Issue: 04 Date: 2008-04-04 Specification AXIOM20S Oscillator type : OCXO in DIL14 package with Stratum III stability Parameter Frequency range Standard frequencies Frequency stability Initial tolerance vs. temperature in operating temperature range operating temperature range min. typ. max. Unit MHz MHz ppm ppb ppb °C °C °C ppb ppb ppm ppb ppm ppm ppm ppm ppm Condition 10 20 12.8 / 16.384 / 19.44 / 20.0 ± 500 ± 280 0 -20 -40 ± 10 ± 10 ± 0.37 ± 40 ± 0.8 ± 3.5 ± 4.6 70 70 85 @+25°C steady s.