Nigel
Thanks for your information. The data given by Bert seems to be getting more
sensible, and I think you will agree that of all the items that have been
purchased and discussed on "Time-Nuts", this one is hands down for
confusion. One of the reasons for my trusting and buying from Bob (Fluke I)
is that he is well informed, , has good electronic knowledge and has always
provided good items of gear. It would seem that the number of Chinese
sellers has increased in the recent past and many of them would seem to have
little knowledge of the products and even less English to answer questions.
Again it would seem that if you buy the "cheapies" then you probably have
the basic, non programmable model. I guess the guys at FE are all falling
about when they see our predicament !
Roy
--------------------------------------------------
From: <[email protected]>
Sent: Sunday, January 08, 2012 3:49 PM
To: <[email protected]>
Subject: Re: [time-nuts] Ebay FE-5680A Rb: Connections and Features
Hi Roy
If your unit is generating an output as you report, without 5 volts to
pin
4, then I'd leave well alone.
On the current batches of cheaper units, that do require a 5 volt supply
to
pin 4, they won't lock or provide an output without it.
Removing that 5 volt supply from a unit that's already up and running, on
two that I've tested so far anyway, causes it to lose lock and the 10MHz
output collapses, which would seem to be a fairly strong indication that
on
these units it is needed:-)
regards
Nigel
GM8PZR
----------------
In a message dated 08/01/2012 12:57:57 GMT Standard Time,
[email protected] writes:
Somebody on the list has suggested that it could do damage
to this variant, to connect 5 volts to pin 4, to date I have not done
this,
Can any member confirm these details.
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