This application note describes a low noise amplifier at 1.9GHz using SIEMENSSIEGETâ25 BFP405. The design emphasis has been on achieving high outputintercept point. A circuit des cription, schematic, pcb layout and componentslist are shown below together with measured performance data.Data at 1.9 GHz (3V and 8.5mA):Gain=19.5 dB / IP3out=15dBm / NF=2.3dB / RLin-out >15dB
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