NBN EN 60444-5 : 1997

Committees responsible
National foreword
Methods
1 Scope
2 Introduction
3 Measurement procedures
4 Choice of admittance measurement method
5 Calibration techniques
6 Low-frequency measurements
7 Admittance analysis and estimation of the equivalent
    circuit parameters
8 Measurement errors, instrumentation and test fixtures
Annexes
A (normative) Calibration
B (informative) Low-frequency measurement
C (informative) Bibliography
Figures
1 Measurement sequence
2 Measurement methods, admittance analysis and parameter
    estimation techniques
3 One-port equivalent circuit of a single-mode quartz
    crystal unit
4 Two-port equivalent circuit of a single-mode quartz
    crystal unit
5 Admittance and impedance circle of a quartz crystal
    unit for frequencies near an isolated mode of vibration
6 General one-port equivalent circuit for multiple
    resonance
7 Two-port equivalent circuit for multiple resonances
8 Procedure for the determination of the equivalent
    circuit parameters of a quartz crystal unit
9 Calibration verification for S-parameter measurement
10 APC-3.5 Transmission fixture
11 APC-7 Transmission fixture
12 APC-7 Reflection fixture
13 APC-3.5 One-port fixture
14 APC 3.5 Two-port fixture
15 Direct transmission measurement fixture
    A.1 Simplified one-port network analyzer
    A.2 Simplified two-port, three-channel network analyzer
    A.3 Signal flowgraph representation for proposed
          12-term error model
    A.4 Typical direct transmission system
    A.5 Equivalent circuit for direct transmission method
    A.6 Thin-film calibration resistor
    A.7 Modified SMA terminating resistor
    B.1 Simplified network analyzer test system for
          low-frequency measurements
    B.2 1 : 2 Directional bridge for low-frequency
          measurements
    B.3 1 : 1 Directional bridge for low-frequency
          measurements
Annex ZA (normative) Normative references to international
publications with their corresponding European publications

Establishes methods for the determination of the best representations of modes in quartz crystal resonators using linear equivalent circuits.