Microwaves & RF http://mwrf.com/rss.xml en Proving Installed Performance of Airframe Microwave Assemblies http://mwrf.com/systems/proving-installed-performance-airframe-microwave-assemblies <div class="field-deck"> Sponsored by W.L. Gore </div> <div class="node-body article-body">Military aircraft manufacturers have accepted the practice of replacing microwave assemblies because they get damaged during installation in airframe platforms. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/proving-installed-performance-airframe-microwave-assemblies" target="_blank">read more</a></p> http://mwrf.com/systems/proving-installed-performance-airframe-microwave-assemblies#comments Systems White Paper Tue, 22 Jul 2014 18:03:00 +0000 27221 at http://mwrf.com Selecting Microwave/RF Cable Assemblies for Reliable Performance Over Time http://mwrf.com/systems/selecting-microwaverf-cable-assemblies-reliable-performance-over-time <div class="field-deck"> Sponsored by W.L. Gore </div> <div class="node-body article-body">A recent study showed that users of microwave/RF cable assemblies expect high-quality, long-lasting performance; however, more than 75 percent of these users are replacing their assemblies frequently, with the most common cause of failure identified as damage during installation or operation. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/selecting-microwaverf-cable-assemblies-reliable-performance-over-time" target="_blank">read more</a></p> http://mwrf.com/systems/selecting-microwaverf-cable-assemblies-reliable-performance-over-time#comments Systems White Paper Tue, 22 Jul 2014 17:59:00 +0000 27211 at http://mwrf.com Reducing Life Cycle Costs with Reliable Airframe Microwave Assemblies http://mwrf.com/test-measurement-analyzers/reducing-life-cycle-costs-reliable-airframe-microwave-assemblies <div class="field-deck"> Sponsored by W.L. Gore </div> <div class="node-body article-body">Aircraft manufacturers can no longer afford the total costs associated with airframe microwave assemblies that fail because of rigorous installation and the extreme conditions of aerospace. W. L. Gore & Associates evaluated the performance of </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement-analyzers/reducing-life-cycle-costs-reliable-airframe-microwave-assemblies" target="_blank">read more</a></p> http://mwrf.com/test-measurement-analyzers/reducing-life-cycle-costs-reliable-airframe-microwave-assemblies#comments Systems Test & Measurement - analyzers White Paper Tue, 22 Jul 2014 17:55:00 +0000 27201 at http://mwrf.com UPDATE: SBIRS GEO Satellites Track Missiles Using Infrared Data http://mwrf.com/systems/update-sbirs-geo-satellites-track-missiles-using-infrared-data <div class="node-body article-body">Using a multi-level platform of ground systems, satellites, and payloads, the Space-Based Infrared System (SBIRS) helps to build a database of missiles through their infrared characteristics.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/update-sbirs-geo-satellites-track-missiles-using-infrared-data" target="_blank">read more</a></p> http://mwrf.com/systems/update-sbirs-geo-satellites-track-missiles-using-infrared-data#comments News Systems Tue, 22 Jul 2014 15:05:00 +0000 22351 at http://mwrf.com <p>The SBIRS GEO-1 satellite, shown here in an artist&#39;s rendering with the system&#39;s scanning and staring sensors, is exceeding performance expectations. (Photo courtesy of Lockheed Martin.)</p> Cost-Effective Models Simulate SMT Components (.PDF Download) http://mwrf.com/datasheet/cost-effective-models-simulate-smt-components-pdf-download <div class="node-body datasheet-body"><div> Accurate models of surface-mount-technology (SMT) components are often required when using modern high-frequency computer-aided-engineering (CAE) circuit simulators. This is becoming more commonplace as the frequency range and use of available...</div> <div> &nbsp;</div> <div> <strong>Register or sign in below to download the full article in .PDF format, including high resolution graphics and schematics when applicable.