BS EN 60689:2009
Current
The latest, up-to-date edition.
Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values
Hardcopy , PDF
English
30-04-2009
1 Scope
2 Normative references
3 Overview
3.1 General
3.2 Applied frequency range
3.3 Measurement method
3.4 Load capacitance
3.5 Recommended drive level
3.6 Measurement conditions
3.7 Measurement of frequency-temperature
characteristics
3.8 Load capacitance frequency characteristics
4 Measurement methods
4.1 Method A
4.1.1 Vector network analyzer/vector impedance
analyzer
4.1.2 Block diagram
4.1.3 Specifications for vector network
analyzer/vector impedance analyzer
4.1.4 Test fixture
4.1.5 Measurement of equivalent circuit
constants
4.1.6 Frequency pulling
4.2 Method B
4.2.1 General
4.2.2 Block diagram
4.2.3 Calibration
4.2.4 Procedure
5 Measurement conditions
5.1 General
5.2 Measurement conditions
5.3 Measurement of the frequency-temperature
dependence
5.3.1 General
5.3.2 Block diagram
5.3.3 Determination of the turnover point and
parabolic coefficient beta (standard
reference method)
5.3.4 Measurement of the frequency versus
temperature characteristics (mass
production method)
5.3.5 Frequency C[L] curve
6 Test and environmental examination
6.1 Application of the definition of IEC 60122-1
6.2 Magnetism - Influence of a magnetic field on
the frequency
6.3 Enclosure
6.4 Measuring conditions and electric performance
6.4.1 General
6.4.2 Measurement conditions
6.4.3 Standard values
Bibliography
Annex ZA (normative) - Normative references to
international publications with their
corresponding European publications
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