Avago Technologies has introduced a new compact GPS low noise amplifier (LNA) that integrates pre- and post high-rejection filters. The ALM-1812 provides a complete GPS RF front-end module for the 1,575 GHz frequency band and is housed in a miniature 4,5 x 2,2 x 1,0 mm MCOB package.
The integration of FBAR filtering enables it to reach more than 90 dBc of Cell/PCS-band rejection. Additionally, this LNA leverages Avago’s 0,25 μm GaAs enhancement-mode pHEMT process to deliver a 1,66 dB noise figure, 18,5 dB gain, and +2 dBm input third order intercept point (IIP3) at typical operating conditions of 2,7 V and 6 mA. The device also has a built-in shunt inductor at the RF input pin to enhance ESD production.
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