Technologies http://mwrf.com/taxonomy/term/6596/more en SPDT Switch Controls 20 GHz http://mwrf.com/analog-semiconductors/spdt-switch-controls-20-ghz <div class="node-body article-body">A SPDT switch operates from DC to 20 GHz with positive gain slope. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/analog-semiconductors/spdt-switch-controls-20-ghz" target="_blank">read more</a></p> http://mwrf.com/analog-semiconductors/spdt-switch-controls-20-ghz#comments Analog semiconductors Commercial Defense Industrial Tue, 25 Nov 2014 16:02:00 +0000 29951 at http://mwrf.com Power Amplifiers Boost 0.8 to 9.5 GHz http://mwrf.com/active-components/power-amplifiers-boost-08-95-ghz <div class="node-body article-body">A line of GaAs PHEMT power amplifiers provide as much as 30 dB gain from 0.8 to 9.5 GHz. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/power-amplifiers-boost-08-95-ghz" target="_blank">read more</a></p> http://mwrf.com/active-components/power-amplifiers-boost-08-95-ghz#comments Active components Commercial Defense Industrial Tue, 25 Nov 2014 15:56:00 +0000 29961 at http://mwrf.com Coupler Directs 12.4 to 18.0 GHz http://mwrf.com/passive-components/coupler-directs-124-180-ghz <div class="node-body article-body">A coaxial directional coupler with 6-dB nominal coupling serves a wide range of uses from 12.4 to 18.0 GHz.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/coupler-directs-124-180-ghz" target="_blank">read more</a></p> http://mwrf.com/passive-components/coupler-directs-124-180-ghz#comments Commercial Defense Industrial Passive components Mon, 24 Nov 2014 21:33:00 +0000 29971 at http://mwrf.com Adapter Shrinks PMI Levels http://mwrf.com/passive-components/adapter-shrinks-pmi-levels <div class="node-body article-body">A 4.1/9.5 (mini) DIN female-to-female adapter features low passive intermodulation (PIM) distortion. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/adapter-shrinks-pmi-levels" target="_blank">read more</a></p> http://mwrf.com/passive-components/adapter-shrinks-pmi-levels#comments Commercial Industrial Passive components Mon, 24 Nov 2014 21:02:00 +0000 29981 at http://mwrf.com Sorting through Balun Confusion http://mwrf.com/contributors/sorting-through-balun-confusion <div class="node-body article-body">When reading on the Internet about baluns, a distinction that will often come up is "current" baluns versus "voltage" baluns. I've always found this distinction confusing, because an electromagnetic wave converted by a balun from differential to unbalanced modes consists of both current and voltage waves. </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/contributors/sorting-through-balun-confusion" target="_blank">read more</a></p> http://mwrf.com/contributors/sorting-through-balun-confusion#comments Contributors Test & Measurement Mon, 24 Nov 2014 19:13:00 +0000 29931 at http://mwrf.com Low-Noise VCO Runs on Low Voltage http://mwrf.com/active-components/low-noise-vco-runs-low-voltage <div class="field-byline"> Chunhua Wang and Jianqun Ding </div> <div class="field-deck"> This quadrature PMOS Colpitts VCO requires very little power for stable, low-phase-noise operation at 2.4 GHz. </div> <div class="node-body article-body">A novel PMOS Colpitts quadrature voltage-controlled oscillator offers low phase noise for extremely low power consumption. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/low-noise-vco-runs-low-voltage" target="_blank">read more</a></p> http://mwrf.com/active-components/low-noise-vco-runs-low-voltage#comments Active components Commercial Industrial Mon, 24 Nov 2014 17:46:00 +0000 29901 at http://mwrf.com Bandpass Filter Combines High Selectivity, Rejection http://mwrf.com/passive-components/bandpass-filter-combines-high-selectivity-rejection <div class="field-byline"> Bo Zhang, S.S. Li, and J.-M. Huang </div> <div class="field-deck"> By using a stepped-impedance stub-loaded multimode resonator, this compact wideband filter achieves both high selectivity and good out-of-band rejection. </div> <div class="node-body article-body">A compact wideband filter using a stepped-impedance stub-loaded multimode resonator delivers both high selectivity and good out-of-band rejection.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/bandpass-filter-combines-high-selectivity-rejection" target="_blank">read more</a></p> http://mwrf.com/passive-components/bandpass-filter-combines-high-selectivity-rejection#comments Commercial Industrial Passive components Sat, 22 Nov 2014 22:05:00 +0000 29891 at http://mwrf.com Automate RF Matrix Switching for Wireless Test http://mwrf.com/test-measurement/automate-rf-matrix-switching-wireless-test <div class="node-body article-body">The automation of RF test systems—especially for the verification testing of wireless handsets and network devices—promises to save time while improving accuracy for common repetitive test configurations. RF switching matrix devices could be a critical aspect in improving the reliability factor of these setups.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement/automate-rf-matrix-switching-wireless-test" target="_blank">read more</a></p> http://mwrf.com/test-measurement/automate-rf-matrix-switching-wireless-test#comments Commercial Systems Test & Measurement Fri, 21 Nov 2014 20:59:00 +0000 29871 at http://mwrf.com <p>Cell-tower handoff testing is performed using a shielded chamber that precisely injects the signals of an emulated handoff scenario.</p> For Long-Range Communications, Is Narrowband “It”? http://mwrf.com/active-components/long-range-communications-narrowband-it <div class="node-body article-body">For reliable and efficient long-range RF communications, narrowband systems may be a prime choice. A comparison of spectral efficiency, coexistence, and battery lifetime between narrowband communications and coding-gain techniques could demonstrate narrowband technique’s superiority for certain applications.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/long-range-communications-narrowband-it" target="_blank">read more</a></p> http://mwrf.com/active-components/long-range-communications-narrowband-it#comments Active components Commercial Defense Systems Fri, 21 Nov 2014 20:34:00 +0000 29881 at http://mwrf.com Poster: Worldwide Spectrum Allocations http://mwrf.com/test-measurement/poster-worldwide-spectrum-allocations <div class="field-deck"> Sponsored by: Tektronix </div> <div class="node-body article-body">Keeping track and updated on the latest frequency allocations isn’t easy, so we’ve compiled the information into an easy-to-view poster.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement/poster-worldwide-spectrum-allocations" target="_blank">read more</a></p> http://mwrf.com/test-measurement/poster-worldwide-spectrum-allocations#comments Test & Measurement Test & Measurement - analyzers White Paper Fri, 21 Nov 2014 16:41:00 +0000 29861 at http://mwrf.com