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Numerically controlled oscillator

A numerically controlled oscillator (NCO) is a digital signal generator which creates a synchronous (i.e., clocked), discrete-time, discrete-valued representation of a waveform, usually sinusoidal. NCOs are often used in conjunction with a digital-to-analog converter (DAC) at the output to create a direct digital synthesizer (DDS).

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Operation

Phase accumulator

Phase-to-amplitude converter

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Numerically controlled oscillator

Nodes44
Edges43
Triples3
Avg. degree1.95
Density0.045455
Components1

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output phase word spurious waveform pac bits used accumulator truncation converter amplitude pa frequency truncated digital products distortion table given

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SubjectPredicateObjectConfidenceSrc
power series may be usedinstance ofincluding mathematical algorithms0.80text
particularly in software NCOs.When clockedinstance ofincluding mathematical algorithms0.80text
the phase accumulatorinstance ofincluding mathematical algorithms0.80text

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