MEASUREMENT AND TEST METHODS FOR TUNING FORK QUARTZ CRYSTAL UNITS IN THE RANGE FROM 10 KHZ TO 200 KHZ AND STANDARD VALUES
International Electrotechnical Committee
FOREWORD
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
Applicable to measurements and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values for frequency control and selection.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 49 |
