The CHA7452-99F from United Monolithic Semiconductors is a RF Amplifier with Frequency 35.5 to 40.5 GHz, Gain 29 dB (Linear), Saturated Power 8.91 W, PAE 24%, Supply Voltage 20 V. Tags: Die, Chip, Power Amplifier. More details for CHA7452-99F can be seen below.