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  • IEC 60689 Ed. 1.0 b:1980

IEC 60689 Ed. 1.0 b:1980

Measurements and test methods for 32 kHz quartz crystal units for wrist watches and standard values

International Electrotechnical Commission, 01/01/1980

Publisher: IEC

File Format: PDF

$43.00$87.00


Published:01/01/1980

Pages:33

File Size:1 file , 1.2 MB

Note:This product is unavailable in Ukraine, Russia, Belarus

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.

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