The GRF5521 from Guerrilla RF is a Two-Stage InGaP HBT Power Amplifier that operates from 2.11 to 2.17 GHz. It delivers a linear output power of +23 dBm (up to 85°C) with 31 dB of gain. This amplifier is designed to deliver excellent P1dB, ACLR, and IM3 performance and has exceptional native linearity for transmitter applications that do not employ digital pre-distortion correction schemes. It requires a DC supply of 5 V and consumes 115 mA of current. The amplifier has flexible biasing that provides latitude for linearity optimization and also has a digital shutdown feature. It is available in a WFN-16 package that measures 3 x 3 mm and is ideal for cellular boosters/repeaters, automotive compensators, picocells/femtocells, cellular DAS, customer premise equipment, and wireless infrastructure applications.