</strong></div> </div> <div class="og_rss_groups"></div> Gold Tue, 22 Jul 2014 13:39:00 +0000 27191 at http://mwrf.com Cost-Effective Models Simulate SMT Components http://mwrf.com/software/cost-effective-models-simulate-smt-components <div class="field-byline"> Nils Nazoa and Nick Ridler </div> <div class="field-deck"> Precision vector network analyzer (VNA) measurements needn’t be expensive when using a low-cost PC-based analyzer and FR-4 based test jig. </div> <div class="node-body article-body">Careful measurements are instrumental in creating accurate RF/microwave software models of surface-mount-technology (SMT) components. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/software/cost-effective-models-simulate-smt-components" target="_blank">read more</a></p> http://mwrf.com/software/cost-effective-models-simulate-smt-components#comments Commercial Defense Industrial Software Tue, 22 Jul 2014 13:35:00 +0000 27091 at http://mwrf.com Military-Code Receiver Bolsters GPS Capabilities http://mwrf.com/active-components/military-code-receiver-bolsters-gps-capabilities <div class="node-body article-body">The U.S. Air Force demonstrated a new Raytheon GPS receiver for use in military-code anti-jamming and high-security communications.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/military-code-receiver-bolsters-gps-capabilities" target="_blank">read more</a></p> http://mwrf.com/active-components/military-code-receiver-bolsters-gps-capabilities#comments News Active components Defense Mon, 21 Jul 2014 14:59:00 +0000 27181 at http://mwrf.com UAV Antenna Changes Beam Direction in 1/1000th of a Second http://mwrf.com/active-components/uav-antenna-changes-beam-direction-11000th-second <div class="node-body article-body">The Agile Aperture Antenna (A3) is lightweight, low power, software-defined, and electronically reconfigurable, suiting it for UAVs and other vehicles.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/uav-antenna-changes-beam-direction-11000th-second" target="_blank">read more</a></p> http://mwrf.com/active-components/uav-antenna-changes-beam-direction-11000th-second#comments News Active components Defense Systems Mon, 21 Jul 2014 14:35:00 +0000 27171 at http://mwrf.com <p>An Agile Aperture Antenna is placed in a window of an aircraft for a recent test flight. (All images courtesy of GTRI)</p> U.S./China To Garner 40% Of Military-Radar Market In Five Years http://mwrf.com/systems/uschina-garner-40-military-radar-market-five-years <div class="field-byline"> Sarah Mangiola </div> <div class="node-body article-body">Though the U.S. and Asia Pacific markets are driven by different needs, the military-radar industry will ultimately benefit due to ever-increasing demand. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/uschina-garner-40-military-radar-market-five-years" target="_blank">read more</a></p> http://mwrf.com/systems/uschina-garner-40-military-radar-market-five-years#comments News Defense Systems Fri, 18 Jul 2014 20:35:00 +0000 27151 at http://mwrf.com <p>Longbow FCR is mounted to Lockheed Martin&#39;s Apache helicopter.</p> Courtesy of Lockheed Martin Basic RF Amplifier Measurements using a Vector Network Analyzer http://mwrf.com/test-measurement-analyzers/basic-rf-amplifier-measurements-using-vector-network-analyzer <div class="field-deck"> Sponsored by Rohde & Schwarz </div> <div class="node-body article-body">This Application note discusses the effective characterization and optimization of RF amplifier parameters such as S-parameters, return loss, gain, isolation, impedance and stability. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement-analyzers/basic-rf-amplifier-measurements-using-vector-network-analyzer" target="_blank">read more</a></p> http://mwrf.com/test-measurement-analyzers/basic-rf-amplifier-measurements-using-vector-network-analyzer#comments Active components Analog semiconductors Digital semiconductors Mixed-signal semiconductors Test & Measurement - analyzers Test & Measurement - generators White Paper Thu, 17 Jul 2014 20:37:00 +0000 27141 at http://mwrf.com Vector Reflectometer’s Compact Size Brings Connectivity Advantages http://mwrf.com/test-measurement/vector-reflectometer-s-compact-size-brings-connectivity-advantages <div class="node-body article-body">Copper Mountain’s Planar R54 vector reflectometer, demonstrated by MW&RF Technology Editor Jean-Jacques DeLisle at IMS 2014, measures 117 by 39 by 19 mm and weighs 8.8 oz.