Digit-pipelined direct digital frequency synthesis based on differential CORDIC

CY Kang, EE Swartzlander - … on Circuits and Systems I: Regular …, 2006 - ieeexplore.ieee.org
A novel direct digital frequency synthesis (DDFS) architecture based on the differential
CORDIC (DCORDIC) algorithm is presented. The architecture allows digit-level pipelining in …

An 11-bit 8.6 GHz direct digital synthesizer MMIC with 10-bit segmented sine-weighted DAC

X Geng, FF Dai, JD Irwin… - IEEE Journal of Solid …, 2010 - ieeexplore.ieee.org
This paper presents a low power, ultrahigh-speed and high resolution SiGe DDS MMIC with
11-bit phase and 10-bit amplitude resolutions. Using more than twenty thousand transistors …

Reducing lookup-table size in direct digital frequency synthesizers using optimized multipartite table method

D De Caro, N Petra, AGM Strollo - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
The use of the multipartite table methods (MTMs) to implement high-performance direct
digital frequency synthesizers (DDFSs) is investigated in this paper. A closed-form …

A novel DDS using nonlinear ROM addressing with improved compression ratio and quantization noise

LSJ Chimakurthy, M Ghosh, FF Dai… - ieee transactions on …, 2006 - ieeexplore.ieee.org
This paper presents a novel direct digital frequency synthesis (DDFS) ROM compression
technique based on two properties of a sine function:(a) piecewise linear technique to …

A direct digital frequency synthesizer based on the quasi-linear interpolation method

A Ashrafi, R Adhami… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
This paper introduces a novel direct digital frequency synthesizer (DDFS) with an
architecture based on the quasi-linear interpolation method (QLIP). The QLIP method is a …

A 630 MHz, 76 mW direct digital frequency synthesizer using enhanced ROM compression technique

AGM Strollo, D De Caro, N Petra - IEEE Journal of Solid-State …, 2007 - ieeexplore.ieee.org
The paper presents a detailed description of a direct digital frequency synthesizer (DDFS)
based on a Multipartite Table Method (MTM) which is a salient lookup table compression …

Low-complexity design of variable bandedge linear phase FIR filters with sharp transition band

YJ Yu, YC Lim, D Shi - IEEE Transactions on Signal Processing, 2008 - ieeexplore.ieee.org
This paper presents a very low-complexity design of variable bandedge linear phase finite-
impulse-response (FIR) filters with fixed sharp transition width. The idea is to first …

Direct digital frequency synthesizer using nonuniform piecewise-linear approximation

D De Caro, N Petra, AGM Strollo - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
This paper investigates a novel direct digital frequency synthesizer architecture, based on
piecewise linear approximation with segments of nonuniform length. The new approach …

[PDF][PDF] Теоретические основы метода прямого цифрового синтеза радиосигналов для цифровых систем связи

ДВ ИВАНОВ, ВА ИВАНОВ… - Вестник Поволжского …, 2012 - science.volgatech.net
Представлен обзор работ по теории радиосигналов и их формирования методом
прямого цифрового синтеза применительно к задачам цифровой радиосвязи …

Design and implementation of a preprocessing circuit for bandpass signals acquisition

M D'Arco, M Genovese, E Napoli… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
The processing capabilities that are included into the acquisition block of the real-time digital
oscilloscopes largely contribute to determine the overall performance of the instrument …