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| Upgrading Counter 53220A to Option 010 Ultra High-stability OCXO Timebase? |
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| carl_lab:
Does anybody know, if you can buy the oscillator module as a spare part (P/N, cost?) and is it sufficient to swap the modules? Or is additional configuration change requided? |
| plesa:
It require new motherboard. You needs to replace 53220-66111 ($1808) with 53220-66112 ($1929). So external reference ( like use rubidium will be much cheaper ). Or open instrument and check what is missing. |
| carl_lab:
--- Quote from: plesa on November 17, 2016, 01:25:59 pm ---It require new motherboard. You needs to replace 53220-66111 ($1808) with 53220-66112 ($1929). --- End quote --- Thanks for your reply. That's not, what I expected. On old 53131A replacing the oscillator module did the job, nothing else required. On 53220A mainboard a standard 4-pin-quartz-oscillator is implemented (DIL footprint). But there is an additional empty footprint for a bigger oscillator module (19x19mm=3/4x3/4", 5 pins). So changing the module is a possible way to go? Any pictures of an Opt. 010 Ultra High-stability OCXO Timebase available? --- Quote from: plesa on November 17, 2016, 01:25:59 pm ---So external reference ( like use rubidium will be much cheaper ). --- End quote --- Do you know a "cheap" rubidium standard with calibration certificate? The counters will be installed in production ATE - not in the calibration lab, where an existing external frequency reference could be used. |
| plesa:
Try to contact Agilent, in manual they are no so strict and maybe they will populate the OCXO instead of board swap. Manual says : order 53200U-010. If you needs certificate I cannot help you. |
| HighVoltage:
I have a 53220A without OCXO and the drift was horrible but an upgrade was expensive. Actually, I got a 53230A with installed OCXO for less money than then upgrade of the 53220A. |
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