The HMC1034LP6GE from Analog Devices is a Phase Locked Loop with Frequency 0.125 to 3 GHz, Phase Noise -153 to -143 dBc/Hz, Operating Temperature -40 to 85 Degree C, Phase Noise at 1 KHz -143 dBc/Hz, Phase Noise at 10 KHz -150 dBc/Hz. Tags: Surface Mount, Integer-N PLL, Fractional-N PLL. More details for HMC1034LP6GE can be seen below.