BFP405F RF Transistor as Low Cost, Low Current (2.5mA) 3 to 4 GHz UWB Tx Amplifier with 2.2 - 3.6V Operation. The BFP405F SIEGET RF Transistor in TSFP-4 package is shown in a low-cost transmit amplifier circuit suitable for 3 to 4 GHz Ultra Wideband (UWB) applications
