[time-nuts] 8566B with Ovenaire 10Mhz oven.

Pete Lancashire pete at petelancashire.com
Wed May 29 08:06:59 EDT 2013


Marc,

Run your question by the Yahoo HP-Agilent group

-pete

On 5/29/13, Mark C. Stephens <marks at non-stop.com.au> wrote:
> I have recently obtained the holy grail for me - an 8566B.
> They are rare as hens teeth in Australia!
>
> I have a 8568B as well and my phase noise floor is somewhere way down there
> on that machine ;)
>
> However it appears the internal 10Mhz reference had died on the new (old)
> 8566B.
>
> I haven't room on the bench due to 5 things going at once so I ran it up on
> the kitchen table for the benefit of the kids - they are going to inherit
> all this junk I guess :p
>
> I didn't plug an external standard in to check the rest of circuitry because
> that's down in the workshop.
> Perhaps I need a house standard output in the lounge? ;)
>
> Hmm Anyway, did some quick checks and I think the voltages are all there,
> but my manual has the 10811 oven assembly which the Pin outs are completely
> different.
>
> Anyone spied a 8566B manual with the Ovenaire OSC-49-61C connections?
> Or even just the connections so  I can work on the Ovenaire on the bench.
>
> The output has a 10Mhz SMB on the right side and a row of six feed through
> caps on the left.
> Bottom to top
>
> 1.       Black
>
> 2.       Orange
>
> 3.       Purple
>
> 4.       Red
>
> 5.       Black
>
> 6.       Linked to pin 5.
>
> I guess It won't be too hard to work out by tracing the circuit but I like
> to leave the innards of these things undisturbed as much as possible.
>
>
> Cheers,
> -marki
>
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