[time-nuts] Ebay FE-5680A Rb I see the price has gone up for these

Peter Gottlieb nerd at verizon.net
Tue Dec 20 10:55:34 EST 2011


Ebay 300638681652 is more like it.  Just add a 7805 to get your 5 volts.  For 
that kind of price it's almost cheaper to buy than to pay for gas plus time for 
me to go to my storage unit and grab one (maybe that's a lesson for what I 
should even save!).

In my intended application though, there is already +5 and +15 available.

Peter


On 12/20/2011 10:13 AM, Roy Phillips wrote:
>
>
> --------------------------------------------------
> From: "Rex" <rexa at sonic.net>
> Sent: Tuesday, December 20, 2011 1:10 PM
> To: "Discussion of precise time and frequency measurement" <time-nuts at febo.com>
> Subject: Re: [time-nuts] Ebay FE-5680A Rb I see the price has gone up for these
>
>> FWIW. I just hapened on this power supply in an ad. You might find a fixed 
>> voltage one somewhere cheaper, but the price seemed ok, so here it is for 
>> consideration...
>> http://www.mpja.com/email/12-13-11.asp?r=284759&s=2
>>
>> Still need the 5 V somehow, so not a complete solution for the 5680A.
>>
>>
>> On 12/19/2011 3:06 PM, GandalfG8 at aol.com wrote:
>>> In a message dated 19/12/2011 22:27:22 GMT Standard Time, caf at omen.com
>>> writes:
>>>
>>> This  thing requires plenty of current to get started.
>>> My Tek CPS250 1.2 amp  output (A+B parallel) only gets 7.5 volts.
>>> Now to scrounge something a bit  bigger.
>>> ---------------------
>>> The 15 volts to pin 1 starts off needing to supply around 1.7 Amps,
>>> eventually falling to somewhere between 700 and 800 mA.
>>>
>>> Pin 4 always draws around 85 to 90 mA from its 5 volt supply.
>>>
>>> regards
>>>
>>> Nigel
>>> GM8PZR
>>>
>>
>> Nigel
>    I trust that you are aware that some models of the FE-5680A only require 
> the 15 volt/1.7Amp. supply.   In fact connecting a 5 volt supply to the units 
> that are programmable can cause damage !
>    Roy
>
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