Microwaves & RF http://mwrf.com/rss.xml en Rectenna Serves 2.45-GHz Wireless Power Transmission http://mwrf.com/systems/rectenna-serves-245-ghz-wireless-power-transmission <div class="field-byline"> Shuai Ji, Hua Qi, and Huifeng Zhang </div> <div class="field-deck"> This fairly simple and straightforward rectenna design can be applied for conversion of energy at RF/microwave frequencies to usable DC power. </div> <div class="node-body article-body">This straightforward rectenna design can be used for RF-to-DC power conversion at ISM-band frequencies. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/rectenna-serves-245-ghz-wireless-power-transmission" target="_blank">read more</a></p> http://mwrf.com/systems/rectenna-serves-245-ghz-wireless-power-transmission#comments Commercial Industrial Systems Thu, 18 Sep 2014 15:16:00 +0000 28491 at http://mwrf.com Rectenna Serves 2.45-GHz Wireless Power Transmission (.PDF Download) http://mwrf.com/datasheet/rectenna-serves-245-ghz-wireless-power-transmission-pdf-download <div class="node-body datasheet-body"><p>Wireless applications inject a great deal of excess electromagnetic (EM) energy into the environment&mdash;energy which can be reused if properly recovered. A rectifying antenna, or rectenna as it is popularly known...</p> <p><strong>Register or sign in below to download the full article in .PDF format, including high resolution graphics and schematics when applicable.</strong></p> </div> <div class="og_rss_groups"></div> Gold Thu, 18 Sep 2014 15:13:00 +0000 28651 at http://mwrf.com Satellite Gets into Rhythm with Midsize Black Hole http://mwrf.com/systems/satellite-gets-rhythm-midsize-black-hole <div class="node-body article-body">Discovery of rhythmic pulsations via counters and detectors aboard NASA’s Rossi X-ray Timing Explorer (RXTE) satellite led to the M82X- black hole’s unusual midsize categorization.</div> <div class="field-content-focus"> <span>Content Classification:&nbsp;</span> Curated </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/satellite-gets-rhythm-midsize-black-hole" target="_blank">read more</a></p> http://mwrf.com/systems/satellite-gets-rhythm-midsize-black-hole#comments News Industrial Systems Wed, 17 Sep 2014 20:30:00 +0000 28661 at http://mwrf.com SDR Approach Seizes 6 GHz http://mwrf.com/software/sdr-approach-seizes-6-ghz <div class="field-deck"> This clever combination of software with analog and digital components results in a radio system that can handle a wide variety of transmission and reception formats through 6 GHz. </div> <div class="node-body article-body">A compact software-defined radio (SDR) provides the outstanding performance and flexibility needed to support many different communications applications through 6 GHz. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/software/sdr-approach-seizes-6-ghz" target="_blank">read more</a></p> http://mwrf.com/software/sdr-approach-seizes-6-ghz#comments Software Wed, 17 Sep 2014 16:36:00 +0000 28621 at http://mwrf.com SDR Approach Seizes 6 GHz (.PDF Download) http://mwrf.com/datasheet/sdr-approach-seizes-6-ghz-pdf-download <div class="node-body datasheet-body"><p>Software-defined-radio (SDR) technology provides the flexibility that allows a well-designed radio to adapt to many different conditions. The Crimson SDR from Per Vices is an excellent example...</p> <p><strong>Register or sign in below to download the full article in .PDF format, including high resolution graphics and schematics when applicable.</strong></p> </div> <div class="og_rss_groups"></div> Gold Wed, 17 Sep 2014 16:32:00 +0000 28631 at http://mwrf.com Wireless Coexistence (.PDF Download) http://mwrf.com/datasheet/wireless-coexistence-pdf-download <div class="node-body datasheet-body">In a highly competitive technology world with a limited spectrum, many wireless standards are forced to struggle over the few megahertz of bandwidth allowed to them. This struggle is intensified as these...Download</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/datasheet/wireless-coexistence-pdf-download" target="_blank">read more</a></p> Gold Wed, 17 Sep 2014 16:30:00 +0000 28641 at http://mwrf.com Frequency Spectrum (.PDF Download) http://mwrf.com/datasheet/frequency-spectrum-pdf-download <div class="node-body datasheet-body">From microwave ovens, heat we can feel, to the non-visible radiation of dancing cosmic bodies, electromagnetic