The APH631 from Northrop Grumman Corporation is a RF Amplifier with Frequency 92 to 96 GHz, Gain 20 to 23 dB (Linear), P1dB 0.032 W, Saturated Power 0.631 W, Input Return Loss 7 dB. Tags: Die, Power Amplifier, Driver Amplifier. More details for APH631 can be seen below.