The HMC838LP6CE from Analog Devices is a Phase Locked Loop with Frequency 795 to 3780 MHz, Phase Noise -229 to -81 dBc/Hz, Output Power 4.5 to 12.5 dBm, Harmonic Suppression -57 to -24 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Fractional-N PLL, Integer-N PLL. More details for HMC838LP6CE can be seen below.