The HMC1031 from Analog Devices is a Phase Locked Loop with Frequency 0.1 to 500 MHz, Phase Noise -254 to -204 dBc/Hz, Operating Temperature -40 to 85 Degree C, PLL Current 1.95 mA, PLL Voltage 2.7 to 3.5 V. Tags: Surface Mount, Integer-N PLL. More details for HMC1031 can be seen below.