[time-nuts] Upgrading old Thunderbolt?

2010-09-24 Thread David Martindale
Suppose I have an old Thunderbolt that works, but has the old Piezo OCXO. Is it feasible to upgrade it in place by obtaining one of the newer Trimble oscillators from somewhere (or something equally good that fits mechanically)? Does the Trimble OCXO need different operating parameters than the

Re: [time-nuts] Upgrading old Thunderbolt?

2010-09-24 Thread Bob Camp
Hi The new-er ocxo's are available on the e place for about $50. Replacement tbolts are $60 to$120 on the same site. The ocxo's all look like they will swap with each other. Bob On Sep 24, 2010, at 3:49 PM, David Martindale dave.martind...@gmail.com wrote: Suppose I have an old

[time-nuts] Upgrading old Thunderbolt?

2010-09-24 Thread Arthur Dent
If you're planning on a pin for pin replacement that fits inside the package, I would be careful and make sure that any replacement Trimble OCXO has the part number 37265 on it.  -Arthur ___ time-nuts mailing list -- time-nuts@febo.com

Re: [time-nuts] Upgrading old Thunderbolt?

2010-09-24 Thread Pete Rawson
The OXCOs are identical on the schematic, but pinout patterns vary. At least mine did, which can be cobbled around, but not fun. Pete Rawson On Sep 24, 2010, at 6:18 PM, Bob Camp wrote: Hi The new-er ocxo's are available on the e place for about $50. Replacement tbolts are $60 to$120 on

Re: [time-nuts] Upgrading old Thunderbolt?

2010-09-24 Thread Rex
On 9/24/2010 5:15 PM, WarrenS wrote: David It would be worth while to first see what is wrong, if anything, with what you now have. Too logical. This could stall two country's economies. Why measure actual performance of your current model when you can take input from others to learn you