The HMC733LC4B from Analog Devices is a Voltage Controlled Oscillator with Frequency 10000 to 20000 MHz, Power 1.99 to 1.99 mW, Tuning Voltage -0.25 to 23 V, Pulling 15 MHz pp, Pushing -90 MHz/V. Tags: Surface Mount. More details for HMC733LC4B can be seen below.