SBAA621 March 2024 AFE20408
The AFE20408 simplifies the circuitry required to control PA biasing and power-up sequencing while adding many beneficial features such as PAVDD current and voltage monitoring, output switching, and PAVDD voltage control. The AFE20408 is able to output positive and negative voltages at the same time which allows the device to bias both GaN and LDMOS PAs. The flexibility of the output switching configuration makes this a great device for projects that require fast switching up to 400ns, while also providing options for additional biasing or slow switching. The AFE20408 provides a flexible, robust, board space efficient design for PA biasing in aerospace and defense, such as Radar and Electronic Warfare applications.