HMC542LP4 Overview
The HMC542LP4 & HMC542LP4E are broadband 6-bit GaAs IC digital attenuators with CMOS patible serial to parallel drivers in low cost leadless surface mount packages. This serial control digital attenuator incorporates off chip AC ground capacitors for near DC operation, making it suitable for a wide variety of RF and IF applications. Covering DC to 3.0 GHz, the insertion loss is less.