Measurement of quartz crystal unit parameters - Measurement of drive level dependence (DLD)
Measurement of quartz crystal unit parameters - Measurement of drive level dependence (DLD)
What is BS EN 60444-6 - Drive level dependence (DLD) about?
BS EN 60444-6 is the sixth part of an international standard used for the Measurement of quartz crystal unit parameters. BS EN 60444-6 specifies the measuring methods for drive level dependence (DLD) that results in manufacturing good quality quartz crystal units. BS EN 60444-6 applies to the measurements of drive level dependence (DLD) of quartz crystal units. Two test methods (A and C) and one referential method (B) are described. “Method A”, based on the π-network according to IEC 60444-1, can be used in the complete frequency range covered by this part of IEC 60444. “Reference Method B”, based on the π- network or reflection method according to IEC 60444-1, IEC 60444-5, or IEC 60444-8 can be
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