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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
| Femtocells World Summit |
| 23rd - 25th June, London. more>> |
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| UK Embedded Systems Event |
| 7th May Cambridge, UK. more>> |
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| DSP Theory Algorithms & Architectures |
| 18th - 21st May, Glasgow, UK. more>> |
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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 May 2009
Andrew Bateman: ab@dspstore.com
Tel: +44 (0)1225 723 349 |
| Danville Signal |
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Danville Signals dspFlash Sharc & Blackfin Programmer now supports even more devices and can program multiple targets at the same time. Deluxe version executes DSP programs independent of flash programming. more>> |
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| Blackhawk |
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Blackhawk's New USB510L Emulator won't break the bank for Texas Instruments TMS320 DSP. Supports C6000, DaVinci, OMAP, TMS470(ARM), C5000, C2000 and many more. List price $995 more>> |
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| Spectrum Digital |
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Spectrum Digital now has digital cameras !
EHD Camera Kits and Bundles for the DM355 EVM more>> |
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| Red Rapids |
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The Wavefront Quadrature Modulator provides a tunable 10 MHz to 4 GHz RF up converter in a single PCI Express expansion socket. Prices start at $1,500 (external carrier LO). more>> |
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| Signum |
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Signum now offers emulators tailored for the OMAP34xx, OMAP35xx and OMAP36xx devices based on the high-performance Cortex-A8 core. The emulator comes with Chameleon Debugger as well as CCStudio drivers. more>> |
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DSP Articles
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The Mass Customization of Media Gateways by James Awad, Octasic Inc. |
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The migration to IP-based networks is well underway, and the semiconductor products fueling this evolution have improved quite a bit. As the market matures, OEMs that design and manufacture carrier infrastructure and enterprise equipment are feeling tremendous cost pressures. These OEMs rely on a very small number of competing DSP solutions providers to deliver cost-effective solutions. As seen sometimes in technology, the next level of cost savings does not come from smaller transistors, but from applying business models from other industries and changing the way people buy the products.
The main concern for equipment manufacturers today is how to maintain their margins given increasing cost pressures. This can be done in one of two ways: either they reduce costs as their sales prices erode, or they add distinguishing features in order to charge more for the added value. There is a simple solution that can enable both of these approaches -- mass customization. more>> |
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Multirate DSP, part 1: Upsampling and Downsampling by Li Tan |
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In many areas of digital signal processing (DSP) applications - such as communications, speech, and audio processing - rising or lowering of a sampling rate is required. The principle that deals with changing the sampling rate belongs essentially to multirate signal processing (Ifeachor and Jervis, 2002; Porat, 1997; Proakis and Manolakis, 1996; Sorensen and Chen, 1997). As an introduction, we will focus on sampling rate conversion; that is, sampling rate reduction or increase.
The process of reducing a sampling rate by an integer factor is referred to as downsampling of a data sequence.We also refer to downsampling as ''decimation'' (not taking one of ten). The term ''decimation'' used for the downsampling process has been accepted and used in many textbooks and fields. more>> |
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