Microwaves & RF http://mwrf.com/rss.xml en Graphene, Silicon Combo Could Replace Copper for Electronics Coatings http://mwrf.com/passive-components/graphene-silicon-combo-could-replace-copper-electronics-coatings <div class="node-body article-body">A grant has been awarded to 2-DTech in order to find a process in which a graphene, silicon combination could be used to coat electronics without corrosion. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/graphene-silicon-combo-could-replace-copper-electronics-coatings" target="_blank">read more</a></p> http://mwrf.com/passive-components/graphene-silicon-combo-could-replace-copper-electronics-coatings#comments News Industrial Passive components Fri, 27 Feb 2015 17:53:00 +0000 31961 at http://mwrf.com <p>A grant has been awarded to 2-DTech in order to find a process in which a graphene, silicon combination could be used to coat electronics without corrosion. (Image courtesy of 2-DTech)</p> Technology Provides Easy Switch Between Satellite, Cellular Communications http://mwrf.com/systems/technology-provides-easy-switch-between-satellite-cellular-communications <div class="node-body article-body">Trials of a cellular-network-in-a-box, SmartLink, proved successful in conjunction with terminal solutions to easily switch from secure cellular to satellite communications.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/technology-provides-easy-switch-between-satellite-cellular-communications" target="_blank">read more</a></p> http://mwrf.com/systems/technology-provides-easy-switch-between-satellite-cellular-communications#comments News Defense Mobile Systems Fri, 27 Feb 2015 17:47:00 +0000 31951 at http://mwrf.com <p>Avanti&rsquo;s satellite, HYLAS-1, was Europe&rsquo;s first Ka-band satellite. (Image courtesy of the UK Space Agency)</p> LED Control System Simplifies Wireless Setup http://mwrf.com/systems/led-control-system-simplifies-wireless-setup <div class="node-body article-body">EnOcean has launched a complete LED control system that includes a family of LED controllers to support instantaneous and simplified wireless control.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/led-control-system-simplifies-wireless-setup" target="_blank">read more</a></p> http://mwrf.com/systems/led-control-system-simplifies-wireless-setup#comments News Mobile Systems Fri, 27 Feb 2015 17:38:00 +0000 31941 at http://mwrf.com Integrated Chipsets Break Ground for 5G Communications http://mwrf.com/digital-semiconductors/integrated-chipsets-break-ground-5g-communications <div class="node-body article-body">Broadcom’s latest integrated chipsets help deliver the spectral efficiency necessary for 5G communications.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/digital-semiconductors/integrated-chipsets-break-ground-5g-communications" target="_blank">read more</a></p> http://mwrf.com/digital-semiconductors/integrated-chipsets-break-ground-5g-communications#comments News Components Digital semiconductors Fri, 27 Feb 2015 15:10:00 +0000 31901 at http://mwrf.com Processor Upgrade Boosts X-Band Radar’s Missile Tracking Capabilities http://mwrf.com/systems/processor-upgrade-boosts-x-band-radar-s-missile-tracking-capabilities <div class="node-body article-body">Raytheon has begun upgrading the electronic equipment units (EEUs) for the AN/TPY-2 ballistic radar units to fine-tune the tracking of ballistic missiles in potential large-scale raids.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/processor-upgrade-boosts-x-band-radar-s-missile-tracking-capabilities" target="_blank">read more</a></p> http://mwrf.com/systems/processor-upgrade-boosts-x-band-radar-s-missile-tracking-capabilities#comments News Defense Systems Fri, 27 Feb 2015 14:05:00 +0000 31931 at http://mwrf.com <p>Raytheon has begun upgrading the electronic equipment units (EEUs) for the AN/TPY-2 ballistic radar units to fine-tune the tracking of ballistic missiles in potential large-scale raids. (Image courtesy of Raytheon)</p> Troposcatter System Maintains 50-Mb/s Connection Over 100 Miles http://mwrf.com/systems/troposcatter-system-maintains-50-mbs-connection-over-100-miles <div class="node-body article-body">A Tactical Transportable Troposcatter (3T) system recently completed successful testing providing high bandwidth 50 Mb/s speeds over 100 miles.