Moldova standards PDF
Measurement of quartz crystal unit parameters by zero phase technique in a pi-network - Part 1- Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a pi-network. CEI/IEC 444-1-1986. Original standard IEC 60444-1-1986 in PDF full version. Additional info + preview on request
Document status: Active
Amendment 1 - Measurement of quartz crystal unit parameters by zero phase technique in a pi-network. Part 1- Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a pi-network. Original standard IEC 60444-1-1986 amd1-1999 in PDF full version. Additional info + preview on request
Document status: Active
Measurement of quartz crystal unit parameters - Part 11- Standard method for the determination of the load resonance frequency fL and the effective load capacitance CLeff using automatic network analyzer techniques and error correction. IEC 60444-11-2010. Original standard IEC 60444-11-2010 in PDF full version. Additional info + preview on request
Document status: Replaced by St IEC 60444-11-2026
Measurement of quartz crystal unit parameters by zero phase technique in a pi-network. Part 2- Phase offset method for measurement of motional capacitance of quartz crystal units. CEI/IEC 60444-2-1980. Original standard IEC 60444-2-1980 in PDF full version. Additional info + preview on request
Document status: Active
Measurement of quartz crystal units parameters - Part 5- Methods for the determination of equivalent electrical parameters using automatic network analyzer techniques and error correction. CEI/IEC 444-5-1995. Original standard IEC 60444-5-1995 in PDF full version. Additional info + preview on request
Document status: Active
Measurement of quartz crystal unit parameters - Part 6- Measurement of drive level dependence (DLD). IEC 60444-6-2021-09(en-fr). Original standard IEC 60444-6-2021 in PDF full version. Additional info + preview on request
Document status: Active