EDN

Filter banks, part 2: Optimization and synthesis

Before we proceed, let's quickly review our filter bank example. Our example, shown in Figure 1, is a size 16 DFT filter bank. The color scheme shows the sample rate change where a 16 MHz input sample ...
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 ...
Electronics Weekly

RF Engines adds fast digital filter with polyphase

RF Engines is offering high speed polyphase discrete Fourier transform (DFT) cores for DSP filters. According to the Isle of Wight-based DSP specialist, polyphase DFTs provide high quality filter ...
Design-Reuse

Optimizing Up/Down Conversion with FPGA Techniques

Digital upconverters (DUCs) and digital downconverters (DDCs) are important components of every modern wireless base station design. While many DUC and DDC designs are available, there is a clear call ...
Electronic Design

PCs Bridge The Gap Between DSP And FPGA Designers

Typically, DSP designers are unfamiliar with FPGA design tools, and FPGA designers are unfamiliar with DSP algorithms. But when Sandia National Laboratories needed to replace an analog implementation ...