Piezoelectric ceramic resonators and resonator units for frequency control and selection - Chapter I: Standard values and conditions - Chapter II: Measuring and test conditions
用于频率控制和选择的压电陶瓷谐振器和谐振器单元 - 第一章:标准值和条件 - 第二章:测量和测试条件
Establishes uniform conditions for assessing the mechanical and climatic properties of ceramic resonators, describes test methods, gives recommendations for standard values and gives guidance for the use of such resonators.