The ADF4151 from Analog Devices is a Phase Locked Loop with Frequency 0.5 to 3.5 GHZ, Phase Noise -221 to -115 dBc/Hz, Output Power 2 dBm, Operating Temperature -40 to 85 Degree C, PLL Current 2 to 50 mA. Tags: Surface Mount, Integer-N PLL, Fractional-N PLL, Dual Integer-N PLL. More details for ADF4151 can be seen below.