HD 60027-3 : 200S1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - PART 3: LOGARITHMIC AND RELATED QUANTITIES, AND THEIR UNITS
01-01-2007
12-01-2013
1 Scope
2 Normative references
3 Logarithmic quantities
4 Logarithmic ratios of field quantities and power
quantities
4.1 Logarithmic ratios of field quantities
4.2 Logarithmic ratios of power quantities
4.3 Levels
4.4 Additional information on logarithmic ratios of
field quantities and power quantities
5 Logarithmic information-theory quantities
6 Other logarithmic quantities
6.1 General
6.2 Logarithmic frequency interval
7 Names, symbols, and definitions
Applies to logarithmic quantities and units. Quantities that can be expressed as the logarithm of a dimensionless quantity, such as the ratio of two physical quantities of the same kind, can be regarded and treated in different ways. In many cases, differences do not affect practical treatment.
| Committee |
SR 25
|
| DevelopmentNote |
Supersedes HD 245.3 (02/2004) Supersedes UNE 21405-3. (02/2007)
|
| DocumentType |
Standard
|
| PublisherName |
European Committee for Standards - Electrical
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| DIN IEC 60027-3:2004-07 | Identical |
| IEC 60027-3:2002 | Identical |
| CEI 25-9 : 1ED 2005 | Identical |
| PN HD 60027-3 : 2006 | Identical |
| NEN HD 60027-3 : 2004 | Identical |
| I.S. HD 60027-3:2004 | Identical |
| HD 60027-2 : 200S1 | LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - PART 2: TELECOMMUNICATIONS AND ELECTRONICS |
| ISO 31-11:1992 | Quantities and units Part 11: Mathematical signs and symbols for use in the physical sciences and technology |
| ISO 31-0:1992 | Quantities and units Part 0: General principles |
| ISO 31-2:1992 | Quantities and units Part 2: Periodic and related phenomena |
| IEC 60027-2:2005 | Letter symbols to be used in electrical technology - Part 2: Telecommunications and electronics |
| ISO/IEC 2382-16:1996 | Information technology Vocabulary Part 16: Information theory |
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