radiation (EMR) is responsible for much of our technology and our perspective of the universe. EMR is photonic energy transfer with properties that vary along a ...Download</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/datasheet/frequency-spectrum-pdf-download" target="_blank">read more</a></p> Gold Wed, 17 Sep 2014 15:55:00 +0000 28611 at http://mwrf.com Frequency Nomenclature (.PDF Download) http://mwrf.com/datasheet/frequency-nomenclature-pdf-download <div class="node-body datasheet-body">Electromagnetic (EM) radiation, when properly manipulated, can be controlled to produce signals over a definable path that can carry information. The information embedded in an EM signal, or telecommunications signal, travels through the atmosphere according to the...Download</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/datasheet/frequency-nomenclature-pdf-download" target="_blank">read more</a></p> Gold Wed, 17 Sep 2014 15:47:00 +0000 28601 at http://mwrf.com Coaxial & Waveguide Connector Frequencies (.PDF Download) http://mwrf.com/datasheet/coaxial-waveguide-connector-frequencies-pdf-download <div class="node-body datasheet-body">Waveguides are true to their name, and act as one-dimensional paths for electromagnetic radiation (EMR) within a certain range of frequencies. The bouncing nature of EMR within a waveguide only allows for a certain range of...Download</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/datasheet/coaxial-waveguide-connector-frequencies-pdf-download" target="_blank">read more</a></p> Gold Tue, 16 Sep 2014 19:45:00 +0000 28561 at http://mwrf.com Load Pull Validation of Large Signal Cree GaN Field Effect Transistor (FET) Model http://mwrf.com/active-components/load-pull-validation-large-signal-cree-gan-field-effect-transistor-fet-model <div class="field-deck"> Sponsored by: Cree </div> <div class="node-body article-body">To reduce power amplifier design iterations and development costs, RF design engineers require large signal models for RF power transistors, validated with measured performance parameters, to provide fast, accurate evaluation of amplifier designs using simulation tools.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/load-pull-validation-large-signal-cree-gan-field-effect-transistor-fet-model" target="_blank">read more</a></p> http://mwrf.com/active-components/load-pull-validation-large-signal-cree-gan-field-effect-transistor-fet-model#comments Active components White Paper Tue, 16 Sep 2014 18:53:00 +0000 28541 at http://mwrf.com Waveguide Connector Frequencies (.PDF Download) http://mwrf.com/datasheet/waveguide-connector-frequencies-pdf-download <div class="node-body datasheet-body">Waveguides are true to their name, and act as one-dimensional paths for electromagnetic radiation (EMR) within a certain range of frequencies. The bouncing nature of EMR within a waveguide only allows for a...Download</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/datasheet/waveguide-connector-frequencies-pdf-download" target="_blank">read more</a></p> Gold Tue, 16 Sep 2014 17:56:00 +0000 28551 at http://mwrf.com Mini Broadband PIFAs Fit Today’s Mobile-Device Designs http://mwrf.com/passive-components/mini-broadband-pifas-fit-today-s-mobile-device-designs <div class="field-byline"> Y. Belhadef and N. Boukli-Hacene </div> <div class="field-deck"> A pair of planar inverted-F antennas (PIFAs) was developed with the aid of a commercial software simulator to cover several telecommunications standards. </div> <div class="node-body article-body">Simple modifications to broadband PIFAs can help shrink their size while still maintaining frequency coverage for multiple wireless, mobile communications applications. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/mini-broadband-pifas-fit-today-s-mobile-device-designs" target="_blank">read more</a></p> http://mwrf.com/passive-components/mini-broadband-pifas-fit-today-s-mobile-device-designs#comments Commercial Industrial Passive components Mon, 15 Sep 2014 16:38:00 +0000 28481 at http://mwrf.com Mini Broadband PIFAs Fit Today’s Mobile-Device Designs (.PDF Download) http://mwrf.com/datasheet/mini-broadband-pifas-fit-today-s-mobile-device-designs-pdf-download <div class="node-body datasheet-body"><p>Compact antennas are essential to portable and mobile wireless devices, particularly low-profile antennas that operate reliably. Planar inverted-F antennas (PIFAs) fall into this category...