The ADF4106 from Analog Devices is a Frequency Synthesizer with Frequency 500 MHz to 6 GHz, Reference Frequency 20 to 300 MHz, Supply Voltage 3.3 V, Current 13 mA, Phase Noise -92.5 to -76.5 dBc/Hz. Tags: Surface Mount, PLL Frequency Synthesizer. More details for ADF4106 can be seen below.