[time-nuts] FTS Datum 1000A-100

Steve Rooke sar10538 at gmail.com
Thu Jan 15 20:30:03 UTC 2009


2009/1/16 Bruce Griffiths <bruce.griffiths at xtra.co.nz>:
> 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.

Well, IMHO, it's not worth the risk of opening the thing up instead of
just putting in a regulator to supply the heater.

73, Steve
-- 
Steve Rooke - ZL3TUV & G8KVD & JAKDTTNW
Omnium finis imminet



More information about the time-nuts mailing list