Industrial http://mwrf.com/taxonomy/term/6606/more en 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 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 Retrodirective Array Fits Compact Designs http://mwrf.com/passive-components/retrodirective-array-fits-compact-designs <div class="field-byline"> Lei Chen, Chao Wang, Jian-Feng Yu, and Xiao-Wei Shi </div> <div class="field-deck"> This end-fire retrodirective array builds on a passive FET mixer to provide both receive and retransmit functions within an extremely compact structure. </div> <div class="node-body article-body">An end-fire retrodirective array provides receive and retransmit functions using a passive mixer. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/retrodirective-array-fits-compact-designs" target="_blank">read more</a></p> http://mwrf.com/passive-components/retrodirective-array-fits-compact-designs#comments Commercial Defense Industrial Passive components Mon, 17 Nov 2014 20:14:00 +0000 29561 at http://mwrf.com Single CDTA Powers Universal Bi-Quad Filter http://mwrf.com/passive-components/single-cdta-powers-universal-bi-quad-filter <div class="field-byline"> Hairong Lin and Chunhua Wang </div> <div class="field-deck"> A low-voltage current-differencing transconductance amplifier provides the basis for a relatively simple universal biquad filter. </div> <div class="node-body article-body">A current differencing transconductance amplifier serves as the basis for five different types of filters. </div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/passive-components/single-cdta-powers-universal-bi-quad-filter" target="_blank">read more</a></p> http://mwrf.com/passive-components/single-cdta-powers-universal-bi-quad-filter#comments Commercial Defense Industrial Passive components Mon, 17 Nov 2014 19:29:00 +0000 29551 at http://mwrf.com Algorithm Aids RFID Anti-Collision Success http://mwrf.com/systems/algorithm-aids-rfid-anti-collision-success <div class="field-byline"> Guihua Yang, Junchi Ma, Yukai Gao, Baohong Fu, and Chunmei Wu </div> <div class="field-deck"> This algorithm was developed to enhance the operation of RFID systems by properly identifying tags, even under spectrally dense conditions where collisions can occur. </div> <div class="node-body article-body">This algorithm combines several benefits to efficiently and effectively identify tags in RFID systems.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/algorithm-aids-rfid-anti-collision-success" target="_blank">read more</a></p> http://mwrf.com/systems/algorithm-aids-rfid-anti-collision-success#comments Commercial Defense Industrial Systems Mon, 17 Nov 2014 19:24:00 +0000 29541 at http://mwrf.com Amplifier Modules Boost 6 to 18 GHz http://mwrf.com/active-components/amplifier-modules-boost-6-18-ghz <div class="field-deck"> Based on traveling-wave tubes, these high-power amplifier modules can be used for continuous or pulsed signals across broad bandwidths at output-power levels to 200 W or more. </div> <div class="node-body article-body">A line of amplifiers based on traveling-wave tubes provides high output-power levels at microwave and millimeter-wave frequencies.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/active-components/amplifier-modules-boost-6-18-ghz" target="_blank">read more</a></p> http://mwrf.com/active-components/amplifier-modules-boost-6-18-ghz#comments Active components Commercial Defense Industrial Fri, 14 Nov 2014 21:16:00 +0000 29571 at http://mwrf.com Fabricate Low-Spurious PLL Synthesizers http://mwrf.com/systems/fabricate-low-spurious-pll-synthesizers <div class="field-byline"> Fang Rui, Qian Huan-Yu, and Wu Guo-An </div> <div class="field-deck"> An approach based on the use of variable reference frequencies helps improve the spurious noise performance of fractional phase-lock-loop frequency synthesizers. </div> <div class="node-body article-body">The use of an adjustable reference-frequency approach can help reduce the spurious noise in a fractional-N frequency synthesizer.</div> <div class="og_rss_groups"></div><p><a href="http://mwrf.com/systems/fabricate-low-spurious-pll-synthesizers" target="_blank">read more</a></p> http://mwrf.com/systems/fabricate-low-spurious-pll-synthesizers#comments Commercial Industrial Systems Mon, 10 Nov 2014 21:52:00 +0000 29511 at http://mwrf.com