BS 9612 N019-1979
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
振荡器用电阻焊接密封石英晶体元件详细规范 DN、DZ、DQ和DP外壳 频率范围为17至75 MHz 第三泛音厚度剪切模式 切割时 用于窄温度范围内的操作（温度控制） 全面评估水平
1979-04-15
BS 9612 N021-1979
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
振荡器用电阻焊接密封石英晶体元件详细规范 DN、DZ、DQ和DP外壳 频率范围为50至125 MHz 第五泛音厚度剪切模式 切割时 用于窄温度范围内的操作（温度控制） 全面评估水平
1979-04-15
BS 9612 N020-1979
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 wide temperature ranges (non-temperature controlled). Full assessment level
振荡器用电阻焊接密封石英晶体元件详细规范 DN、DZ、DQ和DP外壳 频率范围为50至125 MHz 第五泛音厚度剪切模式 切割时 适用于宽温度范围（非温度控制）的操作 全面评估水平
1979-04-15
BS 9612 N018-1979
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 wide temperature ranges (non-temperature controlled). Full assessment level
振荡器用电阻焊接密封石英晶体元件详细规范 DN、DZ、DQ和DP外壳 频率范围为17至75 MHz 第三泛音厚度剪切模式 切割时 用于宽温度范围（非温度控制）的操作 全面评估水平
1979-04-15
BS 9612 N017-1979
Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 0.8 to 20 MHz and 3.0 to 30 MHz frequency ranges. Fundamental thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full assessment level
振荡器用电阻焊接密封石英晶体元件详细规范 DN、DZ、DQ和DP外壳 频率范围为0.8至20 MHz和3.0至30 MHz 基本厚度剪切模式 切割时 用于窄温度范围内的操作（温度控制） 全速
1979-04-15
BS 9612 N016-1979
Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 0.8 to 20 MHz and 3.0 to 30 MHz frequency ranges. Fundamental thickness-shear mode, AT-cut, for operation over wide temperature ranges (non-temperature controlled). Full assessment level
振荡器用电阻焊接密封石英晶体元件详细规范 DN、DZ、DQ和DP外壳 频率范围为0.8至20 MHz和3.0至30 MHz 基本厚度剪切模式 切割时 适用于宽温度范围（非温度控制）的操作 完全一样
1979-04-15