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Term: Frequency Stability Definition: The amount of frequency deviation from the ambient temperature frequency over the operating temperature range. This deviation is associated with a set of operating conditions, including operating temperature range, load capacitance, and drive level. This parameter is specified with a maximum and minimum frequency deviation, expressed in percent (%) or parts per million (ppm). The frequency stability is determined by the type of quartz cut and the angle of the quartz cut. Some of the secondary factors include mode of operation, drive level, load capacitance, and mechanical design. Frequency stability includes frequency drifts over the operating temperature, input voltage changes, output load variations and the effects of long-term aging. The most standard stabilities are specified as ± 100 ppm, and ± 50 ppm. Cardinal Components oscillators can also be specified with ± 25 ppm and ± 10 ppm stabilities.
Cardinal Components
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