Issue: 05 Date: 2009-04-02 Specification AXIOM40 Oscillator type : OCXO high stability, HCMOS Output Parameter Frequency range Standard frequencies Frequency stability Initial tolerance vs. temperature in operating temperature range (steady state) min. typ. max. Unit MHz MHz ppm ppb ppb ppb ppb ppb ppb °C ppb ppb ppb/year ppb/year ppm ppm V kΩ Condition 5 40 10 / 16.384 / 20.000 ± 500 ± 100 ± 50 ± 25 ± 10 ± 5 +60 ±2 ±2 ± 200 ± 100 operating temperature range vs. supply voltage variation v.