Markets en Approach Trims Size Of Dipole Antennas <div class="field-byline"> B. Gong, L.S. Su, Q.R. Zheng, Y.Z. Yin, and X.S. Ren </div> <div class="field-deck"> Two short-circuited cylindrical covers can be added to a dipole antenna, reducing size and lowering resonant frequency without disrupting the radiation pattern. </div> <div class="node-body article-body">Inductive loading can help reduce the size of dipole antennas. </div> <div class="og_rss_groups"></div><p><a href="" target="_blank">read more</a></p> Commercial Defense Industrial Passive components Wed, 23 Apr 2014 20:09:00 +0000 24391 at Product Trends: Signal Generators Meet The Latest Standards Head-On <div class="field-deck"> Using the software control capability of the latest signal generators can lessen the impact of complexity stemming from modern modulation techniques and communications standards. </div> <div class="node-body article-body">Signal generators have had to advance beyond the tunable continuous-wave (CW) devices of the tube age to serve an industry that is densely packed with complex modulation and high-fidelity requirements.</div> <div class="og_rss_groups"></div><p><a href="" target="_blank">read more</a></p> Defense Software Test & Measurement - generators Mon, 21 Apr 2014 18:25:00 +0000 24461 at UWB Imaging Aids Breast Cancer Detection <div class="field-byline"> Xia Xiao, Qinwei Li, Li Xu, Hang Song, Liang Wang, School of Electronic Information Engineering, Tianjin University, Tianjin, Peoples&#039; Republic of China </div> <div class="node-body article-body">The use of a multiple-antenna array with UWB signals and signal-processing techniques to remove clutter noise helps to detect hidden breast cancer tumors. </div> <div class="og_rss_groups"></div><p><a href="" target="_blank">read more</a></p> Commercial Industrial Systems Mon, 21 Apr 2014 15:41:00 +0000 24451 at SiGe Amplifier Boosts 2 GHz <div class="node-body article-body">A SiGe BiCMOS amplifier provides high gain from 20 MHz to 2 GHz.</div> <div class="og_rss_groups"></div><p><a href="" target="_blank">read more</a></p> Analog semiconductors Commercial Fri, 18 Apr 2014 15:49:00 +0000 24401 at QAM Is Rising: 1024QAM And Beyond <div class="field-byline"> Dr. Habeeb Ur Rahman Mohammed </div> <div class="field-deck"> As demands for more voice, data, and video services rise, wireless communications networks must be configured to handle more complex levels of modulation. </div> <div class="node-body article-body">Higher modulation levels support more efficient communications, but require receivers with extremely low noise levels. </div> <div class="og_rss_groups"></div><p><a href="" target="_blank">read more</a></p> Commercial Defense Industrial Systems Wed, 16 Apr 2014 18:51:00 +0000 24351 at Correlate Handheld And Benchtop Measurements <div class="field-byline"> Tom Hoppin </div> <div class="field-deck"> High-frequency measurements made in the field on portable instruments are now consistent with measurements made on trusted, benchtop laboratory equipment. </div> <div class="node-body article-body">Correlating measurements made with portable instruments in the field and benchtop instruments in the laboratory helps verify the quality of those in-field measurements. </div> <div class="og_rss_groups"></div><p><a href="" target="_blank">read more</a></p> Agilent Technologies Commercial Defense Industrial Test & Measurement - analyzers Mon, 14 Apr 2014 13:44:00 +0000 24301 at Differential Drive Optimizes Active Mixers <div class="field-byline"> Qui Luu and Benjamin Sam </div> <div class="field-deck"> Differential drive can be used to optimize the performance of active mixers and in-phase/quadrature (I/Q) demodulators for broadband and reconfigurable radio receivers. </div> <div class="node-body article-body">A broadband balun is a useful component for creating a signal path for an active RF/microwave mixer.</div> <div class="og_rss_groups"></div><p><a href="" target="_blank">read more</a></p> Analog Devices Commercial Industrial Mixed-signal semiconductors Fri, 11 Apr 2014 20:23:00 +0000 24311 at Software-Defined-Radio Market Sees Increased Growth <div class="field-byline"> Sarah Mangiola </div> <div class="node-body article-body">Airborne, naval, and land-based software-defined-radios are expected to drive the market between now and 2020, growing at a CAGR of 11.4%. </div> <div class="og_rss_groups"></div><p><a href="" target="_blank">read more</a></p> News Defense Software Fri, 04 Apr 2014 20:01:00 +0000 24261 at Five Trends Shaping 802.11 WLANs <div class="field-byline"> Amal Ekbal </div> <div class="field-deck"> WLAN technology continues to expand and evolve, with this wireless technology supporting personal and enterprise applications and reaching millimeter-wave frequencies. </div> <div class="node-body article-body">The widespread acceptance and expansion of WLAN technology is expected to find homes even at millimeter-wave frequencies. </div> <div class="og_rss_groups"></div><p><a href="" target="_blank">read more</a></p> Commercial Systems Thu, 03 Apr 2014 18:11:00 +0000 23931 at LTE TDD Gains Mobile Momentum <div class="node-body article-body">Long Term Evolution (LTE) time division duplexing (TDD) has proven to be a viable solution for mobile demands—especially with the use of the 3.5-GHz spectrum band.</div> <div class="og_rss_groups"></div><p><a href="" target="_blank">read more</a></p> News Mobile Services Thu, 03 Apr 2014 14:56:00 +0000 24091 at