A Diode-based Wideband Reconfigurable Power Amplifier

A wideband reconfigurable power amplifier (PA) is presented, which consists of a diode-based wideband reconfigurable impedance matching network. The reconfigurable matching network can transfer different complex impedances to 50 Ohm load at different frequencies, in which the PIN diodes are used as the reconfigurable components. For demonstration, a wideband reconfigurable PA is designed at 1.7-2.7 GHz and 3.1-3.9 GHz to cover the frequency range of 4G and 5G. The simulation results indicate that the designed PA achieves 38.1-38.7 dBm output power and 53.1%-65% drain efficiency at the first band, while 37.1-38.9 dBm output power and 50.3%-64.5% drain efficiency at the second band.