This application note describes a low noise amplifier at 1.9GHz using SiemensSIEGETâ25 BFP405. The design emphasis has been on achieving a low noisefigure. A circuit des cription, schematic, pcb layout and components list areshown below together with measured performance data.Data at 1.9 GHz (3V and 4.8mA):Gain=16 dB / IP3out=8dBm / NF=1.6dB / RLin-out >10dB
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