BS-9612-N021 › Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 50 to 125 MHz frequency range. Fifth 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, 50 to 125 MHz frequency range. Fifth overtone thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full assessment level
Keywords
Resistance welding;Frequencies;Inspection;Resonant frequency;Assessed quality;Crystal resonators;Electrical properties and phenomena;Quality assurance systems;Ratings;Performance;Volume;Quality control;Resonators;Dielectric devices;Piezoelectric devices;Temperature;Electronic equipment and components;Statistical quality control;Electrical tolerances;Working range;Environment (working);Oscillators;Qualification approval;Electrical resistance;Welding;Capacitance;Rated power;Dimensions;Temperature control;Approval testing;Testing conditions
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31.140 (Piezoelectric devices)
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Document Number
BS 9612 N021:1979
Revision Level
1979 EDITION
Status
Superseded
Publication Date
April 15, 1979
Page Count
12
ISBN
0580107221
Committee Number
W/-