The ADF4355-3 from Analog Devices is a Phase Locked Loop with Frequency 51.565 MHz to 6.6 GHz, Phase Noise -223 to -107 dBc/Hz, Output Power 3 to 8 dBm, Operating Temperature -40 to 105 Degree C, PLL Current 1.5 to 75 mA. Tags: Surface Mount, Fractional-N PLL, Integer-N PLL. More details for ADF4355-3 can be seen below.