committee and the Telecommunication Industry Standards Committee, contains terms and definitions relating to electronic tubes other than microwave tubes, and supersedes Sub-section 21 of BS 204:1960. The terms and definitions a
18、re in close agreement with those of the Third Edition of the International Electrotechnical Vocabulary. In this new glossary a number of significant changes have been introduced. It has been decided to combine into one glossary the subjects previously covered by BS 204, BS 205, BS 233 and BS 1611 gl
19、ossaries. The glossary is divided into four main parts, each of which is further subdivided into groups. Each group will comprise the terms and definitions used in a particular branch of electrical engineering, and will be issued individually as soon as it is completed. This arrangement makes it pos
20、sible to add new groups, or revise existing groups, at any time without affecting the remainder of the glossary. The four main Parts of the glossary are as follows: Part 1: Terms common to power, telecommunications and electronics; Part 2: Terms particular to power engineering; Part 3: Terms particu
21、lar to telecommunications and electronics; Part 4: Terms used in lighting. As groups of terms within the new framework are published, the corresponding parts of the relevant British Standards will be withdrawn so that ultimately the new glossary will replace them completely. General and fundamental
22、terms common to power, telecommunications and electronics form the first two Groups of Part 1. General terms particular to Part 2 and Part 3 similarly form the first group to these Parts. The specialist groups contain only the terms and definitions relating to their subject. As far as possible all t
23、erms and definitions established in current usage and within the scope of this glossary have been included. Experience has shown that it is rarely possible to replace or even modify a well established term no matter what the logical or aesthetic shortcomings of that term may be. Current usage has th
24、erefore been accepted as the authority for terms and their meanings. In use terms have only been altered when they were considered fundamentally wrong, ambiguous, superfluous or in need of standardization. Where two or more synonymous terms are in use, deprecated synonyms are omitted from the body o
25、f the text but are placed in the index with a cross-reference to the standard term. Where it was felt that the time was not yet ripe to deprecate a synonym, the preferred term is given first and the other term(s) printed in less prominent type to indicate the intention to deprecate it (them) in the
26、course of time. Where synonyms are considered of equal value they are shown in the same type. Where terms are used with somewhat different meanings in different branches of electrical engineering, appropriate definitions are given in the groups of the glossary corresponding to these branches. Such a
27、 definition when taken out of context of its group should always be quoted with a preamble indicating its proper context. It is to be noted that the given definition of a term represents the generally accepted meaning of that term. Under no circumstances should it be regarded as taking the place of
28、a specification. An effort has been made to arrange the terms in a logical order proceeding from the general to the specific and from the whole to the part and placing allied terms in proximity within a subsection or section of the group. Each term has assigned to it a Part number (one digit) and a
29、Group number of two digits followed by a space and four digits, the first digit of which represents the section, the second digit the subsection and the last two digits the place within the subsection. Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 30 05:55:34 GMT+00:00 2006, Uncontrolled Copy,
30、 (c) BSI BS 4727-1:Group 06:1973 BSI 10-1999iii A general view of the arrangement of the group in the glossary is obtained from the Guide to the Glossary. An alphabetical index of the terms of the group is provided at the end to assist reference to particular terms. For simplicity, only the last fou
31、r digits of a terms number are quoted in the index. It is recommended that the user of any group of the glossary should consider the group in association with the groups covering general or fundamental terms within the part for Parts 2 and 3, and also together with Groups 01 and 02 of Part 1. In thi
32、s glossary, round brackets ( ) enclose words or phrases which are not part of the term or definition and can be omitted without affecting the meaning. Square brackets enclose words which may replace a preceding part of an expression. NOTEThe titles of the British Standards referred to in this standa
33、rd are listed on the inside back cover. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. S
