Development of low cost, high stability and small size ocxo

Design of 30 MHz ocxo is presented, which is with some typical features:high temperature stability (¿±5 × 10 - 8, -40°C~70°C), short warm-up time (getting into frequency difference¿±5 × 10 - 8 after 3 minutes from turning on at room temperature), small package size (20 mm × 20 mm × 13 mm), and low cost (AT-cut).