• EN 60444-4:1997

    Current The latest, up-to-date edition.

    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

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    Published date:  17-04-1997

    Publisher:  European Committee for Standards - Electrical

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    Table of Contents - (Show below) - (Hide below)

    Committees responsible
    National foreword
    Method
    1 Scope
    2 Measuring circuit
    3 Method of measurement
    Appendix
    A Recommendations regarding the use of load capacitors
    Figures
    A1 Typical load capacitor with carrier
    A2 Method of insertion of load capacitor into pi-network
    A3 Circuit diagram of pi-network including load
        capacitor C1
    A4 Load capacitance inaccuracy as a function of frequency,
        for a load capacitance of 30 pF inclusive of calibration
        inaccuracy and residual inductance effects (Worst case
        situation)
    A5 Relative measurement error of fL versus crystal
        pulling sensitivity for various frequencies at a load
        capacitance of 30 pF
    A6 Relative measurement error of R1 versus frequency, for
        various values of C1
    A7 Relative measurement error of Cl as a function of
        frequency
    A8 Relative measurement error of C1 as a function of
        C1 for various frequency measurement errors C0 =
        5 pF; CL1 = 15 pF; CL2 = 30 pF
    A9 Relative measurement error of C1 as a function of
        C1 for various values of quality factor Q C0 = 3 pF;
        CL1 = 15pF; CL2 = 30 pF
    Annex ZA (normative) Normative references to international
    publications with their corresponding European publications

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Committee CLC/SR 49
    Document Type Standard
    Product Note THIS STANDARD IS IDENTICAL TO IEC/TR 60444-4:1988.
    Publisher European Committee for Standards - Electrical
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    CEI EN 60122-1 : 2004 QUARTZ CRYSTAL UNITS OF ASSESSED QUALITY - PART 1: GENERIC SPECIFICATION
    EN 60444-11:2010 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
    BS EN 60444-11:2010 Measurement of quartz crystal unit parameters Standard method for the determination of the load resonance frequency ƒL and the effective load capacitance CLeff using automatic network analyzer techniques and error correction
    CEI EN 60444-11 : 2011 MEASUREMENT OF QUARTZ CRYSTAL UNIT PARAMETERS - PART 11: STANDARD METHOD FOR THE DETERMINATION OF THE LOAD RESONANCE FREQUENCY F[L] AND THE EFFECTIVE LOAD CAPACITANCE C[LEFF] USING AUTOMATIC NETWORK ANALYZER TECHNIQUES AND ERROR CORRECTION
    BS EN 60122-1 : 2002 QUARTZ CRYSTAL UNITS OF ASSESSED QUALITY - PART 1: GENERIC SPECIFICATION
    I.S. EN 60122-1:2002 AMD 1 2018 QUARTZ CRYSTAL UNITS OF ASSESSED QUALITY - PART 1: GENERIC SPECIFICATION
    I.S. EN 60444-11:2010 MEASUREMENT OF QUARTZ CRYSTAL UNIT PARAMETERS - PART 11: STANDARD METHOD FOR THE DETERMINATION OF THE LOAD RESONANCE FREQUENCY F[L] AND THE EFFECTIVE LOAD CAPACITANCE C[LEFF] USING AUTOMATIC NETWORK ANALYZER TECHNIQUES AND ERROR CORRECTION
    EN 60122-1:2002/A1:2018 QUARTZ CRYSTAL UNITS OF ASSESSED QUALITY - PART 1: GENERIC SPECIFICATION (IEC 60122-1:2002/A1:2017)
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