Defense http://mwrf.com/taxonomy/term/6604/more en What Techniques Boost PA Efficiency? http://mwrf.com/active-components/what-techniques-boost-pa-efficiency <div class="field-deck"> To get the greatest efficiency out of high-powered broadband power amplifiers, detailed knowledge of the amplifier behavior over frequency and modulation is required before an optimal design can be chosen. </div> <div class="node-body article-body">The latest and future GaN amplifiers are capable of handling extreme amounts of power over very broad frequencies. This scenario brings up the fascinating design challenge of optimizing output parameters for greater efficiency in such a versatile device. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/what-techniques-boost-pa-efficiency" target="_blank">read more</a></p> http://mwrf.com/active-components/what-techniques-boost-pa-efficiency#comments Active components Commercial Defense Fri, 17 Oct 2014 16:39:00 +0000 29291 at http://mwrf.com Advanced Routers to Strengthen Patriot Missile Prowess http://mwrf.com/systems/advanced-routers-strengthen-patriot-missile-prowess <div class="node-body article-body">Engineers from Raytheon and TELDAT will work together to develop and produce advanced militarized routers with expanded controls for the Patriot Air and Missile Defense (AMD) system.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/advanced-routers-strengthen-patriot-missile-prowess" target="_blank">read more</a></p> http://mwrf.com/systems/advanced-routers-strengthen-patriot-missile-prowess#comments News Defense Systems Thu, 16 Oct 2014 15:39:00 +0000 29261 at http://mwrf.com <p>With more than 200 fire units fielded worldwide, Patriot is the system of choice for 12 nations around the globe. (Image courtesy of Raytheon)</p> PXI/PXIe VNAs Reach 26.5 GHz http://mwrf.com/test-measurement-analyzers/pxipxie-vnas-reach-265-ghz <div class="field-deck"> Built into compact modules, these VNAs make it possible to add two ports of amplitude/phase measurement capabilities at a time, spanning a total measurement range of 300 kHz to 26.5 GHz. </div> <div class="node-body article-body">This new line of PXI/PXIe RF/microwave vector network analyzers packs two ports of measurement power into each module, with available test frequencies to 26.5 GHz</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement-analyzers/pxipxie-vnas-reach-265-ghz" target="_blank">read more</a></p> http://mwrf.com/test-measurement-analyzers/pxipxie-vnas-reach-265-ghz#comments Commercial Defense Industrial Test & Measurement - analyzers Mon, 13 Oct 2014 18:57:00 +0000 29171 at http://mwrf.com UWB Power Divider Has Stopband Filtering http://mwrf.com/passive-components/uwb-power-divider-has-stopband-filtering <div class="field-byline"> Long Xiao, Hao Peng, and Tao Yang </div> <div class="field-deck"> This multilayer power divider features good impedance matching at all ports with high isolation and excellent amplitude and phase balance across a wide bandwidth. </div> <div class="node-body article-body">This compact power divider supports use at UWB frequencies from 3.8 to 10.0 GHz.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/uwb-power-divider-has-stopband-filtering" target="_blank">read more</a></p> http://mwrf.com/passive-components/uwb-power-divider-has-stopband-filtering#comments Commercial Defense Industrial Passive components Fri, 10 Oct 2014 20:18:00 +0000 28681 at http://mwrf.com Compact, Directional Coupler Offers Nominal Coupling of 6 dB http://mwrf.com/passive-components/compact-directional-coupler-offers-nominal-coupling-6-db <div class="node-body article-body">KRYTAR’s Model 181206 is a directional coupler operating over the 12.4 to 18.0 GHz frequency range</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/compact-directional-coupler-offers-nominal-coupling-6-db" target="_blank">read more</a></p> http://mwrf.com/passive-components/compact-directional-coupler-offers-nominal-coupling-6-db#comments Commercial Defense Passive components Tue, 07 Oct 2014 16:59:00 +0000 29011 at http://mwrf.com F-16 Electronic Scanning Radar Enhances Target Detection, Tracking http://mwrf.com/active-components/f-16-electronic-scanning-radar-enhances-target-detection-tracking <div class="node-body article-body">The Scalable Agile Beam Radar (SABR) will extend the radar capabilities and viability of F-16 aircraft thanks to the implementation of an electronically scanned area (AESA) fire-control radar.