Microwaves & RF http://mwrf.com/rss.xml en USAF Next-Gen Radar Platforms Focus of New Project http://mwrf.com/active-components/usaf-next-gen-radar-platforms-focus-new-project <div class="node-body article-body">GE’s Intelligent Platforms was awarded a contract to develop new radar technologies for the US Air Force.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/usaf-next-gen-radar-platforms-focus-new-project" target="_blank">read more</a></p> http://mwrf.com/active-components/usaf-next-gen-radar-platforms-focus-new-project#comments News Active components Defense Systems Fri, 27 Mar 2015 18:47:00 +0000 32811 at http://mwrf.com Testing S-Parameters on Pulsed Radar Power Amplifier Modules http://mwrf.com/active-components/testing-s-parameters-pulsed-radar-power-amplifier-modules <div class="field-deck"> Sponsored by: Rohde & Schwarz </div> <div class="node-body article-body">In many cases, devices need to be characterized using pulsed instead of CW signals. Be it for on-wafer measurement of power amplifiers, where heat sinks are difficult or even impossible to implement, for power amplifier modules for pulsed radar systems or other applications. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/testing-s-parameters-pulsed-radar-power-amplifier-modules" target="_blank">read more</a></p> http://mwrf.com/active-components/testing-s-parameters-pulsed-radar-power-amplifier-modules#comments Active components Analog semiconductors Digital semiconductors Mixed-signal semiconductors Test & Measurement - analyzers White Paper Fri, 27 Mar 2015 14:17:00 +0000 32801 at http://mwrf.com Power Added Efficiency Measurement http://mwrf.com/active-components/power-added-efficiency-measurement <div class="field-deck"> Sponsored by: Rohde & Schwarz </div> <div class="node-body article-body">Besides the four s-parameters, hot-s22 and stability, the Power Added Efficiency (PAE) is a key parameter for amplifier which represents how efficient the amplifier converts DC energy to RF energy.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/power-added-efficiency-measurement" target="_blank">read more</a></p> http://mwrf.com/active-components/power-added-efficiency-measurement#comments Active components Analog semiconductors Digital semiconductors Mixed-signal semiconductors Test & Measurement - analyzers White Paper Fri, 27 Mar 2015 14:17:00 +0000 32791 at http://mwrf.com Envelope Tracking and Digital Pre-Distortion Test Solution for RF Amplifiers http://mwrf.com/active-components/envelope-tracking-and-digital-pre-distortion-test-solution-rf-amplifiers <div class="field-deck"> Sponsored by: Rohde & Schwarz </div> <div class="node-body article-body">An increasing number of power amplifiers (PA) support the envelope tracking (ET) technology in order to reduce power consumption and improve efficiency. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/envelope-tracking-and-digital-pre-distortion-test-solution-rf-amplifiers" target="_blank">read more</a></p> http://mwrf.com/active-components/envelope-tracking-and-digital-pre-distortion-test-solution-rf-amplifiers#comments Active components Analog semiconductors Digital semiconductors Mixed-signal semiconductors Test & Measurement - analyzers White Paper Fri, 27 Mar 2015 14:17:00 +0000 32781 at http://mwrf.com Network-in-a-Box Meets Software to Extend Tactical C4 http://mwrf.com/systems/network-box-meets-software-extend-tactical-c4 <div class="node-body article-body">When implemented with the SmartLink network, the TACCOMS operations system extends and enriches tactical communications.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/network-box-meets-software-extend-tactical-c4" target="_blank">read more</a></p> http://mwrf.com/systems/network-box-meets-software-extend-tactical-c4#comments Active components Defense Systems Thu, 26 Mar 2015 18:26:00 +0000 32771 at http://mwrf.com Satellites Shift, Refocus Broadband Capacity http://mwrf.com/systems/satellites-shift-refocus-broadband-capacity <div class="node-body article-body">The ViaSat Flexible Broadband System gives users the ability to shift or add capacity anywhere within the satellite’s coverage area.