IEC 60679-2 ED2 describes the general properties, performance characteristics and usage precautions for quartz crystal oscillators. This document mainly describes crystal oscillators, but some descriptions also apply to oscillators other than crystal units (e.g. MEMS resonators).
This edition includes the following significant technical changes with respect to the previous edition:
a) some new contents that reflect the latest manufacturing technologies;
b) added contents about the operating principle of crystal oscillators;
c) added contents about usage precautions for crystal oscillators.
PUBLISHED
IEC 60679-2:1981 ED1
PROJECT
IEC 60679-2 ED2
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
May 22, 2026
Piezoelectric, dielectric and electrostatic oscillators of assessed quality - Part 2: Guidelines for the use of oscillators
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
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