</p> <p><strong>Register or sign in below to download the full article in .PDF format, including high resolution graphics and schematics when applicable.</strong><br /> &nbsp;</p> </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/datasheet/mini-broadband-pifas-fit-today-s-mobile-device-designs-pdf-download" target="_blank">read more</a></p> Gold Mon, 15 Sep 2014 16:32:00 +0000 28521 at http://mwrf.com Multiple Space Consortiums Receive NASA-Backed STEM Education Awards http://mwrf.com/services/multiple-space-consortiums-receive-nasa-backed-stem-education-awards <div class="node-body article-body">Awards given to 35 Space Grant Consortiums targeted strong proposals for extending science, technology, engineering, and mathematics (STEM) programs at community colleges and technical colleges.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/services/multiple-space-consortiums-receive-nasa-backed-stem-education-awards" target="_blank">read more</a></p> http://mwrf.com/services/multiple-space-consortiums-receive-nasa-backed-stem-education-awards#comments News Industrial Services Mon, 15 Sep 2014 13:36:00 +0000 28501 at http://mwrf.com Industrial/Medical Applications http://mwrf.com/microwaves-and-rf/2014-09-15 <div class="node-body magazine_issue-body"></div> <fieldset class="fieldgroup group-mag-teasers"> </fieldset> <fieldset class="fieldgroup group-publication-info"><legend>Publication Info</legend> </fieldset> <div class="og_rss_groups"></div> Mon, 15 Sep 2014 04:00:00 +0000 28531 at http://mwrf.com Receiver Design Considerations in Digital Beamforming Phased Arrays (.PDF Download) http://mwrf.com/datasheet/receiver-design-considerations-digital-beamforming-phased-arrays-pdf-download <div class="node-body datasheet-body"><p>Digital beamforming phased arrays are becoming an increasingly common antenna product both for defense and commercial applications. The primary technological advancement making this possible...</p> <p><strong>Register or sign in below to download the full article in .PDF format, including high resolution graphics and schematics when applicable.</strong></p> </div> <div class="og_rss_groups"></div> Gold Fri, 12 Sep 2014 19:55:00 +0000 28471 at http://mwrf.com Receiver Design Considerations in Digital Beamforming Phased Arrays http://mwrf.com/components/receiver-design-considerations-digital-beamforming-phased-arrays <div class="field-byline"> Peter Delos </div> <div class="field-deck"> With digital beamforming phased arrays continuing to grow in popularity, Lockheed Martin's Peter Delos runs down crucial concepts for those designing receivers to keep in mind. </div> <div class="node-body article-body">With digital beamforming phased arrays continuing to grow in popularity, Lockheed Martin's Peter Delos runs down crucial concepts for those designing receivers to keep in mind.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/components/receiver-design-considerations-digital-beamforming-phased-arrays" target="_blank">read more</a></p> http://mwrf.com/components/receiver-design-considerations-digital-beamforming-phased-arrays#comments Commercial Components Defense Fri, 12 Sep 2014 17:52:00 +0000 28461 at http://mwrf.com How Great a Gift is a Wireless Prosthesis? http://mwrf.com/systems/how-great-gift-wireless-prosthesis <div class="node-body gallery-body">From environmentally resilient microprocessor joints to direct nerve controlled robotic limbs, getting our wounded back into the action has never been more possible.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/how-great-gift-wireless-prosthesis" target="_blank">read more</a></p> http://mwrf.com/systems/how-great-gift-wireless-prosthesis#comments Active components Defense Systems Fri, 12 Sep 2014 15:14:00 +0000 28341 at http://mwrf.com Making Those Wireless Myoelectric Sensors Work http://mwrf.com/active-components/making-those-wireless-myoelectric-sensors-work <div class="field-deck"> A Q&A session with Glen Griffith, principal RF communications engineer for the Alfred Mann Foundation. </div> <div class="node-body article-body">A Q+A session with Glen Griffith, principal RF communications engineer for the Alfred Mann Foundation.