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/troposcatter-system-maintains-50-mbs-connection-over-100-miles" target="_blank">read more</a></p> http://mwrf.com/systems/troposcatter-system-maintains-50-mbs-connection-over-100-miles#comments News Defense Systems Fri, 27 Feb 2015 14:03:00 +0000 31921 at http://mwrf.com <p>A Tactical Transportable Troposcatter (3T) system recently completed successful testing providing high bandwidth 50 Mb/s speeds over 100 miles. (Image courtesy of&nbsp;TeleCommunication Systems)</p> Simulating Radar System Performance http://mwrf.com/defense/simulating-radar-system-performance <div class="field-deck"> Sponsored by: National Instruments </div> <div class="node-body article-body">As radar technology continues to evolve and expand, radar design requires effective simulation of a myriad of waveform modifications needed for different systems.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/defense/simulating-radar-system-performance" target="_blank">read more</a></p> http://mwrf.com/defense/simulating-radar-system-performance#comments Components Defense White Paper Thu, 26 Feb 2015 19:36:00 +0000 31911 at http://mwrf.com Understanding Carrier Aggregation http://mwrf.com/test-measurement-analyzers/understanding-carrier-aggregation <div class="field-deck"> Sponsored by: Anritsu </div> <div class="node-body article-body">This paper discusses Carrier Aggregation (CA) evolution in HSPA and LTE Networks, the implication on the architecture and the User Equipment. It also discusses the testing method to </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement-analyzers/understanding-carrier-aggregation" target="_blank">read more</a></p> http://mwrf.com/test-measurement-analyzers/understanding-carrier-aggregation#comments Digital semiconductors Test & Measurement - analyzers Test & Measurement - generators White Paper Mon, 23 Feb 2015 16:57:00 +0000 31881 at http://mwrf.com Neighbor Cell Detection Test http://mwrf.com/test-measurement-analyzers/neighbor-cell-detection-test <div class="field-deck"> Sponsored by: Anritsu </div> <div class="node-body article-body">With more and more radio technologies introduced, as well as the concept of HetNet, the testing for mobile devices becomes ever increasingly complex. A cellular phone’s neighbor cell detection capability is important to its overall performance, not only for mobility behavior such as re-selection and handover but also for cellular-assisted location estimation.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement-analyzers/neighbor-cell-detection-test" target="_blank">read more</a></p> http://mwrf.com/test-measurement-analyzers/neighbor-cell-detection-test#comments Digital semiconductors Test & Measurement - analyzers Test & Measurement - generators White Paper Mon, 23 Feb 2015 16:57:00 +0000 31871 at http://mwrf.com Lowering the Cost of Wireless Manufacturing Test http://mwrf.com/test-measurement-analyzers/lowering-cost-wireless-manufacturing-test <div class="field-deck"> Sponsored by: Anritsu </div> <div class="node-body article-body">This white paper covers the basics of non-signaling test from 10 MHz to 6 GHz, the technology models of implementing a non-signaling test setup, approaches to lowering the overall test cost, as well as turnkey chipset-specific calibration and verification solution.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement-analyzers/lowering-cost-wireless-manufacturing-test" target="_blank">read more</a></p> http://mwrf.com/test-measurement-analyzers/lowering-cost-wireless-manufacturing-test#comments Digital semiconductors Test & Measurement - analyzers Test & Measurement - generators White Paper Mon, 23 Feb 2015 16:57:00 +0000 31861 at http://mwrf.com Pinpoint the High-Frequency Resistance of Toroidal Windings http://mwrf.com/passive-components/pinpoint-high-frequency-resistance-toroidal-windings <div class="node-body article-body">Using finite-element analysis and modeling mathematics, it’s possible to develop formulas and graphs that help to calculate the high-frequency resistance of single- and double-layer toroidal inductors.