BS 9612 N019
79th Edition, April 15, 1979
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
Includes all amendments and changes through Reaffirmation Notice , October 15, 1985
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Description / Abstract:
Ratings, characteristics and inspection requirements.