The HMC835 from Analog Devices is a Phase Locked Loop with Frequency 33 MHz to 4.1 GHz, Phase Noise -171 to -78 dBc/Hz, Output Power 5 dBm, Harmonic Suppression -39 to -10 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Fractional-N PLL. More details for HMC835 can be seen below.