The QTV711 from Q-Tech Corporation is a VCXO with Frequency 2 to 90 MHz, Frequency Stability ±0.3 ppm, Temperature Stability ±25 to ±65 ppm, Supply Voltage 3.135 to 5.25 V, Tuning Voltage 0.5 to 6 V. Tags: Flatpack. More details for QTV711 can be seen below.