The A3I20D040WN from NXP is an RF LDMOS amplifier that operates from from 1400 to 2200 MHz. This multi-stage structure provides 5 watts of power with an efficiency of 18.8% and a gain of over 30 dB. It requires a 28 V supply and covers all typical cellular base station modulation formats. The amplifier is matched to 50 ohms with DC blocking at the input and output ports. It is available in a surface mount plastic package. This amplifier is part of the 3rd Generation Airfast wideband RF LDMOS amplifier family.