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/pinpoint-high-frequency-resistance-toroidal-windings" target="_blank">read more</a></p> http://mwrf.com/passive-components/pinpoint-high-frequency-resistance-toroidal-windings#comments Commercial Defense Medical Passive components Sun, 22 Feb 2015 01:24:00 +0000 31851 at http://mwrf.com These 11 Specifications Define PIN-Diode Switches http://mwrf.com/active-components/these-11-specifications-define-pin-diode-switches <div class="node-body article-body">From switch type to compression point, PIN-diode-switch parameters must be precisely specified during system-level design to ensure functional or optimized end products.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/these-11-specifications-define-pin-diode-switches" target="_blank">read more</a></p> http://mwrf.com/active-components/these-11-specifications-define-pin-diode-switches#comments Active components Commercial Defense Medical Test & Measurement - analyzers Sat, 21 Feb 2015 20:53:00 +0000 31841 at http://mwrf.com Scientists Compare Phase Noise With Vector OFDM http://mwrf.com/systems/scientists-compare-phase-noise-vector-ofdm <div class="node-body article-body">Because V-OFDM has been shown to generally outperform OFDM, researchers are interested in analyzing it and performing preliminary compensation for phase noise studies with V-OFDM systems.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/scientists-compare-phase-noise-vector-ofdm" target="_blank">read more</a></p> http://mwrf.com/systems/scientists-compare-phase-noise-vector-ofdm#comments Commercial Defense Industrial Systems Fri, 20 Feb 2015 21:54:00 +0000 31831 at http://mwrf.com Compare HetNet Cost and Capacity from 0.7 to 28 GHz http://mwrf.com/active-components/compare-hetnet-cost-and-capacity-07-28-ghz <div class="node-body article-body">In an attempt to assess the cost-effectiveness of different heterogeneous network implementations, researchers studied the deployment and evaluations of several path/propagation loss models. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/compare-hetnet-cost-and-capacity-07-28-ghz" target="_blank">read more</a></p> http://mwrf.com/active-components/compare-hetnet-cost-and-capacity-07-28-ghz#comments Active components Commercial Industrial Services Systems Fri, 20 Feb 2015 17:02:00 +0000 31821 at http://mwrf.com Researchers Demonstrate SDR-Based Wireless Tomography http://mwrf.com/active-components/researchers-demonstrate-sdr-based-wireless-tomography <div class="node-body article-body">To enhance RF remote sensing technology, researchers used phase-reconstruction techniques and modern SDR devices to create tomographic maps of objects.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/researchers-demonstrate-sdr-based-wireless-tomography" target="_blank">read more</a></p> http://mwrf.com/active-components/researchers-demonstrate-sdr-based-wireless-tomography#comments Active components Commercial Defense Industrial Fri, 20 Feb 2015 15:42:00 +0000 31811 at http://mwrf.com The Internet of Things http://mwrf.com/microwaves-and-rf/2015-02-20 <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> Fri, 20 Feb 2015 05:00:00 +0000 31801 at http://mwrf.com Telecom Leverages Advanced Modem Technology to Cut OpEx and Free-Up Spectrum http://mwrf.com/active-components/telecom-leverages-advanced-modem-technology-cut-opex-and-free-spectrum <div class="field-deck"> Sponsored by: Teledyne Microwave Solutions </div> <div class="node-body article-body">In Australia, Telstra must provide reliable satellite telecommunications across very diverse geographies, and often during weather emergencies and other extreme conditions.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/telecom-leverages-advanced-modem-technology-cut-opex-and-free-spectrum" target="_blank">read more</a></p> http://mwrf.com/active-components/telecom-leverages-advanced-modem-technology-cut-opex-and-free-spectrum#comments Active components Services Software Systems White Paper Thu, 19 Feb 2015 19:54:00 +0000 31791 at http://mwrf.com SSPA Technology Achieves 10 kW, CW, at S-Band http://mwrf.com/active-components/sspa-technology-achieves-10-kw-cw-s-band <div class="field-deck"> Sponsored by: Teledyne Microwave Solutions </div> <div class="node-body article-body">This paper delves into the industry’s leading SSPA technology for video broadcasters and gateway earth stations. The GaN PowerMAX system is fully redundant for the highest MTBF; fully modular for the lowest MTTR; GaN-based for maximum efficiency: and field-upgradeable. