The DVGA1-242A+ is a 50 RF Digital Variable Gain Amplifier that offers an attenuation of 31.5 dB in 0.5 dB steps using a 6-bit serial interface attenuator and 30dB gain using a E-PHEMT amplifier. Step attenuator used in DVGA1-242A+ is produced using a unique combination of CMOS process on silicon, offering the performance of GaAs, with the advantages of conventional CMOS devices.