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement/vector-reflectometer-s-compact-size-brings-connectivity-advantages" target="_blank">read more</a></p> http://mwrf.com/test-measurement/vector-reflectometer-s-compact-size-brings-connectivity-advantages#comments News Test & Measurement Thu, 17 Jul 2014 16:09:00 +0000 27121 at http://mwrf.com UPDATE: JPSS-1 Weather Satellite Boosts Forecasting Accuracy http://mwrf.com/systems/update-jpss-1-weather-satellite-boosts-forecasting-accuracy <div class="node-body article-body">The JPSS-1 satellite uses five different remote-sensing instruments that will help to monitor and predict weather patterns and climate changes with greater precision.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/update-jpss-1-weather-satellite-boosts-forecasting-accuracy" target="_blank">read more</a></p> http://mwrf.com/systems/update-jpss-1-weather-satellite-boosts-forecasting-accuracy#comments News Systems Thu, 17 Jul 2014 03:45:00 +0000 24021 at http://mwrf.com How Do Real-Time Spectrum Analyzers Work? http://mwrf.com/test-measurement/how-do-real-time-spectrum-analyzers-work <div class="field-byline"> Curtis Ellzey &amp; Iliza Sokol </div> <div class="node-body article-body">Agilent Technologies’ Raidh Said talks to STEM high-school students about real-time spectrum analyzers.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement/how-do-real-time-spectrum-analyzers-work" target="_blank">read more</a></p> http://mwrf.com/test-measurement/how-do-real-time-spectrum-analyzers-work#comments Test & Measurement Wed, 16 Jul 2014 20:11:00 +0000 27111 at http://mwrf.com De-Clutter Your Test Bench With All-In-One RF System http://mwrf.com/systems/de-clutter-your-test-bench-all-one-rf-system <div class="node-body article-body">Freescale demonstrated its multifunctional, modular RF power tool at IMS 2014. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/de-clutter-your-test-bench-all-one-rf-system" target="_blank">read more</a></p> http://mwrf.com/systems/de-clutter-your-test-bench-all-one-rf-system#comments News Systems Fri, 11 Jul 2014 19:30:00 +0000 27081 at http://mwrf.com Broadband VNA Offers Characterization from 70 kHz to 145 GHz http://mwrf.com/test-measurement/broadband-vna-offers-characterization-70-khz-145-ghz <div class="field-byline"> Curtis Ellzey &amp; Iliza Sokol </div> <div class="node-body article-body">The VectorStar ME7838 Broadband series system from Anritsu offers high performance in a compact millimeter-wave module for calibration stability and positive raw directivity in all bands. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement/broadband-vna-offers-characterization-70-khz-145-ghz" target="_blank">read more</a></p> http://mwrf.com/test-measurement/broadband-vna-offers-characterization-70-khz-145-ghz#comments Test & Measurement Fri, 11 Jul 2014 19:18:00 +0000 27071 at http://mwrf.com Switch Commands 0.5 to 18.0 GHz http://mwrf.com/passive-components/switch-commands-05-180-ghz <div class="node-body article-body">This high-speed switch provides signal control from 0.5 to 18.0 GHz.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/switch-commands-05-180-ghz" target="_blank">read more</a></p> http://mwrf.com/passive-components/switch-commands-05-180-ghz#comments Commercial Defense Industrial Passive components Thu, 10 Jul 2014 16:19:00 +0000 26961 at http://mwrf.com Solid-State Cooking Oven Gives Users Greater Control http://mwrf.com/systems/solid-state-cooking-oven-gives-users-greater-control <div class="node-body article-body">Jean-Jacques DeLisle, MWRF’s tech-editor, demonstrates the process of a solid-state cooking oven at IMS 2014.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/solid-state-cooking-oven-gives-users-greater-control" target="_blank">read more</a></p> http://mwrf.com/systems/solid-state-cooking-oven-gives-users-greater-control#comments News Systems Thu, 10 Jul 2014 15:26:00 +0000 27031 at http://mwrf.com DAC Delivers 14 b at 2.5 GSamples/s http://mwrf.com/systems/dac-delivers-14-b-25-gsampless <div class="node-body article-body">This board level DAC operates with 14-b resolution to 2.5 GSamples/s. