IEC - International Electrotechnical Commission - IEC 60689:1980
Measurements and test methods for 32 kHz quartz crystal units for wrist watches and standard values
revised
Buy Now
| Organization: | IEC - International Electrotechnical Commission |
| Publication Date: | 1 January 1980 |
| Status: | revised |
| Page Count: | 33 |
| ICS Code (Piezoelectric devices): | 31.140 |
abstract:
Applies to 32 kHz quartz crystal units for wrist watches. Gives methods of measurement of resonance frequency, resonance resistance, frequency-temperatur
Document History
November 27, 2008
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 applies to measurements and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values for frequency control and selection. This edition...
IEC 60689:1980
January 1, 1980
Measurements and test methods for 32 kHz quartz crystal units for wrist watches and standard values
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...