RTC5639 Overview
The RTC5639 is a RF front-end module (FEM) with transmit/receive chain for 802.11a/n/ac WLAN applications. The device consists of a power amplifier (PA) with power detector, a low-pass filter (LPF) for harmonic rejection, a T/R switch and an RX low-noise amplifier (LNA) with bypass mode. The antenna port are switched between transmit and receive.