The ADF4219L from Analog Devices is a Phase Locked Loop with Frequency 0.8 to 2.2 GHz, Phase Noise -171 to -75 dBc/Hz, Operating Temperature -40 to 85 Degree C, PLL Current 0.6 to 10 mA, PLL Voltage 2.6 to 3.3 V. Tags: Surface Mount, Dual Fractional-N PLL, Integer-N PLL. More details for ADF4219L can be seen below.