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C-to-FPGA Integration Accelerates Prototyping 10X. more>> |
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New DaVinci™ DM37x video processors from Texas Instruments. more>> |
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Analog Devices - JESD204A Data Converters Reduce Power and Board Space. more>> |
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RF Engines Feature rich IP core offers fast route to production. more>> |
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Analog Devices Introduces Data Converter with Dynamic Power Control. more>> |
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FC300 OFDM IP Core Helps OEM Customers Reduce Development Time. more>> |
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Octasic Introduces New Multi-Core DSP Device for Video. more>> |
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Actel Announces Power Management Solution for SmartFusion FPGA. more>> |
Events
| Digital Signal Processing, Theory and Application |
| 7th - 9th July 2009, Oxford, UK. more>> |
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| Eusipco 2009 |
| 24th - 28th Aug, Glasgow, Scotland. more>> |
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| Femtocells Americas |
| 16th - 17th Nov, San Diego. more>> |
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now to receive your FREE copy of the DSP e-Newsletter. |
About Us
If you would like to feature your product or
article in the next issue of DSP e-Newsletter please contact
the editor: Publication
date is 6 August 2009
Andrew Bateman: ab@dspstore.com
Tel: +44 (0)1225 723 349 |
| Spectrum Digital |
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XDS100 JTAG Emulator Now Available
Low cost emulator supports F28xxx, C550x, C674x DSP families. more>> |
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| Blackhawk |
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Blackhawk's LAN560 JTAG Emulator for TI DSP's is two emulators in one with a local high-speed USB port and 10/100 ethernet LAN interface. Debug on your workbench, across the building or around the world more>> |
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| Signum |
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JTAGjet-CCS, the ultimate USB 2.0 (480 Mbps) emulator is only $995. Outperforms older XDS510 emulators and supports CCStudio for C2000, C5000, C6000, OMAP, TMS470, TMS570 and DaVinci. more>> |
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| Red Rapids |
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No FPGA programming required! Softband Radio performs wideband digital down conversion with a rich set of software selectable features. Dual channel 16-bit (130 Msps) and 12-bit (213 Msps) options. more>> |
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| Avren Events |
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Femtocells Americas
San Diego, Nov 16th - 17th more>> |
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| AKM |
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The AK4691 is a 16bit, 4ch ADC and 2ch DAC with Microphone-Amplifier, Headphone-Amplifier, and Speaker-Amplifier. more>> |
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DSP Articles
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Ultra Tiny Linux Meets DSP Pipeline Challenge Kim Rowe, Founder, RoweBots Research Inc. |
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Building DSP applications on digital signal controllers (DSCs) and microcontrollers (MCUs) using the de facto applications programming interfaces (APIs) for our industry - embedded Linux and POSIX is something new. However, to maximize profits and minimize risks, this is the approach that is required. This article illustrates how to implement this approach.
When using embedded Linux and POSIX APIs, what is the best approach to build DSP systems which need significant processing done in software? The generally accepted way to do this is to use a DSP pipeline which eliminates all unnecessary buffer copying when implemented correctly. more>> |
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Fixed vs. floating point: a surprisingly hard choice Boris Lerner, Analog Devices |
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The advantages of floating-point processors are well known. Without a doubt, floating point implementations of many algorithms take fewer cycles to execute than fixed point code (assuming, of course, that the fixed-point code offers similar precision). Floating-point processors are also often much easier to program in assembly code. However, neither of these advantages matter all that much to the end designer. With the quality of compilers getting better and better each day, hardly anyone codes in assembly anymore - and writing code in C is nearly equally simple, be it fixed or floating point. Moreover, in C one can certainly write floating point code for a fixed point processor, although it will take a significant performance hit. What does matter to the end designer is the final system's performance, cost and time to market. more>> |
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