BS EN 60679-4:1998
Current
The latest, up-to-date edition.
Quartz crystal controlled oscillators of assessed quality Sectional specification. Capability approval
Hardcopy , PDF
English
15-05-1998
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1 General
1.1 Scope
1.2 Normative references
2 Preferred values for ratings and guidance on detail
specifications
2.1 Preferred values for ratings and characteristics
2.2 Information to be prescribed in detail
specifications
3 Capability approval
3.1 Eligibility for capability approval
3.2 Structural similarity
3.3 Procedures for capability approval
3.4 Capability manual
3.5 Capability qualifying components (CQC)
3.6 Inspection requirements for CQCs
3.7 Programme for capability approval
3.8 Capability approval report
3.9 Abstract of description of capability approval
3.10 Modifications likely to affect the capability
approval
3.11 Initial capability approval
3.12 Maintenance of capability approval
3.13 Rework and repair work
3.14 Quality conformance inspection
3.15 Screening procedures
4 Test and measurement procedures
Tables
1 Test schedule for initial capability approval
2 Periodic tests for maintenance of capability approval
Figures
1 Selection of CQCs - All methods of construction
2 Test plan for deposition for electrode material CQCs
3 Test plan for bonding CQCs
4 Test plan for component assembly CQCs
5 Test plan for alignment of CQCs
6 Test plan for enclosures of CQCs
7 Test plan for mounting CQCs
8 Test plan for frequency, input, output and temperature
range CQCs
9 Test plan for frequency/load coefficient, frequency/
voltage coefficient, external frequency adjustment
and FM characteristics CQCs
10 Test plans for climatic performance CQCs
11 Test plan for frequency ageing CQCs
Annexes
A Example of layout of an abstract of description of
capability approval
B Layout of the front page of a CQC specification for
process control
C Layout of the front page of a CQC specification to
demonstrate a boundary or limit
ZA (normative) Normative references to international
publications with their corresponding European
publications
Applicable to quartz crystal controlled oscillators as custom built products or as standard catalogued items, where the quality is assessed on the basis of capability approval. Gives the preferred ratings and characteristics, together with appropriate tests and measuring procedures in IEC 60679-1, and gives the general performance requirements for use in detail specifications for quartz crystal controlled oscillators.
| Committee |
W/-
|
| DevelopmentNote |
Supersedes BS EN 169100 which remains current. Supersedes 96/205982 DC. (10/2004) Also numbered as IEC 60679-4. (12/2005)
|
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN 60679-4:1998 | Identical |
| SN EN 60679-4 : 1998 | Identical |
| NBN EN 60679-4 : 1998 | Identical |
| DIN EN 60679-4:1998-11 | Identical |
| NF EN 60679-4 : 1999 | Identical |
| IEC 60679-4-1:1998 | Quartz crystal controlled oscillators of assessed quality - Part 4-1: Blank detail specification - Capability approval |
| IEC 61178-1:1993 | Quartz crystal units - A specification in the IEC Quality Assessment System for Electronic Components (IECQ) - Part 1: Generic specification |
| IEC 60679-1:2017 | Piezoelectric, dielectric and electrostatic oscillators of assessed quality - Part 1: Generic specification |
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