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EN 60027-2:2007

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Letter symbols to be used in electrical technology - Part 2: Telecommunications and electronics
Superseded date

11-04-2019

Published date

25-04-2007

1 Scope
2 Normative references
3 General concepts
  3.1 General
  3.2 Linear networks
       3.2.1 General
       3.2.2 Two-port linear networks under sinusoidal conditions
       3.2.3 n-port linear networks under sinusoidal conditions
  3.3 Line transmission of signals and telephony
       3.3.1 General
       3.3.2 Line transmission
       3.3.3 Subscripts for line transmission
       3.3.4 Telephony
       3.3.5 Subscripts for telephony
  3.4 Waveguide propagation
       3.4.1 Frequency and wavelength in a waveguide
       3.4.2 Characteristic and normalized impedance and admittance
             in general (unbounded space, waveguide or transmission
             line)
       3.4.3 Impedance and admittance at a point in a substance
       3.4.4 Impedance and admittance at a point in vacuum
       3.4.5 Impedance and admittance of a waveguide
  3.5 Radiocommunications
       3.5.1 General
       3.5.2 General and tropospheric propagation
       3.5.3 Ionospheric propagation
       3.5.4 Antennas
       3.5.5 Radio links
  3.6 Optical fibre communication
  3.7 Television
  3.8 Data processing and data transmission
       3.8.1 Teletraffic
       3.8.2 Data processing and digital transmission
       3.8.3 Prefixes for binary multiples
  3.9 Information theory
  3.10 Dependability
  3.11 Equivalent circuits of piezoelectric crystal units
  3.12 Semiconductor devices
  3.13 Electroacoustics
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Defines rules for the use and writing of letter symbols for telecommunications and electronics.

Committee
CLC/SR 25
DevelopmentNote
Supersedes HD 60027-2. (06/2007)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Superseded
SupersededBy
Supersedes

CEI EN 60027-7 : 2011 LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - PART 7: POWER GENERATION, TRANSMISSION AND DISTRIBUTION
CEI EN 60027-6 : 2008 LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - PART 6: CONTROL TECHNOLOGY
CEI EN 61310-2 : 2008 SAFETY OF MACHINERY - INDICATION, MARKING AND ACTUATION - PART 2: REQUIREMENTS FOR MARKING
VDI/VDE 3519 Blatt 1:2002-10 Level measurement of liquids and solids (bulk solids)
I.S. EN 60027-6:2007 LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - PART 6: CONTROL TECHNOLOGY
I.S. EN 61310-2:2008 SAFETY OF MACHINERY - INDICATION, MARKING AND ACTUATION - PART 2: REQUIREMENTS FOR MARKING
BS EN 61310-2:2008 Safety of machinery. Indication, marking and actuation Requirements for marking
BS EN 60027-6:2007 Letter symbols to be used in electrical technology Control technology
I.S. EN 60027-7:2010 LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - PART 7: POWER GENERATION, TRANSMISSION AND DISTRIBUTION
EN 60027-6:2007 Letter symbols to be used in elecrical technology - Part 6: Control technology
BS EN 60027-7:2010 Letter symbols to be used in electrical technology Power generation, transmission and distribution
EN 60027-7:2010 Letter symbols to be used in electrical technology - Part 7: Power generation, transmission and distribution
EN 61310-2:2008 Safety of machinery - Indication, marking and actuation - Part 2: Requirements for marking

IEC 60050-713:1998 International Electrotechnical Vocabulary (IEV) - Part 713: Radiocommunications: transmitters, receivers, networks and operation
IEC 60050-351:2013 International Electrotechnical Vocabulary (IEV) - Part 351: Control technology
IEC 60050-131:2002 International Electrotechnical Vocabulary (IEV) - Part 131: Circuit theory
EN 60375:2003 Conventions concerning electric and magnetic circuits
IEC 60050-702:1992 International Electrotechnical Vocabulary (IEV) - Part 702: Oscillations, signals and related devices
IEC 60050-731:1991 International Electrotechnical Vocabulary (IEV) - Part 731: Optical fibre communication
EN 60027-3 : 2007 Letter symbols to be used in electrical technology - Part 3: Logarithmic and related quantities, and their units
IEC 60050-721:1991 International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communication
IEC 60050-722:1992 International Electrotechnical Vocabulary (IEV) - Part 722: Telephony
IEC 60050-704:1993 International Electrotechnical Vocabulary (IEV) - Part 704: Transmission
EN 60027-1:2006/A2:2007 LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - PART 1: GENERAL
ISO 31-11:1992 Quantities and units Part 11: Mathematical signs and symbols for use in the physical sciences and technology
IEC 60027-1:1992 Letters symbols to be used in electrical technology - Part 1: General
ISO 31-0:1992 Quantities and units Part 0: General principles
IEC 60050-101:1998 International Electrotechnical Vocabulary (IEV) - Part 101: Mathematics
IEC 60375:2003 Conventions concerning electric and magnetic circuits
IEC 60050-715:1996 International Electrotechnical Vocabulary (IEV) - Part 715: Telecommunication networks, teletraffic and operation
IEC TR 61931:1998 Fibre optic - Terminology
IEC 60027-3:2002 Letter symbols to be used in electrical technology - Part 3: Logarithmic and related quantities, and their units
IEC 61703:2016 Mathematical expressions for reliability, availability, maintainability and maintenance support terms
IEC 60050-726:1982 International Electrotechnical Vocabulary (IEV) - Part 726: Transmission lines and waveguides
IEC 60122-1:2002 Quartz crystal units of assessed quality - Part 1: Generic specification
ISO/IEC 2382-16:1996 Information technology Vocabulary Part 16: Information theory
IEC 60050-705:1995 International Electrotechnical Vocabulary (IEV) - Part 705: Radio wave propagation
IEC 60050-712:1992 International Electrotechnical Vocabulary (IEV) - Part 712: Antennas
IEC 60050-723:1997 International Electrotechnical Vocabulary (IEV) - Part 723: Broadcasting: Sound, television, data
EN 61703:2016 Mathematical expressions for reliability, availability, maintainability and maintenance support terms
IEC 60050-725:1994 International Electrotechnical Vocabulary (IEV) - Part 725: Space radiocommunications

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