</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/satellites-shift-refocus-broadband-capacity" target="_blank">read more</a></p> http://mwrf.com/systems/satellites-shift-refocus-broadband-capacity#comments News Mobile Systems Thu, 26 Mar 2015 16:07:00 +0000 32761 at http://mwrf.com Smart Baby-Bottle Holder Helps Prevent Colic http://mwrf.com/systems/smart-baby-bottle-holder-helps-prevent-colic <div class="node-body article-body">The Baby Gigl smart baby-bottle holder provides alerts when feeding bottles are held at incorrect angles, which helps prevent indigestion. </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/smart-baby-bottle-holder-helps-prevent-colic" target="_blank">read more</a></p> http://mwrf.com/systems/smart-baby-bottle-holder-helps-prevent-colic#comments News Medical Systems Wed, 25 Mar 2015 15:58:00 +0000 32751 at http://mwrf.com <p>The Baby Gigl smart baby-bottle holder provides alerts when feeding bottles are held at incorrect angles, which helps prevent indigestion. (Images courtesy of Slow Control)&nbsp;</p> What’s the Difference between OpenVPX, OpenRFM, and MORA? http://mwrf.com/systems/what-s-difference-between-openvpx-openrfm-and-mora <div class="field-deck"> Using commercial strategies and technologies for military-grade RF/microwave systems promises to reduce costs while increasing flexibility. </div> <div class="node-body article-body">Employing open and modular platforms for RF/microwave systems could substantially decrease initial cost and maintenance while reducing the time and cost of upgrading legacy systems.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/what-s-difference-between-openvpx-openrfm-and-mora" target="_blank">read more</a></p> http://mwrf.com/systems/what-s-difference-between-openvpx-openrfm-and-mora#comments Defense Systems Wed, 25 Mar 2015 13:59:00 +0000 32731 at http://mwrf.com What’s the Difference between OpenVPX, OpenRFM, and MORA? (.PDF Download) http://mwrf.com/datasheet/what-s-difference-between-openvpx-openrfm-and-mora-pdf-download <div class="node-body datasheet-body"><p>As a cost-saving strategy that adopts commercial processes, standards to increase the modularity and flexibility of electronic-warfare (EW) and signal-intelligence (SIGINT) equipment are being developed by military research organizations, device/component manufacturers, and standards groups. The motivation for this effort...</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, 25 Mar 2015 13:38:00 +0000 32741 at http://mwrf.com DGS Resonators Form Compact Filters http://mwrf.com/passive-components/dgs-resonators-form-compact-filters <div class="field-byline"> Dr. Ahmed Boutejdar and Ahmed A. Ibrahim </div> <div class="field-deck"> The use of DGS resonators can help to shrink bandpass and bandstop filters—at the same time achieving both high selectivity and sharp transitions from passbands to stopbands. </div> <div class="node-body article-body">The use of DGS resonators can help to shrink bandpass and bandstop filters while also achieving high selectivity along with sharp transitions from passbands to stopbands. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/dgs-resonators-form-compact-filters" target="_blank">read more</a></p> http://mwrf.com/passive-components/dgs-resonators-form-compact-filters#comments Commercial Defense Industrial Passive components Tue, 24 Mar 2015 16:57:00 +0000 32001 at http://mwrf.com DGS Resonators Form Compact Filters (.PDF Download) http://mwrf.com/datasheet/dgs-resonators-form-compact-filters-pdf-download <div class="node-body datasheet-body"><p>Rapid growth of modern communication systems has encouraged the development of a number of different compact filters with special specifications, such as multiband operation. Defected ground structures (DGS) have been employed in a growing number of RF/microwave components, including...</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 Tue, 24 Mar 2015 16:45:00 +0000 32711 at http://mwrf.com Standards Update: MIPI Alliance Spec for RF Front-End Control Interface 2.0 http://mwrf.com/active-components/standards-update-mipi-alliance-spec-rf-front-end-control-interface-20 <div class="node-body article-body">The MIPI Alliance announced version 2.0 of the RF Front-End (RFFE) Control Interface specification, which simplifies the design and interoperability of RFFE devices.