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Single-chip audio CODEC for multi-channel microphone recording |
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16-Bit IF/Baseband Receiver Sub-System |
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Low Power Data Converters Enable Compact Medical and Wireless Comms Systems |
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CommAgility AdvancedMC module supports Texas Instruments' C6455 DSP at 1.2 GHz . |
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RF Engines Ltd (RFEL) progress with advanced DSP strategy |
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Strategic Test Debuts UF2e-7005 125 MHz 1 to 16 channel Digital Bit Stream PCIe card . |
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Xilinx Launches New XtremeDSP Development Tools Package and XtremeDSP Development Kit |
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New DSP for 3G Cellular Infrastructure Couplings Maths & Logic from TI |
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| Pitfalls when Translating MATLAB code to C
by Marc Barberis and Luc Semeria, Agility Design Solutions Inc. |
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Most signal processing and communication projects nowadays at some point require translating MATLAB code into equivalent C code. While C code requirements vary widely, some translation pitfalls are common across all applications and teams. Many of these pitfalls derive from the fact that MATLAB is essentially an interpreted language. Consequently, it does not require a priori knowledge, iI.e., MATLAB doesn't know the type, shape, dimension or even the existence of any variable – or function, until execution more>>
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What the Nyquist Criterion Means
to Your Sampled Data System Design
by Walt Kester, Analog Devices |
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A quick reading of Harry Nyquist's classic Bell System Technical Journal article of 1924 (Reference 1) does not reveal the true significance of the criterion which bears his name. Nyquist was working on the transmission of telegraph signals over a channel that was bandwidth limited.
A thorough understanding of the modern interpretation of Nyquist's criterion is mandatory when dealing with sampled data systems. This tutorial explains in easy to understand terms how the Nyquist criterion applies to baseband sampling , undersampling, and oversampling applications. more>>
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