Jim Miller schrieb: >> i have a problem with my HP10811 ocxo. I connected it properly to 24V, 12V >> and to my counter to measure its frequency. The measured frequency is 10.887 >> MHz, but it should be 10MHz (also noted on the 10811). A 5MHz tcxo is >> measured correctly, so i think the counter is okay. Can anyone help me ? > > There is a thermal fuse on the oven control board which sometimes > blows due to age, or it vibrates out, or otherwise fails. This causes > the oven to not operate and the unit is guaranteed to be off frequency > by a large amount.
Wow, it's interesting to see what "large amount" means to different folks. To some, it's a few parts per billion. To others, it's nearly 10% (umm, ninety million parts per billion). Tim. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
