标准号:IEC 60444-7-2004
中文标准名称:石英晶体元件参数的测量.第7部分:石英晶体元件的放射性和频率下降测量
英文标准名称:Measurement of quartz crystal unit parameters - Part 7: Measurement of activity and frequency dips of quartz crystal units
标准类型:L21
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:L21
国际标准分类号:31.140
适用范围:Describes the procedure for measuring and evaluating activity and frequency dips for quartz crystal units over a temperature range.