IEC 60689:1980
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Measurements and test methods for 32 kHz quartz crystal units for wrist watches and standard values
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
31-12-2021
English - French, Russian
01-01-1980
Important note : Users cannot be edited or removed once added to your Multi user PDF.Applies to 32 kHz quartz crystal units for wrist watches. Gives methods of measurement of resonance frequency, resonance resistance, frequency-temperature dependence and frequency pulling. Lays down test methods in accordance with IEC 68-2-6, 68-2-20, 68-2-21 and 68-2-27.
| Committee |
TC 49
|
| DocumentType |
Standard
|
| Pages |
33
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy |
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