EDN

Adjacent channel rejection is a key for comparing transient responses of filter Banks

This brief paper examines the most important differences between the responses of the Fast Fourier Transform (FFT) and Polyphase Discrete Fourier Transform (DFT) filter banks. In general, while the ...
Design-Reuse

RF Engines adds world’s first off-the-shelf Polyphase DFT cores to its range of signal processing technologies

May 19, 2003 - RF Engines Limited (RFEL), the signal-processing specialist based on the Isle of Wight, UK, has added high speed Polyphase DFT (Discrete Fourier Transform) cores to its extensive range ...
Design-Reuse

RF Engines releases new flexible bit true models for its Vectis Pipelined FFT and Ventrix Polyphase DFT IP Cores

June 30, 2003 - RF Engines Limited (RFEL), the Signal Processing on FPGA specialist, has announced the release of a new set of Fast Fourier Transform (FFT) and Polyphase DFT bit true models for use ...
Electronics Weekly

RF Engines puts fast polyphase DFT cores into commercial IPpackage

Isle of Wight-based DSP specialist RF Engines (RFEL) has added high speed polyphase discrete Fourier transform cores to its wares. “Polyphase DFT has been around for a while but we believe that we are ...
EDN

Building Soft Radio Channelizers Using Top-Down Design

Software-defined radios (SDRs) are adaptable transceiver systems that learn and adapt to transmission and channel environments with software. A key element of an SDR architecture is the channelizer, ...