The CV57L from Crescent Frequency is a voltage controlled crystal oscillator(VCXO) which operates from 19 MHz to 300 MHz. It has a defferential LVDS output waveform and requires a supply voltage of 2.5 or 3.3 V. It has a stability of 20 ppm, 25 ppm, 50 ppm or 100 ppm and a linearity of 10%, 15% or 20%. The CV57L is available as a 6 Pad ceramic, surface mount vcxo which measures 5 x 7 mm.