At 03:37 AM 4/4/2010, yves usson wrote: >... the tests I ran gave a excellent V/OCT tracking from 16Hz up to 6.5kHz >(roughly 8 octaves) and then started to slightly degrade. >For thermal stability, I measured a deviation of 5 cents over 2 hours with >a room temperature change of 2.5°C. Thank you. From that I calculate a drift of 1100 ppm/K -- is that correct? Ian