34、ummary of pages This document comprises a front cover, an inside front cover, pages i to iv, pages 1 to 22, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside
35、 front cover. Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 30 05:55:34 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 4727-1:Group 06:1973 iv BSI 10-1999 Guide to the glossary Part 1: Terms common to power, telecommunications and electronics Group 01 . Fundamental concepts Group 02 . General t
36、echnological terminology Group 03 . Relay terminology Group 04 . Measurement terminology Group 05 . Semiconductor terminology Group 06. Electronic tube terminology Group 07 . Magnetism terminology Group. Radiological terminologya Group. Radio interference terminologya Group. Integrated electronic ci
37、rcuit terminologya Titles to any further groups will be added in due course. Part 2: Terms particular to power engineering Group 01.General power terminology Group 02.Static convertor terminology Group 03.Rotating machinery terminology Group 04.Transformer terminologya Group 05.Voltage fluctuation t
38、erminologya Group 06.Switchgear and controlgear terminology (including fuse terminology) Group 07.Tariffs terminologya Group.Power systems terminologya Group.Systems operation terminologya Group.Traction terminologya Titles to any further groups will be added in due course. Part 3: Terms particular
39、to telecommunications and electronics Group 01.General telecommunication and electronics terminology Group 02.Telephony terminology Group 03.Telegraphy, including facsimile, terminology Group 04.Broadcasting, radio and television terminology Group 05.Propagation and media terminology Group 06.Radio
40、location and navigation terminology Group 07.Radiocommunication terminology Group 08.Electro-acoustics terminologya Titles to any further groups will be added in due course. Part 4: Terms particular to lighting and colour Group 01.Radiation and photometry terminology Group 02.Vision and colour termi
41、nology Group 03.Lighting technology terminology a Not yet published, as at May 1973. Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 30 05:55:34 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 4727-1:Group 06:1973 BSI 10-19991 106 12 Emission and space charge No.TermDefinition 106 1 General 106 11
42、 General tube classification 106 1101electronic tubeA device in which conduction takes place by the movement of electrons or ions between electrodes through a vacuum or gaseous medium within a gas-tight envelope. NOTEA device which conforms with the above definition but is used only for fighting is
43、called a lamp. 106 1102vacuum tubeA tube evacuated to such a degree that any residual gas or vapour has negligible effect on its electrical characteristics. 106 1103electron beam tubeA tube in which the performance depends on the formation and control of one or more electron beams. 106 1104gas-fille
44、d tubeA tube in which the electrical characteristics are substantially established by the ionization of deliberately introduced gas or vapour. 106 1105voltage reference tube A voltage stabilizing tube designed to have a constant maintaining voltage with time at fixed values of current and temperatur
45、e. 106 1201electron emissionThe liberation of electrons from a surface into the surrounding space. 106 1202work functionOf an electrode material. The energy required for the removal, to infinity, of an electron initially at the Fermi level. 106 1203contact potential difference The difference between
46、 the work functions of two materials, divided by the elementary charge of the electron. 106 1204thermionic emissionElectron emission caused solely by the temperature of the electrode. 106 1205photo-electric emission Electron emission caused directly by incident radiant energy. 106 1206field emission
47、Electron emission caused solely by the presence of an electric field. 106 1207primary electron emission Thermionic, photo-electric or field emission of electrons. 106 1208secondary emissionElectron emission caused solely by bombardment by electron or ions. 106 1209secondary emission factor; The rati
48、o of the number of secondary electrons to the number of incident electrons or ions. SECONDARY EMISSION RATIO 106 1210thermionic emission efficiency The quotient of the saturation thermionic emission current by the heating power absorbed by the cathode. 106 1211Schottky effectThe increase in output c
49、urrent from a cathode caused by the lowering of the work function with increase of applied field. 106 1212space chargeThe net electric charge due to electrons and ions in a region of space. 106 1213saturation stateThe state of operation of a tube in which the cathode current exceeds the maximum space-charge-limited current at a stated cathode temperature. 106 1214equivalent diodeAn imaginary diode consisting of an identical cathode to that of the tube and a virtual anode to which is applied such a voltage that the cathode current in the imaginary di