Markets http://mwrf.com/taxonomy/term/6603/more en 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 Mitigate Distortions in Software-Defined Wideband Receivers http://mwrf.com/test-measurement-analyzers/mitigate-distortions-software-defined-wideband-receivers <div class="node-body article-body">To limit the effects of wideband nonlinear distortion on direct-conversion receivers, researchers in Finland and Germany have developed a method using a digital feed-forward algorithm for distortion mitigation. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement-analyzers/mitigate-distortions-software-defined-wideband-receivers" target="_blank">read more</a></p> http://mwrf.com/test-measurement-analyzers/mitigate-distortions-software-defined-wideband-receivers#comments Commercial Test & Measurement - analyzers Test & Measurement - generators Fri, 21 Nov 2014 16:00:00 +0000 29841 at http://mwrf.com Why Measure a Microwave Device at Low Frequencies? http://mwrf.com/test-measurement-analyzers/why-measure-microwave-device-low-frequencies <div class="node-body article-body">Characterizing a microwave power amplifier or oscillator at low frequency can enable the modeling of nonlinear and noise parameters, which would be masked in traditional characterization measurements.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/test-measurement-analyzers/why-measure-microwave-device-low-frequencies" target="_blank">read more</a></p> http://mwrf.com/test-measurement-analyzers/why-measure-microwave-device-low-frequencies#comments Commercial Test & Measurement - analyzers Test & Measurement - generators Fri, 21 Nov 2014 15:46:00 +0000 29821 at http://mwrf.com DARPA Advances Microwave Photonics http://mwrf.com/systems/darpa-advances-microwave-photonics <div class="node-body article-body">DARPA-funded research efforts have led to many discoveries and advancements in microwave-photonic components, such as electro-optic modulators, high-power photodiodes, low-noise laser diodes, and microwave photonic link configurations. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/darpa-advances-microwave-photonics" target="_blank">read more</a></p> http://mwrf.com/systems/darpa-advances-microwave-photonics#comments Commercial Defense Systems Fri, 21 Nov 2014 15:10:00 +0000 29831 at http://mwrf.com GaN Powers Amp Modules http://mwrf.com/active-components/gan-powers-amp-modules <div class="node-body article-body">A pair of power amplifier modules based on GaN technology provide a choice of 20 or 50 W output power from 6 to 18 GHz. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/gan-powers-amp-modules" target="_blank">read more</a></p> http://mwrf.com/active-components/gan-powers-amp-modules#comments Active components Commercial Defense Industrial Tue, 18 Nov 2014 22:01:00 +0000 29811 at http://mwrf.com PIN-Diode Limiter Protects Receiver LNAs http://mwrf.com/passive-components/pin-diode-limiter-protects-receiver-lnas <div class="node-body article-body">A PIN diode limiter provides passive protection for receivers and their front ends from 0.2 to 4.0 GHz. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/pin-diode-limiter-protects-receiver-lnas" target="_blank">read more</a></p> http://mwrf.com/passive-components/pin-diode-limiter-protects-receiver-lnas#comments Skyworks Commercial Defense Industrial Passive components Tue, 18 Nov 2014 21:41:00 +0000 29801 at http://mwrf.com 9 IoT-Enabling RF Transceivers http://mwrf.com/active-components/9-iot-enabling-rf-transceivers <div class="field-deck"> As the electronics industry looks for ways to implant intelligent wireless interfaces/controllers in everything, many RF companies have already developed low-power, low-cost, and compact transceivers to help realize that future. </div> <div class="node-body article-body">One of the greatest limiting factors in a small-form-factor and low-power design is the transceiver. Using some of the innate benefits of Internet of Things system requirements, engineers have developed ever-smaller and more capable systems-on-a-chip to enable sophisticated wireless control/communication. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/9-iot-enabling-rf-transceivers" target="_blank">read more</a></p> http://mwrf.com/active-components/9-iot-enabling-rf-transceivers#comments Active components Commercial Industrial Tue, 18 Nov 2014 21:00:00 +0000 29781 at http://mwrf.com Interview: Philip Sorrells, CommScope’s Vice President of Strategic Marketing http://mwrf.com/semiconductors/interview-philip-sorrells-commscope-s-vice-president-strategic-marketing <div class="node-body article-body">CommScope’s Philip Sorrells discusses the technologies and challenges of greatest importance to the wireless-infrastructure industry.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/semiconductors/interview-philip-sorrells-commscope-s-vice-president-strategic-marketing" target="_blank">read more</a></p> http://mwrf.com/semiconductors/interview-philip-sorrells-commscope-s-vice-president-strategic-marketing#comments Commercial Interviews Semiconductors Mon, 17 Nov 2014 22:05:00 +0000 29761 at http://mwrf.com