The CVS575S-500.000 from Crystek Corporation is a Voltage Controlled SAW Oscillator with Frequency 500 MHz, Output Power 7 dBm, APR(pullability) ±50 ppm, Supply Voltage 3.3 V, Control Voltage 0 to 3.3 V. Tags: Low Phase Noise. More details for CVS575S-500.000 can be seen below.