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Articles Tagged with ''efficiency''

Skyworks introduces step-down regulator for multimode, multiband RF PAs

Skyworks Solutions Inc. introduces a step-down regulator with auto-bypass and low drop out that controls the operating voltage for multimode, multiband WDCMA or GSM/EDGE power amplifiers, delivering optimum efficiency for all operating states. Targeted for smartphones, mobile/cellular phones, wireless data cards and portable media devices, the SKY87000 integrates a bypass linear regulator that further improves system performance.


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Cree SiC MOSFETs revolutionize HEV/EV power converters

Cree Inc. announces that Shinry Technologies, a premier high-tech enterprise focused on energy efficient applications in transportation and lighting, employed Cree’s 1200V C2M family of SiC MOSFETs in its new, high-efficiency, hybrid electric and electric vehicle (HEV/EV) power converters to achieve industry-leading 96 percent efficiency.  According to Shinry Technologies, Cree’s C2M SiC MOSFETS also enabled a 25 percent reduction in product size and reduced peak power losses by over 60 percent compared to the traditional silicon versions.


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Linear introduces 42 V, 4 A (IOUT), synchronous step-down silent switcher

Linear Technology Corp. announces the LT8614, a 4 A, 42 V input capable synchronous step-down switching regulator. A unique Silent Switcher™ architecture reduces EMI/EMC emissions by more than 20 dB, well below the CISPR 25 Class 5 limit. Even with switching frequencies in excess of 2 MHz, synchronous rectification delivers efficiency as high as 96% while Burst Mode® operation keeps quiescent current under 2.5 µA in no-load standby conditions.


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Agilent offers simplified power-added efficiency testing

If you are assessing the power conversion efficiency of your power amplifiers, you are probably making power-added efficiency (PAE) measurements. Most PAE test setups use multiple instruments – such as RF power meters, digital oscilloscopes and DC power analyzers – to calculate RF voltage and current measurements.


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AWR awards prizes to IMS 2013 student design contest winners

Software/EDA

AWR Corp. gifted its software to the winners of the High Efficiency Power Amplifier (HEPA) and Software Defined Radio (SDR) Student Design Contests offered at the IMS 2013. The gifts are part of the AWR University Program, which encourages students to become involved in the dynamic profession of microwave and RF engineering and to apply their knowledge to practical designs using the highly efficient AWR design methodology.


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NXP delivers industry's first ultra-wideband Doherty amplifiers

NXP Semiconductors N.V. announced the availability of its ultra-wideband Doherty reference design using the BLF884P and BLF884PS – the industry’s first wideband Doherty power amplifiers capable of broadband operation (470 to 806 MHz). The new 70W DVB-T LDMOS designs bring the high-efficiency gains of Doherty topologies to broadcast transmitters, using NXP’s patent-pending architecture capable of operating over an ultra-wideband spectrum.


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