Revidiran
Explains the test fixture that allows the accurate measurement of resonance frequency, resonance resistance, and equivalent electrical circuit parameters of a leadless surface mounted quartz crystal units over the frequency range from 1 MHz to 150 MHz using zero phase technique as specified in IEC 60444-4 and IEC 60444-5.
POVUČEN
IEC PAS 62277:2001 ED1
POVUČEN
IEC 60444-8:2003 ED1
99.60
Povlačenje stupilo na snagu
15. 12. 2016.
OBJAVLJEN
IEC 60444-8:2016 ED2