1-3 GHz MMIC amplifier design for transmit/receive applications

Abstract

A PHEMT-based MMIC amplifier to be used as a gain block for transmit and receive circuits was designed using Libra series IV CAD based on the GMMT H40 process library. The simulated S-parameters show very good amplifier performance as required by the specification in the frequency band of 1-3 GHz. The input and output return loss are less than -15 dB, gain is 17 dB and noise figure is less than 2.8 dB. After simulation and optimization, the schematic circuit was translated into a layout pattern with a die size of 1.3 mm/spl times/1.4 mm.