Direct digital synthesizers (DDS), or numerically controlled oscillators (NCO), are important
components in many digital communication systems, such as digital radios and modems …

Numerically Controlled Oscillator (NCO) is an important components in many Digital
Communication Systems such as Digital Radio and Modems, Software Defined Radios …

This paper presents a novel method of reducing the spurious signal content in a digitally
synthesized sine wave at the output of a numerically controlled oscillator (NCO). The …

This paper presents a novel method of reducing the spurious signal content in a digitally
synthesized sine wave at the output of a numerically controlled oscillator (NCO). The …

Direct Digital Frequency Synthesis (DDS) or Numerically Controlled Oscillators (NCO) is an
important functional blocks in digital communication systems. DDS is widely used in the …

Many telecommunication applications require a fast switching, fine tuning and superior
quality sinusoidal signal source for their components. One such a frequency synthesizer is a …

A promising choice for signal generation in modern communications systems is direct digital
frequency synthesis (DDFS) which is capable of well controlled, rapid changes in signal …

A technique to reduce ROM size and therefore power dissipation in direct digital frequency
synthesizers (DDFS) is to use a non-linear DAC to approximate the sine function. Piecewise …

This paper presents a direct digital frequency synthesizer (DDFS) which uses a series of
piece-wise polynomial segments to approximate the sine function. It is shown that using …

This paper presents the architecture and the circuit implementation of a direct digital
frequency synthesizer (DDFS) with error compensation. The straight line approximation …