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Zoran Launches Next Generation Digital Processors for Laser Printers, MFPs and Scanners |
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New PMC-X/PCI-X Dual Channel 16-bit ADC/DAC from Red Rapids |
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Altera and BittWare Jointly Develop Software Programmable Platform |
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Freescale adds new design center in China . |
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TI Introduces Low Noise High Accuracy DAC for Industrial Control . |
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Xilinx Delivers Complete Virtex-5 FPGA Based Solutions for SPI-4.2 and SFI-4.1 Interfaces. |
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Direct Digital Synthesis from Analog Devices for Low Power Applications |
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1.8GHz Low Noise, Low Distortion Differential ADC Driver for 300MHz IF. |
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| Choosing between DSPs and FPGAs for high-performance signal processing
by Edward Young, Managing Director, CommAgility and Paul Moakes, Technical Director, CommAgility |
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Traditionally, the DSP has been the solution of choice for all high-performance signal processing. It provided excellent performance at reasonable power and cost levels; there was a big community of experienced DSP engineers; a large base of off-the-shelf code; and great support from third party vendors.
Over the last few years, though, FPGA vendors, such as Altera and Xilinx, have substantially improved their chips and development tools for signal processing. This means that today the choice between DSP, FPGA or other technologies is not so easy – and in fact, a heterogeneous system combining both DSP and FPGA can often be the best solution. more>>
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Digital Down Conversion (DDC) Theory by Hunt Engineering |
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A fundamental part of many communications systems is Digital Down Conversion (DDC). Digital radio receivers often have fast ADC converters delivering vast amounts of data; but in many cases, the signal of interest represents a small proportion of that bandwidth. A DDC allows the rest of that data to be discarded, allowing more intensive processing to be performed on the signal of interest. more>>
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