The CVS575 from Crystek Corporation is a Voltage Controlled SAW Oscillator with Frequency 315 to 1000 MHz, Phase noise -151 to -110 dBc/Hz, APR(pullability) ±50 ppm, Supply Voltage 3 to 3.6 V, Control Voltage 0 to 3.3 V. Tags: Low Phase Noise. More details for CVS575 can be seen below.