The HMC680LP4E is a high linearity, CMOS/ TTL compatible digitally controlled variable gain amplifier (DVGA) which operates from 30 to 400 MHz, and can be programmed to provide from -4 dB to 19 dB of gain, in 1 dB steps. The HMC680LP4E is housed in a 4x4 mm QFN leadless package and delivers noise figure of 5 dB in its maximum gain state.