The GRF5508 from Guerrilla RF is a two-stage InGaP HBT Power Amplifier that operates from 800 to 900 MHz. It provides a small signal gain of 29.7 dB, has an output P1dB of 33.1 dBm and a noise figure of 4.5 dB. The amplifier is designed to deliver excellent P1dB, ACLR and IM3 performance. Its exceptional native linearity makes the amplifier an ideal choice for transmitter applications that typically do not employ digital predistortion correction schemes. The amplifier has a 50-ohm single-ended input and output impedance and is extremely resilient to mismatched loads. It operates over a DC supply of 5 V, consumes 195 mA of current and has digital shutdown feature.
The GRF5508 is available in a QFN-16 package that measures 3 x 3 mm and is ideal for use in cellular boosters/repeaters, automotive compensators, picocells/femtocells, cellular DAS, customer premise equipment and other wireless infrastructure.
