[time-nuts] FTS Datum 1000A-100

David C. Partridge david.partridge at dsl.pipex.com
Fri Jan 16 04:10:36 EST 2009


I think Mark was being ironic - i.e. he agrees with you.

D. 

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Magnus Danielson
Sent: 16 January 2009 09:05
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] FTS Datum 1000A-100

Mark Sims skrev:
> Ahhh, yes...  as the Great One once said:  If it jams,  force it.   If it
breaks,  it needed fixing anyway...

So my first attempt should be to apply 230 VAC directly, since if it fails
it needs fixing anyway...

Sorry. Broken logic. Try again.

This is one of the fields which that kind of reasoning DOES NOT APPLY. 
Overvoltage and overcurrent is things you need to know the limits for not to
cause a mess.

There are other things in which the logic may apply, but again, this is not
one of those. When having a component in your hand, the same kind of range
of allowed voltages etc. is not expected since it is expected that the box
that they go into will handle that as a complete design. If every component
would have huge overvoltage protection schemes they would be bulky and
overpriced.

Besides, I have been fairly successful at opening up things and reverse them
to the level that I know what levels I can use.

Cheers,
Magnus

> ------
> 
>>> 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.
>>>
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