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news digest ♦ RF Electronics


All matching components are fully integrated within the modules and the 50 Ω RF input and output pins are already internally AC-coupled. This makes the modules easy to use, as the only external parts required are DC supply bypass capacitors.


The series delivers optimum performance across a wide range of bands, with the ALM-11036 module covering 776-870 MHz, the ALM-11136 module covering 870-915 MHz, the ALM-11236 module covering 1710-1850 MHz and the ALM-11336 module covering 1850-1980 MHz. All the modules share the same compact 7.0 by 10.0 by 1.5 mm package and pin out configuration and are thus ideal for common platform designs.


The wireless infrastructure industry must provide optimum coverage with the best signal quality in a crowded spectrum. Receiver sensitivity is the most critical requirement in a BTS receiver’s design, and LNA selection greatly affects the receiver’s performance. For front-end design architectures with a bypass path, low noise figure and bypass insertion loss are the key design goals. Another key design factor is linearity, which affects the receiver’s ability to distinguish between wanted and spurious signals that are closely spaced. Input third-order intercept, IIP3, is used to specify linearity.


The MGA-63xP8 LNAs ship in a surface mount 8-lead QFN package, and are priced starting at $2.69 each in 10,000 piece quantities.


The ALM-11x36 LNA modules ship in a 36-lead MCOB package. The ALM-11036 modules are priced at $6.96 each in 10,000 piece quantities.


Samples and production quantities are available now through the Avago direct sales channel and via worldwide distribution partners.


RFMD InGaP HBTs target narrowband MMIC VCO market


The 14 new narrowband indium gallium phosphide VCOs cover the 7.2 - 15.1 GHz frequency range and target the growing point-to-point radio market.


RF Micro Devices, a designer and manufacturer 116 www.compoundsemiconductor.net October 2011


of high-performance radio frequency components has expanded its multi-market product portfolio to include the RFVC1831 — RFVC1844 family of MMIC voltage controlled oscillators (VCOs).


The 14 new narrowband VCOs feature RFMD’s InGaP HBT technology and are optimised for the point-to-point (P2P) radio market, with cellular backhaul the leading application. The VCOs are also suited for satellite communications, test & measurement, aerospace & defence, and other defence and commercial applications.


The P2P radio market is growing rapidly, as the proliferation of smartphones and the increasing demand for mobile data are forcing cellular operators to expand capacity in cellular backhaul networks. RFMD’s new narrowband MMIC VCOs satisfy operators’ capacity expansion requirements by delivering industry-leading phase noise performance and minimal power consumption. The VCOs also feature monolithic construction and exhibit superior performance related to temperature, shock, and vibration.


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