Peregrine Semiconductor has expanded its investment in Agilent Technologies’ RFIC design tools. Peregrine currently is a user of Agilent’s RFIC tools, including its Advanced Design System Dynamic Link and RF Design Environment circuit simulation tools, Ptolemy system design simulator, wireless test benches and electromagnetic simulation tools for advanced RFIC designs such as RF digital step attenuators, PLL frequency synthesizers, passive mixers and prescalers, according to Agilent.