[time-nuts] FTS Datum 1000A-100

Bruce Griffiths bruce.griffiths at xtra.co.nz
Thu Jan 15 15:22:30 EST 2009


Steve Rooke wrote:
> 2009/1/16 Bruce Griffiths <bruce.griffiths at xtra.co.nz>:
>   
>> Corby Dawson wrote:
>>     
>>> Thanks Bruce.
>>>
>>> Actually the +15VDC is the oven supply and the +24VDC is the electronics
>>> supply, kindof surprised me!
>>>
>>> Corby Dawson
>>>
>>>       
>> Corby
>>
>> The only way to find out more is to open up the package and trace the
>> circuitry as Magnus has done for an FTS1200A.
>> However if you do this you may well need to replace the foam plastic
>> (urethane?) insulation used in addition to the vaccum insulated flask.
>>     
>
> Or you could just connect the 24V supply and see if you get the clock
> out, and vice versa. This is certainly a lot easier and less
> destructive than taking the thing apart to find out which supply is
> which surely.
>
>   
>> Bruce
>>
>>     
Steve

The oven and oscillator buffer supplies are already known.

In the absence of specifications,  some details of the circuitry are
required to get some idea of the power supply limits.

Bruce




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