BS-9612-N019 › Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 17 to 75 MHz frequency range. Third overtone thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full assessment level
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Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 17 to 75 MHz frequency range. Third overtone thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full assessment level
Keywords
Electronic equipment and components;Volume;Crystal resonators;Resonant frequency;Inspection;Resonators;Temperature control;Statistical quality control;Dimensions;Frequencies;Quality control;Electrical resistance;Electrical tolerances;Welding;Approval testing;Working range;Resistance welding;Testing conditions;Qualification approval;Environment (working);Oscillators;Performance;Capacitance;Temperature;Piezoelectric devices;Quality assurance systems;Assessed quality;Rated power;Electrical properties and phenomena;Dielectric devices;Ratings
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31.140 (Piezoelectric devices)
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Document Number
BS 9612 N019:1979
Revision Level
1979 EDITION
Status
Superseded
Publication Date
April 15, 1979
Page Count
12
ISBN
0580107248
Committee Number
W/-