The silicon DSP architecture of the FPGA can make a big difference when implementing complex signal-processing algorithms. Altera’s Stratix V FPGAs, with the variable-precision DSP block architecture, are the only programmable devices that efficiently support many different precision levels, including floating-point implementations. Also, with a 64-bit cascade bus and accumulator, the designer does not have to sacrifice precision when the algorithm implementation requires multiple DSP blocks.

Author: Suhel … Read More → "Enabling High-Precision DSP Applications with the FPGA Industry’s First Variable-Precision Architecture"

High-performance signal-processing designs increasingly require higher than 18-bit precision and even a range of precisions across the datapath. You’re probably seeing these requirements in traditional digital signal processing (DSP) functions such as finite impulse response (FIR) filters, fast Fourier transforms (FFTs), emerging matrix functions, and in custom signal-processing datapaths. 

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Before embarking on the development of a next-generation electro-optical and infrared (EO/IR) system, it is important to not only understand the power and performance characteristics of the FPGA, but also the various functions developed both as IP and reference designs. Altera’s VIP Suite of MegaCore®functions provide sensor control and various image-processing capabilities, including buffering, scaling, filtering, and combining video streams … Read More → "Enabling Low-Power EO/IR System Development with FPGAs and Image- and Sensor-Processing IP"

Over 70% of designs on Altera® FPGAs require some type of external memory in the design, but the needs vary depending on the individual application. This white paper addresses all aspects of building external memory solutions with Altera FPGAs, including application needs, memory capabilities of Altera FPGAs, and device and IP selection. Also discussed is the modular style of the memory components, comprised of Altera’s controller and PHY offerings with circuit and calibration features.

Read More → "Boosting System Performance with External Memory Solutions"

Current market trends in video surveillance present a number of challenges to be addressed, including the move from analog to digital cameras, conversion to high-definition (HD) video, adoption of wide dynamic range (WDR) sensors, and Internet Protocol (IP) connectivity for control and data streams. This white paper describes the IP Surveillance Camera Reference Design and shows how the entire system is built using a low-cost Altera® Cyclone® III FPGA.