The HMC835 from Analog Devices is a Frequency Synthesizer with Frequency 33 MHz to 4.1 GHz, Reference Frequency 350 MHz, Output Power 5 dBm, Supply Voltage 1.8 to 3.3 V, Current 210 mA. Tags: Surface Mount, PLL Frequency Synthesizer. More details for HMC835 can be seen below.