BS 7681-5:1995 Measurement of quartz crystal unit parameters - Part 5. Methods for the determination of equivalent electrical parameters using automatic network analyzer techniques and error correction
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The objective of this International Standard is to give methods for determining the best representations of
modes in quartz crystal resonators by linear equivalent circuits. Circuit representations are based on electrical
parameters measured with vector network analyzer equipment using automatic error correction. Determination
of the equivalent parameters by the method of this standard is based on the measurement of device immittance
in the vicinity of series resonance. The further problem of characterizing the device for operation with a series
load capacitance has not been directly addressed, although it is recognized that some applications require such
characterization. The same measuring equipment, and fundamentally the same sort of measurement, provides
the means to characterize completely the test load capacity fixture as well as the series combination of load
capacity fixture and crystal unit.
BS 7681-5:1995 Measurement of quartz crystal unit parameters - Part 5. Methods for the determination of equivalent electrical parameters using automatic network analyzer techniques and error correction
