LNAs Improve GPS Signal Reception


RFMW announces design and sales support for two new global navigation low-noise amplifiers (LNAs) from Skyworks Solutions. Target applications of the SKY65605-21 and SKY65611-11 include products that integrate GNSS functionality such as personal navigation devices, wearables, machine to machine (M2M) systems, base stations, asset tracking instruments and professional radios.

The SKY65605-21 and SKY65611-11 are both designed for BeiDou/GPS/GLONASS/Galileo receiver applications and are optimized to operate from 1559 to 1606MHz. Improving GPS system sensitivity, external LNAs overcome filter losses and provide faster first fix time. The devices integrate all output matching components, thereby requiring only a single external input matching component.

Both devices deliver high linearity and Noise Figure (NF) of 0.65dB. The SKY65605-21 offers 18dB of gain while the SKY65611-11 offers 16.5dB. The SKY65605-21 comes in a 0.7 x 1.1 x 0.55 mm package and the SKY65611-11 in a 1.1 x 0.9 x 0.45mm package.

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