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Archive for the ‘Microwave Office’ 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.

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Nanjing University of Aeronautics and Astronautics Selects AWR Software

Wednesday, May 1st, 2013

UNIVERSITY BACKGROUND

Nanjing University of Aeronautics and Astronautics (NUAA) is one of China’s premier learning and research institutions and has developed into a comprehensive university especially focused on aerospace engineering. Established in 1952, NUAA strives to provide a world-level research and education system for its 24,600 students, 600 of who are international students from over 30 countries.

THE DESIGN CHALLENGE

NUAA was searching for a more user-friendly, integrated alternative to the current set of high-frequency design tools used in the classroom. To objectively evaluate AWR’s Microwave Office® RF and microwave design software, the university chose to redesign an existing compact and high selectivity dual-band, dual-mode bandpass filter for GPS and WLAN applications. The filter was designed using a short, stub-loaded folded resonator with source load coupling. The 3dB fractional bandwidths of the two passbands were about 3.4 percent at 1.57GHz and 9.9 percent at 5.2GHz. Because there was interference between the main signal path and the folded arms of the resonator, it was necessary to generate five transmission zeros near the passband edges and in the upper stopband in order to improve the frequency selectivity and stopband performance.

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Bye Bye Wallets….

Wednesday, March 6th, 2013

Given the recent fiscal cliff and the spending cut countdown, I’m wondering how many of you think this blog will be about our dwindling wallets and discretionary dollars?  But alas, not so.  This is about the emergence of the electronic wallet or rather the underlying technology that’s making it a reality…

Back in August, Time Magazine ran an article titled, “Bye Bye Wallet” written by Harry McCracken, who bravely spent (or rather attempted to spend) a weekend using nothing more than his Google Wallet.  What I liked about this piece (in addition to the humor) was that within the first two paragraphs, he was talking about NFC – near field communication – technology that is enabling this trend.

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End-to-end Design and Realization of an X-band Transmission Analyzer

Saturday, February 23rd, 2013

INTRODUCTION

The X-band frequency range has been designated for critical military and public safety applications such as satellite communications, radar, terrestrial communications and networking, and space communications. It is important to ensure that these signals deliver quality, reliable, and secure communications. This application note describes the design and realization of a complex X-band transmission analyzer for use in real-time material testing.

The purpose of this analyzer is to gather complex-valued X-band transmission coefficients at high update rates of greater than 100,000 measurements per second. This note describes how manufacturing costs were minimized by integrating the many RF components in the device onto a single printed circuit board (PCB), how coupling issues between the RX and TX paths caused by the requirement for high dynamic range were addressed, and how EM simulator based tuning was used for the numerous distributed elements on the board to ensure optimal performance.

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S2C: FPGA Base prototyping- Download white paper



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