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/sspa-technology-achieves-10-kw-cw-s-band" target="_blank">read more</a></p> http://mwrf.com/active-components/sspa-technology-achieves-10-kw-cw-s-band#comments Active components Software Systems White Paper Thu, 19 Feb 2015 19:46:00 +0000 31781 at http://mwrf.com The Business Case: Solving the TDMA vs. SCPC Dilemma http://mwrf.com/active-components/business-case-solving-tdma-vs-scpc-dilemma <div class="field-deck"> Sponsored by: Teledyne Microwave Solutions </div> <div class="node-body article-body">It’s that age-old satcom dilemma: the high utilization of VSAT or the highly efficient throughput of SCPC? However, new bandwidth management technology delivers both high utilization AND high throughput efficiency for maximum link efficiency and optimized space segment.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/business-case-solving-tdma-vs-scpc-dilemma" target="_blank">read more</a></p> http://mwrf.com/active-components/business-case-solving-tdma-vs-scpc-dilemma#comments Active components Services Software Systems White Paper Thu, 19 Feb 2015 19:20:00 +0000 31771 at http://mwrf.com High-Power Amps Boost 87.5- to 230-MHz Apps http://mwrf.com/active-components/high-power-amps-boost-875-230-mhz-apps <div class="node-body article-body">A line of high-power amplifier supports EMI testing and other applications. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/high-power-amps-boost-875-230-mhz-apps" target="_blank">read more</a></p> http://mwrf.com/active-components/high-power-amps-boost-875-230-mhz-apps#comments Active components Commercial Industrial Thu, 19 Feb 2015 16:21:00 +0000 31761 at http://mwrf.com EMI Tester Scans 20 Hz to 3.6 GHz http://mwrf.com/test-measurement-analyzers/emi-tester-scans-20-hz-36-ghz <div class="node-body article-body">This EMI test receiver scans 20 Hz to 3.6 GHz.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement-analyzers/emi-tester-scans-20-hz-36-ghz" target="_blank">read more</a></p> http://mwrf.com/test-measurement-analyzers/emi-tester-scans-20-hz-36-ghz#comments Keysight Technologies Commercial Defense Industrial Test & Measurement - analyzers Thu, 19 Feb 2015 15:56:00 +0000 31751 at http://mwrf.com OCXOs Can Take the Heat http://mwrf.com/active-components/ocxos-can-take-heat <div class="node-body article-body">A line of OCXOs in standard clock frequencies provides stable performance at operating temperatures to +95°C. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/ocxos-can-take-heat" target="_blank">read more</a></p> http://mwrf.com/active-components/ocxos-can-take-heat#comments Active components Commercial Defense Industrial Thu, 19 Feb 2015 14:39:00 +0000 31721 at http://mwrf.com Tuning-Control Switches Aid Antenna Adjustments http://mwrf.com/active-components/tuning-control-switches-aid-antenna-adjustments <div class="node-body article-body">A pair of control switches serve antenna tuning applications to 3 GHz. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/tuning-control-switches-aid-antenna-adjustments" target="_blank">read more</a></p> http://mwrf.com/active-components/tuning-control-switches-aid-antenna-adjustments#comments Active components Commercial Industrial Tue, 17 Feb 2015 21:48:00 +0000 31711 at http://mwrf.com CCCDTAs Form Flexible Biquad Filter http://mwrf.com/passive-components/cccdtas-form-flexible-biquad-filter <div class="field-byline"> Shaojiang Lin and Qinian Shi </div> <div class="field-deck"> Through the use of current-controlled, current-differencing transconductance amplifiers (CCCDTAs) and a pair of capacitors, this resistorless universal biquad filter can achieve all basic filtering functions. </div> <div class="node-body article-body">This single circuit can realize all five of the essential analog filter responses. