July - 2016
- New Guide: Understanding Vector Network Analysis
In this 62 page understanding guide we will introduce the basic fundamentals of the Vector Network Analyzer (VNA). Specific topics covered include phase and amplitude measurements, scattering parameters (S-parameters), and the polar and Smith chart displays.
September - 2015
- High-speed Switched Serial Fabrics Improve System Design
This handbook reviews the development of gigabit serial fabrics to enhance system optimization; the role of FPGAs to implement this technology; and how some of the latest products can be used in high-speed data acquisition, recording and SDR systems.
December - 2014
- RF-SOI Wafers for Wireless Applications
The increasing demand for wireless data bandwidth and the emergence of LTE and LTE Advanced standards pushes radio-frequency (RF) IC designers to develop devices with higher levels
February - 2014
- New! Free Download: Updated Pentek SDR Handbook
Before we look at SDR and its various implementations in embedded systems, weâll review a theorem fundamental to sampled data systems such as those encountered in Software-Defined Radios.
June - 2012
- Redefining RF and Microwave Instrumentation Through Open Software and Modular Hardware
National Instruments uses multicore processors, user-programmable FPGAs, the high-throughput PCI Express system bus in PXI, and LabVIEW graphical system design software to address the business and technology challenges of high-frequency test and measurement. Read the white paper.
May - 2012
- Write Assist in Low-Voltage SRAMs
Write assist techniques are now commonly used to lower the minimum operating voltage (Vmin) of an SRAM. One of the key reasons to push the SRAM Vmin lower is to enable efficient Dynamic Voltage and Frequency Scaling (DVFS) to save power. In this paper, we discuss the basics of SRAM faliure mechanisms, fundamentals of write assist techniques, ARMÂ® ArtisanÂ® Low Voltage Memory Compilers with the write assist feature and results from GLOBALFOUNDRIES 28nm-SLP memories.
- VPX for High-Performance Avionic Computers
Traditional high-performance computing platforms are limited by the connection bandwidth and latency between the multiple computing elements needed to achieve the performance targets. For the embedded market, the difficulty is compounded by the demanding environmental requirements. The VPX standard resolves this limitation with a large number of high-throughput point-to-point connections between the processing elements in a rugged mechanical structure.
- OpenVPX System Bandwidth: A comparison of 10Gb Ethernet Performance, Serial Rapid IO, and InfiniBand
This paper compares the bandwidth available to two common types of dataflow for systems based on the VITA 65 CEN16 central switched topology, using three different fabrics â Serial RapidIO (SRIO), 10 Gigabit Ethernet (10GbE), and Double Data Rate InfiniBand (DDR IB).
- Xilinx 7 Series FPGAs: The Logical Advantage
Configurable logic tiles are the fundamental building blocks of all programmable digital electronic systems. Ever since Xilinx invented the FPGA in the 1980s, configurable logic, in the form of look-up tables and registers, has been an essential component of digital electronics systems across all markets and applications. This white paper describes the features of the configurable logic block in the 28 nm Xilinx 7 series FPGAs, highlighting advantages over previous Xilinx FPGAs and the benefits that these changes bring to the digital design engineer.
February - 2012
- LTE-Advanced Signal Generation and Measurement Using SystemVue
LTE-Advanced is specified as part of Release 10 of the 3GPP specifications and is now approved for 4G IMT-Advanced. This application note introduces key LTE-Advanced techniques, as well as how to use the Agilent SystemVue W1918 LTE-Advanced library to generate various downlink (DL) orthogonal frequencydivision multiple access (OFDMA) and uplink (UL) clustered DFT-spread-OFDM (DFT-S-OFDM) signal sources with MIMO, and to measure closed-loop throughput.
This application note also introduces LTE-Advanced enhancements to the MIMO channel models, which are available as simulation model set called the W1715 SystemVue MIMO channel builder. This optional model set facilitates simulation-based MIMO over-the-air (OTA) testing using real, observed antenna patterns and standard MIMO fading models, and overcomes a key challenge for 8-layer MIMO system analysis and verification.
January - 2012
- High-Speed, Real-Time Recording Systems Handbook
This handbook provides an understanding of some key concepts required to build a high-speed, real-time recording system .In todayâs world of high-speed A/D converters operating in the gigahertz range, real-time signal recording has become a challenging task that requires specialized hardware and intelligent application software. The system developer has to consider the limitations presented by the recorderâs operating and file systems, the limitations of disk drive technology, the hardware interfaces, and the RAID controller technology.