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/standards-update-mipi-alliance-spec-rf-front-end-control-interface-20" target="_blank">read more</a></p> http://mwrf.com/active-components/standards-update-mipi-alliance-spec-rf-front-end-control-interface-20#comments News Active components Mobile Services Systems Tue, 24 Mar 2015 16:22:00 +0000 32721 at http://mwrf.com <p>The MIPI Alliance announced version 2.0 of the RF Front-End (RFFE) Control Interface specification, which simplifies the design and interoperability of RFFE devices. (Image courtesy of the MIPI Alliance)</p> Screening through Spectrum Analyzers http://mwrf.com/blog/screening-through-spectrum-analyzers <div class="node-body blog-body">Spectrum analyzers have long been among the most useful and versatile of RF/microwave instruments. </div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/measuring-progress">Measuring Progress</a></li> </ul></div><p><a href="http://mwrf.com/blog/screening-through-spectrum-analyzers" target="_blank">read more</a></p> http://mwrf.com/blog/screening-through-spectrum-analyzers#comments Test & Measurement - analyzers Measuring Progress Tue, 24 Mar 2015 15:59:00 +0000 32701 at http://mwrf.com Microsemi Acquires Vitesse to Expand IoT Commitment http://mwrf.com/semiconductors/microsemi-acquires-vitesse-expand-iot-commitment <div class="node-body article-body">Microsemi entered a definitive agreement to acquire Vitesse Semiconductor, a transaction valued at about $389 million.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/semiconductors/microsemi-acquires-vitesse-expand-iot-commitment" target="_blank">read more</a></p> http://mwrf.com/semiconductors/microsemi-acquires-vitesse-expand-iot-commitment#comments News Microsemi Analog semiconductors Digital semiconductors Mixed-signal semiconductors Semiconductors Mon, 23 Mar 2015 17:20:00 +0000 32691 at http://mwrf.com SIW Bandpass Filter Screens S-Band Signals http://mwrf.com/passive-components/siw-bandpass-filter-screens-s-band-signals <div class="field-byline"> Boualem Mansouri, Mehadji Abri, Hadjira Abri, Mohamed Amine Rabah, Junwa Tao, and Tan-Hoa Vuong </div> <div class="field-deck"> Substrate-integrated-waveguide (SIW) technology can be applied toward the design and fabrication of a low-cost, compact S-band bandpass filter. </div> <div class="node-body article-body">A compact S-band bandpass filter was developed based on substrate-integrated-waveguide (SIW) technology. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/siw-bandpass-filter-screens-s-band-signals" target="_blank">read more</a></p> http://mwrf.com/passive-components/siw-bandpass-filter-screens-s-band-signals#comments Commercial Defense Industrial Passive components Mon, 23 Mar 2015 14:28:00 +0000 32011 at http://mwrf.com SIW Bandpass Filter Screens S-Band Signals (.PDF Download) http://mwrf.com/datasheet/siw-bandpass-filter-screens-s-band-signals-pdf-download <div class="node-body datasheet-body"><p>Substrate-integrated-waveguide (SIW) technology can bring some of the performance benefits of waveguide transmission lines to compact microstrip printed-circuit-board (PCB) components, including filters. To demonstrate some of the promise of SIW technology...</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 Mon, 23 Mar 2015 14:18:00 +0000 32681 at http://mwrf.com 300-GHz Transceiver Boasts On-Chip LO and Mixers http://mwrf.com/active-components/300-ghz-transceiver-boasts-chip-lo-and-mixers-0 <div class="node-body article-body">Researchers from Korea and the United States designed a 300-GHz transceiver for wideband communications and imaging applications. It houses fundamental local oscillators and mixers on a 250-nm indium-phosphide double-heterojunction bipolar transistor process.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/300-ghz-transceiver-boasts-chip-lo-and-mixers-0" target="_blank">read more</a></p> http://mwrf.com/active-components/300-ghz-transceiver-boasts-chip-lo-and-mixers-0#comments Active components Commercial Defense Fri, 20 Mar 2015 16:00:00 +0000 32671 at http://mwrf.com MEMS Switch Hits Millimeter-Wave Frequencies http://mwrf.com/active-components/mems-switch-hits-millimeter-wave-frequencies-0 <div class="node-body article-body">Researchers from Canada explore a waveguide structure internally lined with MEMS cantilever actuators in order to realize a millimeter-wave switch that can operate from 60 to 75 GHz.