The HMC834 from Analog Devices is a Frequency Synthesizer with Frequency 45 MHz to 4.2 GHz, Reference Frequency 350 MHz, Output Power 2 dBm, Supply Voltage 3.3 to 5 V, Current 190 mA. Tags: Surface Mount, PLL Frequency Synthesizer. More details for HMC834 can be seen below.
