Total harmonic distortion standard

Details Total harmonic distortion standard Total harmonic distortion standard

2006-05-16

2006-05-16

Ton, My-Trang Nu (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Generating sinusoidal output

Reexamination Certificate

active

07046053

ABSTRACT:
Embodiments of the invention provide a method and an apparatus for generating a total harmonic distortion reference signal. A triangle wave having a predetermined frequency and a predetermined amplitude is generated. The triangle wave is filtered to produce a signal substantially consisting of a sinusoid at the predetermined frequency and selected harmonics of predetermined amplitudes.

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patent: 6825735 (2004-11-01), Chung
Chiou, et al., “Performance of GIC-Derived Active RC Biquads with Variable Gain”, Department of Electrical Engineering; University of Minnesota: pp. 2-31, Feb. 2004.
Cordell, Robert R., “Build a High Performance THD Analyzer”, THD Part One, Audio, pp. 34-42, Jul. 1981.

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