The QPA9822 from Qorvo is a Linear Pre-Driver Amplifier that operates from 3.3 to 4.2 GHz. It provides a gain of 39 dB with a noise figure of 4.5 dB and has an output P1dB of 28 dBm. This amplifier is designed to handle wideband 5G NR instantaneous signal bandwidths, making it ideal for m-MIMO applications. It has external bias control capability for linearity optimization, a DC power shutdown feature and fast Enable/Disable for TDD operation. This amplifier requires a DC supply of 5 V and consumes 140 mA of current. It is available in a 16-pin SMT package that measures 3 x 3 mm and is ideal for 5G m-MIMO, mobile infrastructure, general purpose wireless and TDD/FDD system applications.