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/dac-delivers-14-b-25-gsampless" target="_blank">read more</a></p> http://mwrf.com/systems/dac-delivers-14-b-25-gsampless#comments Analog Devices Commercial Defense Industrial Systems Thu, 10 Jul 2014 14:09:00 +0000 26971 at http://mwrf.com Tunable Filters Screen 0.1 to 3.0 GHz http://mwrf.com/passive-components/tunable-filters-screen-01-30-ghz <div class="node-body article-body">Lines of mechanically tuned bandpass and band-reject filters are designed for applications to 3 GHz. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/tunable-filters-screen-01-30-ghz" target="_blank">read more</a></p> http://mwrf.com/passive-components/tunable-filters-screen-01-30-ghz#comments Commercial Defense Industrial Passive components Thu, 10 Jul 2014 13:27:00 +0000 26981 at http://mwrf.com UV Laser Delamination Raises the Rapid-Prototyping Bar http://mwrf.com/systems/uv-laser-delamination-raises-rapid-prototyping-bar <div class="node-body article-body">To accelerate 2D-surface prototyping, LPKF equipped its ProtoLaser U3 with an ultraviolet (UV) laser to selectively delaminate and cut substrates. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/uv-laser-delamination-raises-rapid-prototyping-bar" target="_blank">read more</a></p> http://mwrf.com/systems/uv-laser-delamination-raises-rapid-prototyping-bar#comments News Systems Wed, 09 Jul 2014 20:07:00 +0000 27021 at http://mwrf.com Video: A Guide to Waveguides – Rotary and Torsional Waveguides http://mwrf.com/passive-components/video-guide-waveguides-rotary-and-torsional-waveguides <div class="field-byline"> Curtis Ellzey &amp; Sarah Mangiola </div> <div class="node-body article-body">IMS 2014 offered many waveguide solutions, including using rotary and torsional waveguides to allow radar dishes to turn. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/video-guide-waveguides-rotary-and-torsional-waveguides" target="_blank">read more</a></p> http://mwrf.com/passive-components/video-guide-waveguides-rotary-and-torsional-waveguides#comments News Passive components Wed, 09 Jul 2014 13:53:00 +0000 27011 at http://mwrf.com Gallery: Filter Assemblies Boost Performance http://mwrf.com/passive-components/gallery-filter-assemblies-boost-performance <div class="node-body gallery-body">There are a variety of techniques and materials used to optimize the performance of complex filter structures. Many of these structures are also parts of larger assemblies used in applications from telecommunications to military.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/gallery-filter-assemblies-boost-performance" target="_blank">read more</a></p> http://mwrf.com/passive-components/gallery-filter-assemblies-boost-performance#comments Passive components Tue, 08 Jul 2014 19:12:00 +0000 27001 at http://mwrf.com Video: A Guide to Waveguides - What Are the Different Types of Waveguides? http://mwrf.com/passive-components/video-guide-waveguides-what-are-different-types-waveguides <div class="field-byline"> Curtis Ellzey &amp; Iliza Sokol </div> <div class="node-body article-body">Microtech's Jim McGregor explains some of the company's waveguide devices at IMS 2014.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/video-guide-waveguides-what-are-different-types-waveguides" target="_blank">read more</a></p> http://mwrf.com/passive-components/video-guide-waveguides-what-are-different-types-waveguides#comments Passive components Tue, 08 Jul 2014 17:12:00 +0000 26991 at http://mwrf.com Looking Back at the 2014 IMS Exhibition (.PDF Download) http://mwrf.com/datasheet/looking-back-2014-ims-exhibition-pdf-download <div class="node-body datasheet-body"><div> Microwave Week, as it was billed by the IEEE this past June 1-6 in Tampa, Fla., turned out to be more than just time on the beach and a mid-year break from the factory. This year&rsquo;s Microwave Theory &amp; Techniques Society (MTT-S) International Microwave Symposium (IMS 2014) was...</div> <div> &nbsp;</div> <div> <strong>Register or sign in below to download the full article in .PDF format, including high resolution graphics and schematics when applicable.</strong></div> </div> <div class="og_rss_groups"></div> Gold Tue, 08 Jul 2014 16:03:00 +0000 26951 at http://mwrf.com Looking Back at the 2014 IMS Exhibition http://mwrf.com/active-components/looking-back-2014-ims-exhibition <div class="field-deck"> This year’s International Microwave Symposium (IMS) had a full schedule of technical presentations, as well as a healthy number of new product introductions at ever-higher frequencies. </div> <div class="node-body article-body">Many significant new products across a wide range of technologies were introduced at the recent IMS 2014 exhibition in Tampa, Fla. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/looking-back-2014-ims-exhibition" target="_blank">read more</a></p> http://mwrf.com/active-components/looking-back-2014-ims-exhibition#comments Active components Commercial Defense Industrial Test & Measurement - generators Tue, 08 Jul 2014 15:57:00 +0000 26941 at http://mwrf.com Unmanned Aerial Systems’ Capabilities Soar (.PDF Download) http://mwrf.com/datasheet/unmanned-aerial-systems-capabilities-soar-pdf-download <div class="node-body datasheet-body"><p>Many factors are contributing to the rise and use of unmanned systems across a variety of industries. Air, sea, and land vehicles can provide relief, intelligence, speed, and efficiency in environments...</p> <div> <strong>Register or sign in below to download the full article in .PDF format, including high resolution graphics and schematics when applicable.</strong></div> </div> <div class="og_rss_groups"></div> Gold Mon, 07 Jul 2014 20:00:00 +0000 26931 at http://mwrf.com Unmanned Aerial Systems’ Capabilities Soar http://mwrf.com/systems/unmanned-aerial-systems-capabilities-soar <div class="field-deck"> UASs are requiring the highest speed, lightest weight, and most efficient communications technology in footprints that are furthering the industry’s capabilities. </div> <div class="node-body article-body">As the uses for unmanned aerial systems continue to expand, the variety of payloads and technologies incorporated into these platforms is creating industry-changing advances in mobile communications.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/unmanned-aerial-systems-capabilities-soar" target="_blank">read more</a></p> http://mwrf.com/systems/unmanned-aerial-systems-capabilities-soar#comments Commercial Defense Systems Mon, 07 Jul 2014 19:56:00 +0000 26921 at http://mwrf.com Synthesize Filters with Wideband Success (.PDF Download) http://mwrf.com/datasheet/synthesize-filters-wideband-success-pdf-download <div class="node-body datasheet-body"><div> Filter designers for RF/microwave requirements have long been challenged with meeting an often-conflicting set of performance demands. Often a final RF/microwave filter design is the result...</div> <div> &nbsp;</div> <div> <strong>Register or sign in below to download the full article in .PDF format, including high resolution graphics and schematics when applicable.</strong></div> </div> <div class="og_rss_groups"></div> Gold Mon, 07 Jul 2014 15:59:00 +0000 26911 at http://mwrf.com Synthesize Filters with Wideband Success http://mwrf.com/software/synthesize-filters-wideband-success <div class="field-byline"> Isabella Delgado, Laura Levesque, Larry Dunleavy, and Jeff Kahler </div> <div class="field-deck"> The use of accurate circuit-element models with straightforward filter design software can help trim the time and effort needed for what can normally be a grueling and iterative design process. </div> <div class="node-body article-body">Using accurate models with straightforward filter design software can help shorten the filter design process. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/software/synthesize-filters-wideband-success" target="_blank">read more</a></p> http://mwrf.com/software/synthesize-filters-wideband-success#comments Commercial Defense Industrial Software Mon, 07 Jul 2014 15:59:00 +0000 26791 at http://mwrf.com Enhanced MEMS Oscillators Catch Up to Crystals (.PDF Download) http://mwrf.com/datasheet/enhanced-mems-oscillators-catch-crystals-pdf-download <div class="node-body datasheet-body"><div> Digital, analog, and RF applications are requiring ever-greater performance from oscillator technology&mdash;specifically in terms of size, cost, and frequency. Skyrocketing data rates, military precision...</div> <div> &nbsp;</div> <div> <strong>Register or sign in below to download the full article in .PDF format, including high resolution graphics and schematics when applicable.</strong></div> </div> <div class="og_rss_groups"></div> Gold Mon, 07 Jul 2014 14:11:00 +0000 26901 at http://mwrf.com