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/mems-switch-hits-millimeter-wave-frequencies-0" target="_blank">read more</a></p> http://mwrf.com/active-components/mems-switch-hits-millimeter-wave-frequencies-0#comments Active components Commercial Industrial Fri, 20 Mar 2015 15:03:00 +0000 32661 at http://mwrf.com New Modulation Method Could Be Part of 5G http://mwrf.com/blog/new-modulation-method-could-be-part-5g <div class="node-body blog-body">All of the basic modulation schemes have been known for over a century and even the newer ones are many decades old. </div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/line-sight">Line of Sight</a></li> </ul></div><p><a href="http://mwrf.com/blog/new-modulation-method-could-be-part-5g" target="_blank">read more</a></p> http://mwrf.com/blog/new-modulation-method-could-be-part-5g#comments Services Line of Sight Fri, 20 Mar 2015 13:45:00 +0000 32651 at http://mwrf.com March 2015 http://mwrf.com/microwaves-and-rf/2015-03-19 <div class="node-body magazine_issue-body"></div> <fieldset class="fieldgroup group-mag-teasers"> <div class="field-mag-teaser"> <a href="/test-measurement-generators/top-6-challenges-signal-generators-handling-lte-wi-fi-and-5g">The Top 6 Challenges for Signal Generators Handling LTE, Wi-Fi, and 5G</a> <a href="/passive-components/why-more-rf-engineers-are-choosing-fiber-connectors">Why More RF Engineers Are Choosing Fiber Connectors</a> <a href="/services/inside-track-tim-morin-director-marketing-microsemi">Inside Track: Tim Morin, Director of Marketing, Microsemi</a> </div> </fieldset> <fieldset class="fieldgroup group-publication-info"><legend>Publication Info</legend> </fieldset> <div class="og_rss_groups"></div> Thu, 19 Mar 2015 04:00:00 +0000 32641 at http://mwrf.com GALLERY: Multi-Function Microwave/RF Instruments http://mwrf.com/test-measurement-analyzers/gallery-multi-function-microwaverf-instruments <div class="node-body gallery-body">As RF/microwave testing becomes more complex and devices with radios continue to proliferate, demands will intensify for test instruments that can handle a wide range of applications. </div> <div class="field-interstitial-ads-frequency"> <span>Interstitial Ads Frequency:&nbsp;</span> -1 </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement-analyzers/gallery-multi-function-microwaverf-instruments" target="_blank">read more</a></p> http://mwrf.com/test-measurement-analyzers/gallery-multi-function-microwaverf-instruments#comments Test & Measurement Test & Measurement - analyzers Test & Measurement - generators Tue, 17 Mar 2015 19:04:00 +0000 32631 at http://mwrf.com Miniature Resonator Guides UWB Divider http://mwrf.com/passive-components/miniature-resonator-guides-uwb-divider <div class="field-byline"> Dr. Xin Xu </div> <div class="field-deck"> A ring-multiple-mode-resonator (RMMR) structure enables a compact, two-way power divider to achieve consistent performance. </div> <div class="node-body article-body">This use of a novel resonator structure made possible a compact circuit for an UWB two-way power divider. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/miniature-resonator-guides-uwb-divider" target="_blank">read more</a></p> http://mwrf.com/passive-components/miniature-resonator-guides-uwb-divider#comments Commercial Industrial Passive components Mon, 16 Mar 2015 19:53:00 +0000 32021 at http://mwrf.com Miniature Resonator Guides UWB Divider (.PDF Download) http://mwrf.com/datasheet/miniature-resonator-guides-uwb-divider-pdf-download <div class="node-body datasheet-body"><p>Ultrawideband (UWB) communications systems offer great promise for effective, short-range communications at relatively high data rates. To develop such systems, of course, various active and passive components...</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 Mon, 16 Mar 2015 19:41:00 +0000 32621 at http://mwrf.com Cardboard and Inkjet Printed Silver Make One Good Power Harvester http://mwrf.com/systems/cardboard-and-inkjet-printed-silver-make-one-good-power-harvester <div class="node-body article-body">Researchers from Finland and the U.S. designed an environmentally friendly 800-to-1500-MHz energy harvesting antenna using biodegradable materials. In doing so, they developed a fabrication process that achieved reasonable energy efficiency over a wide bandwidth.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/cardboard-and-inkjet-printed-silver-make-one-good-power-harvester" target="_blank">read more</a></p> http://mwrf.com/systems/cardboard-and-inkjet-printed-silver-make-one-good-power-harvester#comments Commercial Passive components Systems Sat, 14 Mar 2015 19:10:00 +0000 32571 at http://mwrf.com Design FAQ: GaN Reaches into a Spectrum of Markets http://mwrf.com/white-paper/design-faq-gan-reaches-spectrum-markets <div class="field-deck"> Sponsored by: Qorvo </div> <div class="node-body article-body">What types of GaN devices are available in the RF market today? With any semiconductor technology, proper thermal management is important to the overall reliability of the device.