Profile: Peregrine Semiconductor Corp. specializes in offering switches, digital step attenuators, mixers/MOSFET quad array, prescalers, PLL frequency synthesizers and hi rel products. The UltraCMOS™ RF switches feature ESD tolerance, linearity, isolation and low insertion loss, providing an exceptionally rugged solution for wireless applications. Developed on the patented UltraCMOS silicon-on-sapphire process, these multi-throw switches deliver a combination of performance and monolithic integration. Our ultra-low phase noise PLL synthesizers include the integer-N family for demanding LMDS, MMDS, WLL and other base station systems, and our fractional-N family for handheld & mobile wireless devices. UltraCMOS technology allows monolithic integration for a variety of programming options including embedded field-programmable EEPROM capable of frequency synthesis up to 2.7 GHz and permanent store of control bits. We are an ISO 9001:2000 certified company.