[time-nuts] Racal 9475 Rubidium

Paul Bicknell paul at bicknells.f2s.com
Thu May 3 13:35:33 EDT 2018


Hi Dan 
Regarding a photographs of the back of your 9475 as my unit dues not have a
heat sing and it is serial number  B002 so your offer would be useful

Regards Paul B

-----Original Message-----
From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Dan Rae
Sent: 03 May 2018 16:38
To: time-nuts at febo.com
Subject: Re: [time-nuts] Racal 9475 Rubidium

On 5/3/2018 7:38 AM, Adrian Godwin wrote:
> What sort of heatsink does it need ? Do you need the original part or
would
> a lightly-machined generic module do ?
>
At the time, at least in the UK, it was a very common extrusion, often 
used for power supplies etc., and in fact I see two on the back of big 
Astron supplies under my bench.  I had some in my "junk box" that even 
had the mounting holes in the correct places.   If anyone needs it I can 
take photographs of the back of my 9475 with the heatsink fitted.

Dan
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