</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/f-16-electronic-scanning-radar-enhances-target-detection-tracking" target="_blank">read more</a></p> http://mwrf.com/active-components/f-16-electronic-scanning-radar-enhances-target-detection-tracking#comments News Active components Defense Systems Mon, 06 Oct 2014 16:48:00 +0000 28961 at http://mwrf.com <p>Unlike traditional mechanically scanned radars, SABR&rsquo;s electronic scanning eliminates the need for moving parts. (Image courtesy of Northrop Grumman)&nbsp;</p> Airborne Radio in Tune with MUOS Defense Satellites http://mwrf.com/systems/airborne-radio-tune-muos-defense-satellites <div class="node-body article-body">Rockwell Collins claims its ARC-210 is the first airborne radio to operate on the MUOS satellite system, successfully connecting with the communications base station and ground radios.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/airborne-radio-tune-muos-defense-satellites" target="_blank">read more</a></p> http://mwrf.com/systems/airborne-radio-tune-muos-defense-satellites#comments News Defense Systems Mon, 06 Oct 2014 16:29:00 +0000 28951 at http://mwrf.com <p>When combined with the MUOS waveform, the ARC-210 expands and essentially modernizes ultra-high-frequency (UHF) beyond line-of-sight (BLOS) satcom capabilities. (Image courtesy of Rockwell Collins)</p> Don’t Trust that Tower http://mwrf.com/systems/don-t-trust-tower <div class="node-body article-body">Rogue cell towers have been linked to potential national security breaches.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/don-t-trust-tower" target="_blank">read more</a></p> http://mwrf.com/systems/don-t-trust-tower#comments Commercial Defense Editor Columns Systems Mon, 06 Oct 2014 13:52:00 +0000 28931 at http://mwrf.com UPDATE: MEADS Radar Performs 360-Deg. Rotation For Missile Tracking http://mwrf.com/systems/update-meads-radar-performs-360-deg-rotation-missile-tracking <div class="node-body article-body">Because tactical operations centers act as nodes in the MEADS network, a commander can dynamically add or subtract elements without shutting the entire system down. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/update-meads-radar-performs-360-deg-rotation-missile-tracking" target="_blank">read more</a></p> http://mwrf.com/systems/update-meads-radar-performs-360-deg-rotation-missile-tracking#comments News Defense Systems Tue, 30 Sep 2014 19:14:00 +0000 20011 at http://mwrf.com <p>The MFCR is an X-band, solid-state, phased array radar using element-level transmit/receive modules. (Photo courtesy of Meads-amd.com.)</p> GaN MMIC Switch Controls 100-W Pulses http://mwrf.com/triquint-semiconductor/gan-mmic-switch-controls-100-w-pulses <div class="field-deck"> This low-loss GaN-on-SiC SPDT switch can handle signals from 500 MHz to 6 GHz, both at CW power levels to 40 W and pulsed power levels to 100 W. </div> <div class="node-body article-body">This surface-mount GaN-based SPDT switch handles as much as 40 W CW power and 100 W pulsed power from 0.5 to 6.0 GHz. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/triquint-semiconductor/gan-mmic-switch-controls-100-w-pulses" target="_blank">read more</a></p> http://mwrf.com/triquint-semiconductor/gan-mmic-switch-controls-100-w-pulses#comments TriQuint Semiconductor Analog semiconductors Commercial Defense Industrial Fri, 26 Sep 2014 20:05:00 +0000 28741 at http://mwrf.com