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Send til en ven   Udskriv21/2 2011 kl. 14:06
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WiMAX i fredelig sameksistens med andre radioteknologier

Ny linear forstærkermodul fra Avago Technologies sikrer, at WiMAX kan fungere sammen med andre radioer i kompakt, bærbart udstyr (in english)

Avago Technologies has announced a new linear power amplifier module  for mobile and fixed wireless data WiMAX applications that include WiFi and other cellular radios. The new MGA-22103 module features an aggressive gain shape that limits the noise injected into radio receivers co-located in the same device, enabling WiMAX to coexist with WiFi, GPS, PCS and other radios in handsets, tablets, USB dongles and other portable electronics.

The MGA-22103 linear power amplifier is cost-effective and meets industry-standard Spectral Emission Mask (SEM) tests operating at 3.3V. Covering a frequency range of 2.5 to 2.7 GHz, the power amplifier includes fully integrated RF matching. These features are integrated in a compact 3 mm by 3 mm by 1 mm package, allowing designers to achieve standards-compliant performance in space-constrained designs.

Leveraging Avago proprietary GaAs enhancement-mode pHEMT technology, the MGA-22103 module can be used for most high-linearity applications. With superior performance across a range of voltage and temperature levels, the module exhibits flat gain and good matching while providing linear power efficiency to meet stringent mask conditions.

The MGA-22103 module meets the IEEE 802.16 WiMAX mask at over 25 dBm power, with high gain of 35 dB across the band. Additionally, a low power mode allows operation at approximately 80 mA when only minimal power is required.

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