2012•Unpublished venueRequires access

Arbitrary function generator using Direct Digital Synthesis

Walter Fabian Adad, Ricardo Iuzzolino

Abstract

This paper describes the development of an arbitrary function generator based on Direct Digital Synthesis (DDS) technique. This signal generator is capable of generating single-tone sinusoidal (THD <; -80 dBc), two-tone sinusoidal, square wave, triangular and sawtooth waveforms in the frequency range from 0 to 10 kHz. The frequency stability achieved is 3.9 μHz (τ = 2 s) and the amplitude stability is 2.0 μV (τ = 2 s).

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Available abstract

Key concepts: Sawtooth wave, Function generator, Signal generator, Direct digital synthesizer, Generator (circuit theory), dBc, Total harmonic distortion, Waveform