The MAX2870 from Analog Devices is a Phase Locked Loop with Frequency 23.5 MHz to 6 GHz, Phase Noise -143 to -71.5 dBc/Hz, Output Power -4 to 5 dBm, Harmonic Suppression 20 to 40 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Integer-N PLL, Fractional-N PLL. More details for MAX2870 can be seen below.