Consider FFT module reuse in OFDM modulation
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2008-09-01 |
| This article provides an example for implementing OFDM modulation and demodulation in reconfigurable wireless systems. FFT module reuse is the core of the architectures considered. The design example implements OFDM modulation and demodulation for 3GPP LTE that supports reconfigurable FFT size and CP size |
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| Blazing with the Goertzel algorithm technique
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2003-07-16 |
| Most engineers are familiar with the FFT and would have little trouble using a |
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| Oscilloscope simplifies vibration analysis
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2002-11-01 |
| Sigma Design claims to have found a cost-effective tool, the digitizing oscilloscope with FFT, that enables to conduct preliminary vibration analysis in emerging designs |
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| Multiply efficiently in wireless base stations
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2008-04-01 |
| A key feature of WiMAX system design is the support for OFDM. FPGAs make it extremely easy to implement OFDM transmitters and receivers in discrete time using IFFT and FFT, respectively. This article focuses on the reduction and optimal implementation of multiplier blocks in FFT and FIR implementation for WiMAX base stations |
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| Grasping the Goertzel algorithm
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2011-11-02 |
| Understand the Goertzel algorithm and how it can perform tone detection using much less CPU horsepower than the Fast Fourier Transform. |
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| Grasping noise, ENOB and effective resolution in ADC
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2011-09-29 |
| Given the demand for higher resolution, designers must develop a better understanding of ADC noise, effective number of bits, effective resolution, and signal-to-noise ratio. |
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| Signal chain basics: Understand spurious signals in high-speed ADCs
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2011-12-19 |
| Learn the various approaches for tracking down spurious signals in high-speed analog-to-digital converter systems. |
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| Making heterogeneous network possible
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2011-11-30 |
| Here's a discussion on heterogeneous network (HetNet), a technology that will rely heavily on SoC integration to handle the computational complexity of many different types of small cell Evolved NodeB LTE base stations. |
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| Taking new stabs at programmable analog
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2000-03-01 |
| Programmable logic has some traditional advantages over ASIC design. The gate count of FPGAs approaches that of custom circuits. FPGAs can be programmed—and re-programmed—out in the field, enabling fast time to market. ASICs, in comparison, need careful attention to layout and fabrication technology. It can take anywhere from six weeks to two years (depending on the complexity of the circuit) to get an ASIC working properly. |
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| Identify drain-current conditions when computing power of multicore SoCs
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2012-01-17 |
| Know the factors to consider when calculating the power numbers of multicore SoCs. |
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| The lowdown on power line communication
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2012-01-02 |
| Here's a discussion on power line communication and its segments, applications, and challenges. |
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| Extending ADC resolution/accuracy
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2010-05-27 |
| When considering the resolution required for an ADC integrated in an MCU, embedded systems designers must balance cost and performance. |
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| HomePlug brings cost-effective power line networking
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2001-12-16 |
| This article describes how Ethernet-class networks over standard home power lines are advancing in the industry due entirely to the prevalent presence of ASIC-based signal processors. |
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| Implementation of DSP functions on a cost-effective configurable controller
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2000-03-20 |
| This paper discusses high-speed, 8-bit configurable controller used for low-end and mid-range DSP applications that provides an economical alternative to DSP chips and high-end microcontrollers. |
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| High value processing for Dolby digital decoder with bass management and 3d virtualization
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1999-06-01 |
| A scalable 24bit Digital Signal processing (DSP) core specially tuned for digital audio applications will be discussed in this paper. |
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| Choosing wisely between QAM and DMT for VDSL
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2003-07-16 |
| Telecom operators are responding to the competitive threat of cable and satellite services by offering high-speed applications and converged services to residential and business customers. |
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| Designing in consonance with noise
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2001-03-01 |
| Designing filters based on familiar concepts to simplify signal processing is especially difficult when it comes to dealing with noise. However, there is a lot of good stuff noise can contribute to the industry. |
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| Analyzing ADC noise impacts on wireless systems
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2003-09-01 |
| Noise generated from an ADC can have a big impact on channel performance, so while number of ADCs in a wireless system increase designers must effectively know what impact this noise will have |
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| Evaluating processing options for system-on-chip integration
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2004-07-01 |
| Decisions in SoC integration has to do with the resources available and how features and bugs will be handled. |
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| Paving paths to software radio design
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2002-03-01 |
| This technical article discusses how designers must rethink their product selection strategies in their software radio architectures over a broad frequency range now that the lines between ASICs, FPGAs and DSPs are blurring. |
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| Essentials in analyzing adaptive/predictive signals
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2002-02-16 |
| This technical article describes the techniques on how to evaluate adaptive and predictive signals in electronics equipment for engineering or entertainment purposes. |
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| Mixed-signal test strategies for embedded apps
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2002-04-16 |
| Learn the basic building blocks of semiconductor mixed signal test techniques, as well as a practical systematic approach to mixed signal testing. |
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