DIN EN 60444-3:1997-10
Действует
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 parallel capacitance C<(Index)o> (IEC 60444-3:1986); German version EN 60444-3:1997
— 12 стр.