This paper presents new techniques to implement direct digital frequency synthesizers
(DDFSs) with optimized piecewise-polynomial approximation. DDFS performances with …

Dense networks call for interconnectivity of a large number of devices, and in this context,
the diversity of interconnected devices introduces challenges to be considered for …

This paper presents a novel approach to the design of direct digital frequency synthesizers
(DDFSs) with phase-to-sinusoid amplitude conversion blocks based on linear interpolation …

The authors present a review of phase to sine amplitude conversion (PSAC) techniques for
direct digital frequency synthesis (DDFS). Principles of DDFS are first considered, then …

This paper reviews the approach of using a direct digital frequency synthesizer (DDFS) to
generate high-resolution, fast switching frequencies for modern communication systems …

A highly compact 9-bit CMOS direct digital synthesizer without read-only memory that
consumes 8 muW/MHz is described. The circuit is based upon a small nonlinear array of six …

Abstract ASIC and FPGA ASIC and FPGA are considered to be the ideal platform for special
fast calculations because of the hardware structure, and how to achieve computational …

Abstract The Direct Digital Frequency Synthesizer (DDFS) is a critical component routinely
implemented in communication or signal processing systems. The recent literature proposes …

Recently, there is increasing interest in impedance sensors for various applications. Direct
digital synthesis (DDS) circuits are commonly used in such sensor circuits for generating …

This paper deals with an field-programmable gate array (FPGA)-implementation of
quadrature direct digital frequency synthesizers (QDDFS), and, in particular, with those …