[time-nuts] 5MHz ocxo

Ed Palmer ed_palmer at sasktel.net
Thu Jul 26 03:27:49 UTC 2012


I haven't heard of that trick before, but it sounds interesting.  What's 
the wattage of your soldering gun?

Ed


On 7/25/2012 6:41 PM, Ron Ward wrote:
> Hi:
> If you want to de-solder the case, I have had success taking some #12 or
> #14 bare copper wire ( standard solid conductor house-wiring stripped of
> the PVC insulation ) and wrapping it tightly around the base just above
> the soldered junction. The wire is installed in my soldering gun just
> like a new soldering gun tip. Add just a little solder to help in heat
> transfer. Be careful as it will get really hot. I hold the top with a
> weird set of very long needle nose pliers. They are small enough that
> they don't act like much of a heatsink. You could fabricate one out of
> wood. They would be disposable.
> I hope this helps,
> Ron
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of Paul Flinders
> Sent: Wednesday, July 25, 2012 2:59 PM
> To: Tom Miller; Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] 5MHz ocxo
>
> On 25/07/12 22:27, Tom Miller wrote:
>> Can you post up a few pictures of the oscillator?
>>
>> There have been people that have opened these up and repaired them. If
>> you feel not up to it, why not see if someone on this group can help.
>>
>> Repairing it will eliminate a lot of searching.
> Pictures at
>
> http://www.wild-pc.co.uk/images/P1000981.jpg
> http://www.wild-pc.co.uk/images/P1000982.jpg
> http://www.wild-pc.co.uk/images/P1000983.jpg
>
> Apologies for slightly poor quality.
>
> It's fully soldered at the base - possibly wasn't done in one go but I
> suspect would all have to be heated to get it apart - I have an SMD
> style hot air gun but it couldn't tackle that job.
>
> If anyone is able to repair it I'd certainly be interested.
>
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