EDN

Polyphase filters reduce saturation

Digital signal processing is ubiquitous in modern electronic systems, from MP3 players to digital cameras to wireless handsets. One of the mainstays of a DSP designer’s tool box is the FIR ...
EDN

Putting a polyphase filter in processor array

While most articles in this section discuss the reprogramming of graphics processors, other large arrays of processing elements are available as standard-product ICs for other applications. In some ...
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

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 ...