[time-nuts] FE-5680A tear down on Youtube

[paul swed]

same conclusion I made that it was a heater and insulation.
But at least it was a good video
Regards
Paul

On Fri, Jan 13, 2012 at 12:50 PM, Bob Camp <lists at rtty.us> wrote:

> Hi
>
> Interesting videos.
>
> Answers to a couple of the questions he asks in the tear down video:
>
> The foam is there as thermal insulation. It's not for mechanical support.
>
> The gizmo on top of the crystal is a rapid transition thermistor. The
> Russians came up with them for use in OCXO's back in the 1970's. It's there
> to heat the VCXO crystal, sort of an OCXO.
>
> Bob
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of lists
> Sent: Friday, January 13, 2012 4:09 AM
> To: time-nuts at febo.com
> Subject: [time-nuts] FE-5680A tear down on Youtube
>
> Hi,
>
> This is my first post to the list, but I have been a long time reader and
> found it extremely interesting and informative.
>
> I think you guys might find this interesting.. Its a video of a FE-5680A
> being dissembled on Youtube.
> I had noticed that within hours of the video being published 14 of the
> cheaper 5680A's were sold! as the producer of the video (not me) has over
> 14,800 subscribers,
> my thoughts are that this may have some effect on the used FE-5680A price
> or
> even advanced depletion of the stock.. I'm glad mines on the boat already.
>
> The tear down:
> http://www.youtube.com/watch?v=FRdGsSu5Nec
>
> The "theory" of operation:
> http://www.youtube.com/watch?v=I55uLRRvLCU
>
> Sam.
>
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