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/cccdtas-form-flexible-biquad-filter" target="_blank">read more</a></p> http://mwrf.com/passive-components/cccdtas-form-flexible-biquad-filter#comments Commercial Defense Industrial Passive components Thu, 12 Feb 2015 20:11:00 +0000 31651 at http://mwrf.com CCCDTAs Form Flexible Biquad Filter (.PDF Download) http://mwrf.com/datasheet/cccdtas-form-flexible-biquad-filter-pdf-download <div class="node-body datasheet-body"><p>Filters have long been instrumental in cleaning and sorting signals. Likewise, the concept of a &ldquo;universal&rdquo; filter has long intrigued designers...</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 Feb 2015 19:58:00 +0000 31701 at http://mwrf.com Variable Attenuator Blends Dynamic Range, Linearity http://mwrf.com/active-components/variable-attenuator-blends-dynamic-range-linearity <div class="field-byline"> Chin Leong Lim </div> <div class="field-deck"> This compact voltage variable PIN-diode-based attenuator provides a wide attenuation range with outstanding linearity well suited for wireless communications systems at 3.5 GHz. </div> <div class="node-body article-body">This compact voltage variable PIN-diode-based attenuator provides a wide attenuation range with outstanding linearity well suited for wireless communications systems at 3.5 GHz. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/variable-attenuator-blends-dynamic-range-linearity" target="_blank">read more</a></p> http://mwrf.com/active-components/variable-attenuator-blends-dynamic-range-linearity#comments Avago Technologies Active components Commercial Thu, 12 Feb 2015 15:24:00 +0000 31681 at http://mwrf.com Variable Attenuator Blends Dynamic Range, Linearity (.PDF Download) http://mwrf.com/datasheet/variable-attenuator-blends-dynamic-range-linearity-pdf-download <div class="node-body datasheet-body"><p>Amplitude control is a critical function in many high-frequency communications and other systems and often handled by a voltage-variable attenuator (VVA). In wireless receivers and transmitters, for example...</p> <p>&nbsp;</p> </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/datasheet/variable-attenuator-blends-dynamic-range-linearity-pdf-download" target="_blank">read more</a></p> Gold Thu, 12 Feb 2015 15:19:00 +0000 31691 at http://mwrf.com Attenuators Program 0.25-dB Steps to 120 dB http://mwrf.com/active-components/attenuators-program-025-db-steps-120-db <div class="field-deck"> Covering frequency ranges from 1 to 4000 MHz and 1 to 6000 MHz, these programmable step attenuators are fast, accurate, and command as much as 120-dB attenuation. </div> <div class="node-body article-body">These programmable step attenuators provide as much as 120-dB attenuation to 4 GHz and as much as 110-dB attenuation to 6 GHz. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/attenuators-program-025-db-steps-120-db" target="_blank">read more</a></p> http://mwrf.com/active-components/attenuators-program-025-db-steps-120-db#comments Mini-Circuits Active components Commercial Industrial Wed, 11 Feb 2015 20:17:00 +0000 31661 at http://mwrf.com Attenuators Program 0.25-dB Steps to 120 dB (.PDF Download) http://mwrf.com/datasheet/attenuators-program-025-db-steps-120-db-pdf-download <div class="node-body datasheet-body"><p>Attenuation is an important electrical characteristic for a wide range of applications, from communications networks to measurement systems. Attenuators come in many shapes and sizes, ranging from...</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, 11 Feb 2015 20:02:00 +0000 31671 at http://mwrf.com Low-Power UWB CMOS LNA Gains 4 to 5 GHz http://mwrf.com/active-components/low-power-uwb-cmos-lna-gains-4-5-ghz <div class="field-byline"> Chunhua Wang and Wen Wang </div> <div class="field-deck"> Running on very low power and voltage levels, this ultrawideband amplifier builds upon 0.18-μm silicon CMOS semiconductor technology to achieve low noise levels with generous gain. </div> <div class="node-body article-body">This novel low-noise amplifier is designed for applications in Chinese ultrawideband (UWB) systems.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/low-power-uwb-cmos-lna-gains-4-5-ghz" target="_blank">read more</a></p> http://mwrf.com/active-components/low-power-uwb-cmos-lna-gains-4-5-ghz#comments Active components Commercial Industrial Wed, 11 Feb 2015 17:46:00 +0000 31401 at http://mwrf.com