Am 17.08.2016 um 14:12 schrieb snipped-for-privacy@t-online.de:
OCXO des HP5245L: 3x10^-9/d
Quelle: HP5245L Service Manual:
"Stability: Aging Rate - less than 3 parts in 10^9 per 24 hours. ** As a Function of Temperature:
As a Function of Line Voltage: less than +/- 5 parts in 10^10 for +/- 10% change in line voltage from 115v or 230 v rms. Short Term - less than 2 parts in 10^10 rms with measurement averaging time of one second under constant environmental and line voltage conditions."
Bernd