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Archive for the ‘Visual System Simulator’ Category

AWR: Redefining Design

Monday, June 17th, 2013

When I first learned of NI’s Redefining campaign, I thought… yes, makes perfect sense and fits AWR extremely well. Our company was founded almost 20 years ago on the very idea of redefining design for microwave/RF engineers. We began this mission with the release of our flagship product, Microwave Office®, and have continued our tradition of innovation as the first with a Microsoft Office look and feel, the first to fully embrace the PC as the preferred platform, the first to open our environment to third-party vendor tools through our EM Socket™ interface, the first to offer the eye-catching real-time tuning feature…yup… AWR has been constantly evolving and redefining design with every new technology, product, and partner announcement.

If you look at our innovation timeline (snapshot below), you can see for yourself how we continually work to redefine the tools and technologies our customers require, request, and enjoy and that enable them to achieve design success by first virtually prototyping their MMICs, RF PCBs, RFICs, microwave modules, communication systems, radar systems, antennas, and more.


So this year as we embrace our parent company’s redefining campaign, we want to clearly say, “Hear, hear, we agree and support redefining design in all that we do—past, present and future.” Take a look at Analyst™, which has already begun to redefine the design flow for 3D FEM EM analysis by enabling users to move away from disparate point tools to analysis so seamlessly integrated within Microwave Office circuit design that it effectively makes EM a one-click option. Take a look at our forthcoming Visual System Simulator™ (VSS) software release with 802.11ac IP that’s been modularized so it lends itself not only to use within VSS but also within NI’s PXI hardware and LabVIEW software. Take a look at our many AWR Connected™ partners to see how our openness philosophy continues on today, providing our customers with a design flow and eco-system that is flexible and open to better satisfy their ever changing and challenging design needs.


Understanding and Correctly Predicting Critical Metrics for Wireless RF Links

Thursday, February 14th, 2013

Understanding and correctly predicting cellular, radar, or satellite RF link performance early in the design cycle has become a key element in product success. The requirements of today’s complex, high performance wireless devices are driving designers to assess critical measurements—noise figure (NF), 1dB gain compression (P1dB), third order intermodulation distortion versus output power (IM3dBc), and signal-to-noise ratio (SNR)—long before manufacturing begins. Traditional modeling methods such as rules of thumb and spreadsheet calculations (Friis equations) give limited insight on the full performance of an RF link in next-generation wireless products. This white paper highlights the advantages of using specialized RF system simulation software to accurately predict critical metrics for wireless RF links.

Figure 1: Traditional use of the spreadsheet as a system tool.

Simulation Software—A Novel Approach
Traditionally designers have used spreadsheets (Figure 1) to do calculations such as cascaded noise figure, P1db, compression point, and/or third order intercept point of an RF link. The advantages of using a spreadsheet are two-fold: data entry is simple and spreadsheet software is readily available. As wireless devices become more and more pervasive and complex, the limitations of spreadsheets become more apparent. In other words, spreadsheet responses are based on standard equations and therefore do not typically account for mismatch between components or noise at image frequency. In addition, spreadsheets do not normally support data files such as S2p, spur tables, etc., nor do they support yield analysis or optimization—techniques that are becoming increasingly important in order to produce high performance devices at a competitive price.


S2C: FPGA Base prototyping- Download white paper

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