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/white-paper/design-faq-gan-reaches-spectrum-markets" target="_blank">read more</a></p> http://mwrf.com/white-paper/design-faq-gan-reaches-spectrum-markets#comments White Paper Fri, 13 Mar 2015 16:32:00 +0000 32581 at http://mwrf.com GALLERY: USB Test Instruments - Network Analyzers http://mwrf.com/test-measurement-analyzers/gallery-usb-test-instruments-network-analyzers <div class="node-body gallery-body">We’ve rounded up some network analyzers for your USB test-instrument needs.</div> <div class="field-interstitial-ads-frequency"> <span>Interstitial Ads Frequency:&nbsp;</span> -1 </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement-analyzers/gallery-usb-test-instruments-network-analyzers" target="_blank">read more</a></p> http://mwrf.com/test-measurement-analyzers/gallery-usb-test-instruments-network-analyzers#comments Test & Measurement - analyzers Fri, 13 Mar 2015 15:47:00 +0000 32541 at http://mwrf.com Transcorder Tackles 50 MHz to 6 GHz http://mwrf.com/systems/transcorder-tackles-50-mhz-6-ghz <div class="field-deck"> Within its nearly 6-GHz wide bandwidth, this compact signal recorder/playback system can capture as much as 80 MHz of bandwidth in two 40-MHz frequency spans. </div> <div class="node-body article-body"><p>Measuring RF/microwave signal activity is not always easy because of the changing nature of those signals, especially when the activity may be irregular or inconsistent. Yet, it is often necessary to have some form of record of a particular signal, especially when characterizing or documenting the activity of different wireless systems.</p></div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/transcorder-tackles-50-mhz-6-ghz" target="_blank">read more</a></p> http://mwrf.com/systems/transcorder-tackles-50-mhz-6-ghz#comments Commercial Systems Thu, 12 Mar 2015 21:19:00 +0000 32551 at http://mwrf.com Transcorder Tackles 50 MHz to 6 GHz (.PDF Download) http://mwrf.com/datasheet/transcorder-tackles-50-mhz-6-ghz-pdf-download <div class="node-body datasheet-body"><p>Measuring RF/microwave signal activity is not always easy because of the changing nature of those signals, especially when the activity may be irregular or inconsistent. Yet, it is often necessary to have...</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, 12 Mar 2015 20:59:00 +0000 32561 at http://mwrf.com RF Instrument Fusion Embraces PC-Driven and Modular Architectures http://mwrf.com/blog/rf-instrument-fusion-embraces-pc-driven-and-modular-architectures <div class="node-body blog-body"><p><img alt="" src="/site-files/mwrf.com/files/uploads/2015/02/MacBookUSBC_Fig.jpg" style="width: 595px; height: 335px;" title="At Apple’s conference on Monday, the company announced that the new MacBooks will feature a single USB-C omniport. (Image courtesy of Apple)" /></p> <p>TEXT.</p> </div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/splitting-signals">Splitting Signals</a></li> </ul></div><p><a href="http://mwrf.com/blog/rf-instrument-fusion-embraces-pc-driven-and-modular-architectures" target="_blank">read more</a></p> http://mwrf.com/blog/rf-instrument-fusion-embraces-pc-driven-and-modular-architectures#comments Test & Measurement - analyzers Test & Measurement - generators Splitting Signals Thu, 12 Mar 2015 15:43:00 +0000 32531 at http://mwrf.com The Weekly Buzz (March 12th, 2015) http://mwrf.com/news/weekly-buzz-march-12th-2015 <div class="field-deck"> The latest in company news from across the microwaves & RF industry. </div> <div class="node-body article-body">The latest in company news from across the microwaves & RF industry.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/news/weekly-buzz-march-12th-2015" target="_blank">read more</a></p> http://mwrf.com/news/weekly-buzz-march-12th-2015#comments News Active components Commercial Components Mobile Passive components Semiconductors Services Systems Test & Measurement Test & Measurement - analyzers Test & Measurement - generators Thu, 12 Mar 2015 12:46:00 +0000 32481 at http://mwrf.com