NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

DIN IEC 60444-4 [Withdrawn] references following documents:

Document number Edition Title
IEC 60122-2 1983 Quartz crystal units for frequency control and selection. Part 2 : Guide to the use of quartz crystal units for frequency control and selection More 
IEC 60444-1 1986 Measurement of quartz crystal unit parameters by zero phase technique in a π-network; part 1: basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a π-network More 
IEC 60444-2 1980 Measurement of quartz crystal unit parameters by zero phase technique in a π-network; part 2 : phase offset method for measurement of motional capacitance of quartz crystal units More