DIN EN 60689:2009 Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values (IEC 60689:2008); German version EN 60689:2009
IEC 60027 Letter Symbols to be used in electrical technology (Edition 4.0)
IEC 60122-1 Quartz crystal units of assessed quality – Part 1: Generic specification (Edition 3.1; Consolidated Reprint)*, 2017-12-01 Update
IEC 60122-3 Quartz crystal units of assessed quality - Part 3: Standard outlines and lead connections*, 2010-10-01 Update
IEC 60444 Measurement of quartz crystal unit parameters - Part 9: Measurement of spurious resonances of piezoelectric crystal units
IEC 60617 Graphical symbols for diagrams - 12-month subscription to regularly updated online database comprising parts 2 to 13 of IEC 60617*, 2012-05-31 Update
ISO 1000:1992 SI units and recommendations for the use of their multiples and of certain other units
DIN EN 60689:2009 history
2009DIN EN 60689:2009-08 Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values (IEC 60689:2008); German version EN 60689:2009
2009DIN EN 60689:2009 Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values (IEC 60689:2008); German version EN 60689:2009