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 ...
Design-Reuse

SoCs: DSP World, Cores -> FPGAs cranked for software radio

Software-defined radios are highly configurable hardware platforms that provide the technology for realizing the rapidly expanding third-generation digital wireless communication infrastructure. A ...
EDN

Polyphase Video Scaling in FPGAs

Video scaling is an increasingly common function used to convert images of one resolution and aspect ratio to another “target” resolution and/or aspect ratio. The most familiar example of video ...