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EN 60444-4:1997

Measurement of quartz crystal unit parameters by zero phase technique in a pi-network - Part 4: Method for the measurement of the load resonance frequency fL, load resonance resistance RL and the calculation of other derived values of quartz crystal units, up to 30 MHz EN 60444-4:1997

Publication date:   Nov 20, 2003

General information

90.93   Standard confirmed   Jun 29, 2026

CENELEC

CLC/SR 49 Piezoelectric and dielectric devices for frequency control and selection

European Norm

31.140   Piezoelectric devices

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Scope

Specifies a simple method of measuring load resonance frequency. The method uses the change in resonance frequency which occurs when a load capacitance is inserted in series with the crystal unit.

Life cycle

NOW

PUBLISHED
EN 60444-4:1997
90.93 Standard confirmed
Jun 29, 2026

Relations

Adopted from IEC/TR 60444-4:1988 IDENTICAL




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