This application note provides general information, print layout and list of used components, circuit layout and measured data of a medium power amplifier at 1.9GHz using Siemens SIEGET® BFP450. The emphasis has been on high IP3out-values. Data at 1.9 GHz (3V and 68mA): Gain=13.5 dB / IP3out=30dBm / NF=2.7dB /RLin-out >10dB