The MW500-1523 from Mercury Systems is a Voltage Controlled Oscillator with Frequency 600 to 750 MHz, Tuning Voltage 0.5 to 18 V, Pulling 8 MHz, Pushing 5 MHz/V, Phase Noise -101 dBc/Hz @ 10 kHz. Tags: Surface Mount. More details for MW500-1523 can be seen below.