The HMC577 from Analog Devices is a Frequency Multiplier with Input Frequency 13.5 to 15.5 GHz, Output Frequency 27 to 31 GHz, Input Power 5 to 6 dBm, Output Power 20 dBm, Phase Noise -128 dBc/Hz. Tags: Surface Mount, Active. More details for HMC577 can be seen below.