DIN EN 60444-3:1997
用π型网络零相位技术测量石英谐振器参数.第3部分:用与并联电容量Co补偿相连的π网络相位技术测量不超过200MHz的石英谐振器的两极参数的方法
Measurement of quartz crystal unit parameters by zero phase technique in a pi-network - Part 3: Basic method for the measurement of two-terminal parameters of quartz crystal units up to 200 MHz by phase technique in a pi-network with compensation of the p