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 ...
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 ...
GitHub

DrSDR/SDR-Class-PolyPhase-Filter-Banks-GNURadio

this includes gnuradio scripts and an I/Q file to understand polyphase filter banks. the flow graphs show the basic idea, and then lead up to the final polyphase method. the I/Q file has a Fs = 96KHz, ...
IEEE

A new active polyphase filter for wideband image reject downconverter

Abstract: Passive polyphase filter and first order active polyphase filter building blocks have been commonly used in the image reject downconverter. However, to operate in a wideband system and to ...
GitHub

Michelle_6_path.m

% title(['65-Tap Nyquist Filter, Windowed Sinc, 0.1-dB BW = \pm',num2str(f1),' kHZ, -80 dB BW =\pm',num2str(f2),' kHz, f_S = 36 kHz'],'fontsize',14) ...
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 ...