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The total harmonic distortion (THD or THDi) is a measurement of the harmonic distortion present in a signal and is defined as the ratio of the sum of the powers of all harmonic components to the power of the fundamental frequency. Distortion factor, a closely related term, is sometimes used as a synonym.
Spurious-free dynamic range (SFDR) is the strength ratio of the fundamental signal to the strongest spurious signal in the output.It is also defined as a measure used to specify analog-to-digital and digital-to-analog converters (ADCs and DACs, respectively) and radio receivers.
The signal-to-noise and distortion ratio (SINAD) is a measure of the quality of a signal from a communications device, often defined as = + + +, where is the average power of the signal, noise and distortion components.
In 1865, Newfoundland adopted the gold standard, and the dollar replaced the pound at a rate of 1 dollar = 4 shillings 2 pence sterling or 1 pound = $4.80, slightly higher than the Canadian dollar (worth 4s 1.3d). The significance of this rating was that two cents was equal to one penny sterling.
Effective number of bits (ENOB) is a measure of the real dynamic range of an analog-to-digital converter (ADC), digital-to-analog converter (DAC), or associated circuitry. . Although the resolution of a converter may be specified by the number of bits used to represent the analog value, real circuits however are imperfect and introduce additional noise and distor
Differential linearity is desirable and is inherent to a system such as a single-slope analog-to-digital converter used in nuclear instrumentation. Formula [ edit ]
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The currency of the American colonies, 1700–1764: a study in colonial finance and imperial relations. Dissertations in American economic history. New York: Arno Press, 1975. ISBN 0-405-07257-0. Ernst, Joseph Albert. Money and politics in America, 1755–1775: a study in the Currency act of 1764 and the political economy of revolution. Chapel ...