NJG1540JA3 Overview
NJG1540JA3 is a 5x10 antenna switch IC for 800MHz and 1.5GHz dual band digital cellular phone. The 7 bits parallel control signal controls RF paths between 800MHz T/R or 1.5GHz T/R circuits and internal two antennas or external two antennas. The termination ports to improve interference between diversity antennas with external matching circuits are equipped.