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Posts Tagged ‘OCXO’

Open source Agilent 53132A 53131A OCXO ultra high stability oven upgrade

Tuesday, July 24th, 2018

Gaurav Singh made an open source 53132A OCXO Ultra stability time base, that is available on github: While i was working with my own GPSDO project. i need to have a frequency counter with descent stability so purchased my self a Agilent 53132A which is a 12 digit frequency counter,...

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Posted in open source, PCBs | No Comments »

Fluke/Philips PM66xx frequency counter OCXO upgrade

Thursday, May 5th, 2016

Dan Watson documented on his blog an OCXO upgrade board he designed for the Fluke/Philips PM66xx line of frequency counters: My counter came with the standard XO timebase option, which has fairly poor specs for stability and drift. It is difficult to trim precisely with the single-turn trimmer capacitor on...

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Posted in open source | 3 Comments »

HP 5350B OCXO repair

Wednesday, July 2nd, 2014

Kerry Wong fixed his HP 5350B OCXO.  He documented the whole process on his blog: Last time, I did a teardown of an HP 5350B microwave counter. And as I mentioned in my teardown, the oven-controlled crystal oscillator (OCXO) did not appear to be working as the OVEN indicator would not...

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Posted in repair | 1 Comment »

DIY HP/Agilent 53131A 010 high stability timebase option

Wednesday, September 11th, 2013

Gerry Sweeney wrote a post on his blog detailing his DIY HP/Agilent 53131A 010 high stability timebase option: I decided to make a clone 010 option board for my counter using a second-hand OCXO bought from e-bay. I designed a PCB to get a professional finish as well as a reliable upgrade...

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Posted in DIY | No Comments »

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