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/making-those-wireless-myoelectric-sensors-work" target="_blank">read more</a></p> http://mwrf.com/active-components/making-those-wireless-myoelectric-sensors-work#comments Active components Defense Fri, 12 Sep 2014 15:09:00 +0000 28441 at http://mwrf.com Healing Heroes, One Wireless Limb at a Time http://mwrf.com/active-components/healing-heroes-one-wireless-limb-time <div class="field-deck"> Using Bluetooth, magnetic resonance, and near-field communications, prosthetics developers are creating cutting-edge and waterproof options for warriors so they can get back into action. </div> <div class="node-body article-body">Adding wireless technologies to control settings, charge, or actively control prosthetic limbs could lead to much more versatile and weather-proof prosthetic options for soldiers who were wounded in battle</div> <div class="field-content-focus"> <span>Content Classification:&nbsp;</span> Curated </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/healing-heroes-one-wireless-limb-time" target="_blank">read more</a></p> http://mwrf.com/active-components/healing-heroes-one-wireless-limb-time#comments Active components Defense Fri, 12 Sep 2014 15:08:00 +0000 28401 at http://mwrf.com Healing Heroes, One Wireless Limb at a Time (.PDF Download) http://mwrf.com/datasheet/healing-heroes-one-wireless-limb-time-pdf-download <div class="node-body datasheet-body"><p>At the end of 2013, the total number of U.S. soldiers who suffered crippling battle-related amputations in the wars overseas exceeded 1500. Many of these soldiers suffered...</p> <p><strong>Register or sign in below to download the full article in .PDF format, including high resolution graphics and schematics when applicable.</strong></p> </div> <div class="og_rss_groups"></div> Gold Fri, 12 Sep 2014 15:02:00 +0000 28451 at http://mwrf.com What Does a Coaxial Cable Look Like? http://mwrf.com/passive-components/what-does-coaxial-cable-look <div class="node-body gallery-body">As there are many environments and applications were RF devices find themselves, coaxial cables need to be built to meet a range of challenges. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/what-does-coaxial-cable-look" target="_blank">read more</a></p> http://mwrf.com/passive-components/what-does-coaxial-cable-look#comments Commercial Defense Passive components Thu, 11 Sep 2014 19:32:00 +0000 28321 at http://mwrf.com What’s in Your Coaxial Cable? http://mwrf.com/passive-components/what-s-your-coaxial-cable <div class="field-deck"> Coaxial cables are a standby of the RF/microwave industries, as they connect vital components ranging from smartphones and laptops for everyday life to radar and GPS for military and aerospace. </div> <div class="node-body article-body">Coaxial cables along with waveguides, twisted-pair, and micro-strip transmission lines, are used to carry electromagnetic signals from a few megahertz to hundreds of gigahertz with reasonably low signal degradation</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/what-s-your-coaxial-cable" target="_blank">read more</a></p> http://mwrf.com/passive-components/what-s-your-coaxial-cable#comments Commercial Defense Passive components Thu, 11 Sep 2014 19:25:00 +0000 28411 at http://mwrf.com What’s in Your Coaxial Cable? (.PDF Download) http://mwrf.com/datasheet/what-s-your-coaxial-cable-pdf-download <div class="node-body datasheet-body"><p>For almost every application, it is challenging to transfer signals from one component to another while maintaining adequate signal integrity. Adding complex and dynamic signal paths requires a flexible platform...</p> <p><strong>Register or sign in below to download the full article in .PDF format, including high resolution graphics and schematics when applicable.</strong></p> </div> <div class="og_rss_groups"></div> Gold Thu, 11 Sep 2014 19:21:00 +0000 28431 at http://mwrf.com Coaxial Connector Frequencies (.PDF Download) http://mwrf.com/datasheet/coaxial-connector-frequencies-pdf-download <div class="node-body datasheet-body">Coaxial cable connectors are a fundamental component for interfacing with RF devices up to hundreds of gigahertz. The frequency handling capability of...Download Now</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/datasheet/coaxial-connector-frequencies-pdf-download" target="_blank">read more</a></p> Learning Resources Gold Thu, 11 Sep 2014 19:02:00 +0000 28421 at http://mwrf.com Surface Mount Technology Association (SMTA) International http://mwrf.com/surface-mount-technology-association-smta-international <div class="node-body event-body"></div> <h3 class="location-locations-header">Location</h3> <div class="location-locations-wrapper"> <div class="location vcard"> <div class="adr"> <span class="fn">Donald E. Stephens Convention Center</span> <span class="locality">Rosemont</span>, <span class="region">IL</span> <div class="country-name">United States</div> </div> <div class="map-link"> <div class="location map-link">See map: <a href="http://maps.google.com?q=%2C+Rosemont%2C+IL%2C+%2C+us">Google Maps</a></div> </div> </div> </div> <div class="og_rss_groups"></div> http://mwrf.com/surface-mount-technology-association-smta-international#comments Thu, 11 Sep 2014 14:24:00 +0000 28391 at http://mwrf.com M2M Solution Sends Alerts to Help Prevent Food Spoilage http://mwrf.com/systems/m2m-solution-sends-alerts-help-prevent-food-spoilage <div class="node-body article-body">The D-Mometer and TAM Network work together to track time and temperature of perishable foods, sending alerts to help prevent spoilage and subsequent food-borne illnesses.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/m2m-solution-sends-alerts-help-prevent-food-spoilage" target="_blank">read more</a></p> http://mwrf.com/systems/m2m-solution-sends-alerts-help-prevent-food-spoilage#comments News Services Systems Thu, 11 Sep 2014 14:09:00 +0000 28381 at http://mwrf.com <p>The D-Mometer and TAM Network is a machine-to-machine (M2M) solution that delivers real-time information on the time and temperature exposure of perishable food items. (Image courtesy of RMD Technologies)</p> Manpack Radio Plus MUOS Satellite Equals Long-Distance Military Comms http://mwrf.com/systems/manpack-radio-plus-muos-satellite-equals-long-distance-military-comms <div class="node-body article-body">A demonstration using two-channel Manpack radios and Mobile User Objective System (MUOS) satellites showed how the technology can deliver secure communications over long distances for military purposes.</div> <div class="field-content-focus"> <span>Content Classification:&nbsp;</span> Curated </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/manpack-radio-plus-muos-satellite-equals-long-distance-military-comms" target="_blank">read more</a></p> http://mwrf.com/systems/manpack-radio-plus-muos-satellite-equals-long-distance-military-comms#comments News Systems Thu, 11 Sep 2014 13:56:00 +0000 28371 at http://mwrf.com <p>General Dynamics technicians test the two-channel AN/PRC-155 Manpack radio in production at the Scottsdale facility. (Image courtesy of General Dynamics C4 Systems)</p> Industry, Academia Worlds Collide in Communications Research Lab http://mwrf.com/services/industry-academia-worlds-collide-communications-research-lab <div class="node-body article-body">The Raytheon-UMass Lowell Research Institute (RURI) will give students the tools to research and develop the latest in radar and communications systems.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/services/industry-academia-worlds-collide-communications-research-lab" target="_blank">read more</a></p> http://mwrf.com/services/industry-academia-worlds-collide-communications-research-lab#comments News Active components Passive components Services Wed, 10 Sep 2014 21:06:00 +0000 28361 at http://mwrf.com <p>The RURI will be housed on the entire fourth floor of the the&nbsp;Mark and Elisia Saab Emerging Technologies and Innovation Center. (Image courtesy of UMass Lowell)</p> Characterization Softwares For Your RF/Microwave Devices http://mwrf.com/systems/characterization-softwares-your-rfmicrowave-devices <div class="field-deck"> Burdened by the challenge of characterizing the latest devices, engineers are looking for solutions to streamline their test processes, analysis, and data management. </div> <div class="node-body article-body">Testing RF/microwave/millimeter-wave devices under a wide operation range for characterization can be time consuming and error prone. Fortunately, companies are forging software/hardware solutions to aid and even automate this process.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/characterization-softwares-your-rfmicrowave-devices" target="_blank">read more</a></p> http://mwrf.com/systems/characterization-softwares-your-rfmicrowave-devices#comments Commercial Defense Systems Test & Measurement - analyzers Test & Measurement - generators Wed, 10 Sep 2014 19:22:00 +0000 28331 at http://mwrf.com