石英晶体元件参数的测量 第4部分:频率达30MHz石英晶体元件负载谐振频率fL和负载谐振电阻RL的测量方法及其他导出参数的计算
Measurement of quartz crystal unit parameters Part 4:Method for the measurement of the load resonance frequency fL,load resonance resistance RL and the calculation of other derived values of quartz crystal units,up to 30 MHz