A novel integrated DPDT and 3-way active splitter with a unique unpowered loop through state for broadband applications

A GaAs MMIC consisting of a switchable three way active splitter with a novel unpowered default on loop through path targeted for ENERGY STAR rated CATV broadband systems is presented. The part exhibits 3.0 dB gain, 4.5 dB noise figure, and low distortion on each of the three outputs across the 50 to 1000 MHz band under normal operation. When the part is unpowered, the loop through is maintained via an isolated low insertion loss default on path. The MMIC is fabricated on a 0.5 um GaAs E/D pHEMT process and mounted in a lead free power quad flat no lead, PQFN, plastic package.